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Best Money Market Rates in Brookfield, Wisconsin (WI) - May 2026

Content reviewed by
Brian McKay Brian McKay
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Editorial Disclosure The rates displayed are actual, verified rates sourced directly from the official websites of banks and credit unions. Our editorial content is independent of any advertiser relationships.
| ✓Fact Checked | Last Updated: May 12, 2026

Current Brookfield, Wisconsin and the surrounding area money market deposit account rates include Landmark Credit UnionLandmark Credit Union13600 W Greenfield Ave, Brookfield, WI 53005A+5.0 ★Texas Ratio: 3.95% Signature Business Money Market at 3.00% APY, WaterStone BankWaterStone Bank21505 Us 18 E, Brookfield, WI 53045A+5.0 ★Texas Ratio: 1.42% Ultimate Money Market at 3.00% APY, North Shore BankNorth Shore Bank15700 W Bluemound Rd, Brookfield, WI 53005A+5.0 ★Texas Ratio: 0.63% Premier Money Market at 3.00% APY, Spring Bank Brookfield, WISpring Bank Brookfield, WI16620 W Bluemound Rd Ste 100a, Brookfield, WI 53005A+5.0 ★Texas Ratio: 3.29% Money Market Account (Personal, IRA, or Business) at 2.90% APY, and Bank Five NineBank Five Nine18815 W Capitol Dr, Brookfield, WI 53045A+5.0 ★Texas Ratio: 3.03% Relationship Money Market** at 2.50% APY. Money market rates as of May 12, 2026 according to verified data from MonitorBankRates.

Brookfield has 9 local institutions in our database, with money market rates as high as 3.00% APY from Landmark Credit Union at 13600 W Greenfield Ave, Brookfield, WI 53005. Use the table below to compare all available offers, including options from institutions serving the broader Wisconsin area. Rates are continually updated — we recommend checking back frequently.

Rates reflect recent market quotes and representative offers available to depositors in Brookfield, Wisconsin and surrounding area. Last Updated and Verified: May 12, 2026

Compare the Best Money Market Rates Today in Brookfield, Wisconsin & the Surrounding Area

Source: Verified Money Market Rate Data provided by MonitorBankRates
Institution
Product
APY
Min Deposit
Profile
WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Ultimate Money Market
3.00%
$0
View
▼
Rate2.96%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

North Shore Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 0.63%
15700 W Bluemound Rd, Brookfield, WI 53005
Premier Money Market
3.00%
$0
View
▼
Rate2.97%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

Landmark Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 3.95%
13600 W Greenfield Ave, Brookfield, WI 53005
Signature Business Money Market
3.00%
$0
View
▼
Rate2.96%
Min Deposit$0
Min Balance—
UpdatedMay 4, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Consumer Ultimate Money Market
3.00%
$5,000
View
▼
Rate—
Min Deposit$5,000
Min Balance—
UpdatedMay 5, 2026
Details

Spring Bank Brookfield, WI
Institution Rating:
A+5.0 ★ Texas Ratio: 3.29%
16620 W Bluemound Rd Ste 100a, Brookfield, WI 53005
Money Market Account (Personal, IRA, or Business)
2.90%
$1,000
View
▼
Rate2.86%
Min Deposit$1,000
Min Balance—
UpdatedMay 5, 2026
Details

The minimum deposit to open this account is $1,000. The minimum to avoid a monthly service fee is a $1,000 average daily balance. If the average daily balance falls below $1,000, there will be a monthly service fee of $15.

North Shore Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 0.63%
15700 W Bluemound Rd, Brookfield, WI 53005
Premier Money Market
2.75%
$0
View
▼
Rate2.72%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Ultimate Business Money Market
2.75%
$0
View
▼
Rate2.72%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Consumer Ultimate Money Market
2.75%
$5,000
View
▼
Rate—
Min Deposit$5,000
Min Balance—
UpdatedMay 5, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Business Ultimate Money Market
2.75%
$5,000
View
▼
Rate—
Min Deposit$5,000
Min Balance—
UpdatedMay 5, 2026
Details

No Monthly Fee*

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Ultimate Money Market
2.75%
$0
View
▼
Rate2.72%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

Spring Bank Brookfield, WI
Institution Rating:
A+5.0 ★ Texas Ratio: 3.29%
16620 W Bluemound Rd Ste 100a, Brookfield, WI 53005
Money Market Account (Personal, IRA, or Business)
2.60%
$1,000
View
▼
Rate2.57%
Min Deposit$1,000
Min Balance—
UpdatedMay 5, 2026
Details

The minimum deposit to open this account is $1,000. The minimum to avoid a monthly service fee is a $1,000 average daily balance. If the average daily balance falls below $1,000, there will be a monthly service fee of $15.

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Ultimate Money Market
2.50%
$0
View
▼
Rate2.47%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

Landmark Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 3.95%
13600 W Greenfield Ave, Brookfield, WI 53005
Signature Business Money Market
2.50%
$0
View
▼
Rate2.47%
Min Deposit$0
Min Balance—
UpdatedMay 4, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Ultimate Business Money Market
2.50%
$0
View
▼
Rate2.47%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Business Ultimate Money Market
2.50%
$5,000
View
▼
Rate—
Min Deposit$5,000
Min Balance—
UpdatedMay 5, 2026
Details

No Monthly Fee*

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Consumer Ultimate Money Market
2.50%
$5,000
View
▼
Rate—
Min Deposit$5,000
Min Balance—
UpdatedMay 5, 2026
Details

Bank Five Nine
Institution Rating:
A+5.0 ★ Texas Ratio: 3.03%
18815 W Capitol Dr, Brookfield, WI 53045
Relationship Money Market**
2.50%
$0
View
▼
Rate2.47%
Min Deposit$0
Min Balance—
UpdatedMay 4, 2026
Details

Spring Bank Brookfield, WI
Institution Rating:
A+5.0 ★ Texas Ratio: 3.29%
16620 W Bluemound Rd Ste 100a, Brookfield, WI 53005
Money Market Account (Personal, IRA, or Business)
2.40%
$1,000
View
▼
Rate2.37%
Min Deposit$1,000
Min Balance—
UpdatedMay 5, 2026
Details

The minimum deposit to open this account is $1,000. The minimum to avoid a monthly service fee is a $1,000 average daily balance. If the average daily balance falls below $1,000, there will be a monthly service fee of $15.

Spring Bank Brookfield, WI
Institution Rating:
A+5.0 ★ Texas Ratio: 3.29%
16620 W Bluemound Rd Ste 100a, Brookfield, WI 53005
Money Market Account (Personal, IRA, or Business)
2.30%
$1,000
View
▼
Rate2.28%
Min Deposit$1,000
Min Balance—
UpdatedMay 5, 2026
Details

The minimum deposit to open this account is $1,000. The minimum to avoid a monthly service fee is a $1,000 average daily balance. If the average daily balance falls below $1,000, there will be a monthly service fee of $15.

State Bank of Chilton
Institution Rating:
A5.0 ★ Texas Ratio: 8.77%
14040 W Capitol Dr, Brookfield, WI 53005
SBC Personal Money Market
2.27%
$0
View
▼
Rate2.25%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Business Ultimate Money Market
2.25%
$5,000
View
▼
Rate—
Min Deposit$5,000
Min Balance—
UpdatedMay 5, 2026
Details

No Monthly Fee*

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Ultimate Business Money Market
2.25%
$0
View
▼
Rate2.23%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

State Bank of Chilton
Institution Rating:
A5.0 ★ Texas Ratio: 8.77%
14040 W Capitol Dr, Brookfield, WI 53005
SBC Biz Money Market
2.02%
$0
View
▼
Rate2.00%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

Landmark Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 3.95%
13600 W Greenfield Ave, Brookfield, WI 53005
Signature Business Money Market
2.00%
$0
View
▼
Rate1.98%
Min Deposit$0
Min Balance—
UpdatedMay 4, 2026
Details

State Bank of Chilton
Institution Rating:
A5.0 ★ Texas Ratio: 8.77%
14040 W Capitol Dr, Brookfield, WI 53005
SBC Personal Money Market
1.76%
$0
View
▼
Rate1.75%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

Ko`olau Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 3.15%
255 Fiserv Dr, Brookfield, WI 53045 5815
Money Market
1.65%
$2,500
View
▼
Rate1.64%
Min Deposit$2,500
Min Balance—
UpdatedMay 6, 2026
Details

$100,001.00 +

State Bank of Chilton
Institution Rating:
A5.0 ★ Texas Ratio: 8.77%
14040 W Capitol Dr, Brookfield, WI 53005
SBC Biz Money Market
1.51%
$0
View
▼
Rate1.50%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

North Shore Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 0.63%
15700 W Bluemound Rd, Brookfield, WI 53005
Premier Money Market
1.50%
$0
View
▼
Rate1.50%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

Ko`olau Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 3.15%
255 Fiserv Dr, Brookfield, WI 53045 5815
Money Market
1.50%
$2,500
View
▼
Rate1.49%
Min Deposit$2,500
Min Balance—
UpdatedMay 6, 2026
Details

$50,001.00 to $100,000.00

Ko`olau Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 3.15%
255 Fiserv Dr, Brookfield, WI 53045 5815
Money Market
1.30%
$2,500
View
▼
Rate1.29%
Min Deposit$2,500
Min Balance—
UpdatedMay 6, 2026
Details

$25,000.00 to $50,000.00

Ko`olau Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 3.15%
255 Fiserv Dr, Brookfield, WI 53045 5815
Money Market
1.15%
$2,500
View
▼
Rate1.14%
Min Deposit$2,500
Min Balance—
UpdatedMay 6, 2026
Details

$2,500.00 to $25,000.00

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Business Ultimate Money Market
1.15%
$5,000
View
▼
Rate—
Min Deposit$5,000
Min Balance—
UpdatedMay 5, 2026
Details

No Monthly Fee*

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Consumer Ultimate Money Market
1.15%
$5,000
View
▼
Rate—
Min Deposit$5,000
Min Balance—
UpdatedMay 5, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Ultimate Business Money Market
1.15%
$0
View
▼
Rate1.14%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Ultimate Money Market
1.15%
$0
View
▼
Rate1.14%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

North Shore Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 0.63%
15700 W Bluemound Rd, Brookfield, WI 53005
Premier Money Market
1.00%
$0
View
▼
Rate1.00%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

The District Federal Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 8.85%
255 Fiserv Dr, Brookfield, WI 53045 5815
Money Market Shares IV
0.85%
$0
View
▼
Rate0.85%
Min Deposit$0
Min Balance—
UpdatedMay 7, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Business Money Market
0.85%
$0
View
▼
Rate0.85%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

State Bank of Chilton
Institution Rating:
A5.0 ★ Texas Ratio: 8.77%
14040 W Capitol Dr, Brookfield, WI 53005
SBC Personal Money Market
0.75%
$0
View
▼
Rate0.75%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

State Bank of Chilton
Institution Rating:
A5.0 ★ Texas Ratio: 8.77%
14040 W Capitol Dr, Brookfield, WI 53005
SBC Biz Money Market
0.75%
$0
View
▼
Rate0.75%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Business Money Market
0.75%
$0
View
▼
Rate0.75%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

The District Federal Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 8.85%
255 Fiserv Dr, Brookfield, WI 53045 5815
Money Market Shares III
0.70%
$0
View
▼
Rate0.70%
Min Deposit$0
Min Balance—
UpdatedMay 7, 2026
Details

The District Federal Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 8.85%
255 Fiserv Dr, Brookfield, WI 53045 5815
Money Market Shares II
0.60%
$0
View
▼
Rate0.60%
Min Deposit$0
Min Balance—
UpdatedMay 7, 2026
Details

The District Federal Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 8.85%
255 Fiserv Dr, Brookfield, WI 53045 5815
Money Market Shares I
0.60%
$0
View
▼
Rate0.60%
Min Deposit$0
Min Balance—
UpdatedMay 7, 2026
Details

Bank Five Nine
Institution Rating:
A+5.0 ★ Texas Ratio: 3.03%
18815 W Capitol Dr, Brookfield, WI 53045
Relationship Money Market**
0.60%
$0
View
▼
Rate0.60%
Min Deposit$0
Min Balance—
UpdatedMay 4, 2026
Details

Bank Five Nine
Institution Rating:
A+5.0 ★ Texas Ratio: 3.03%
18815 W Capitol Dr, Brookfield, WI 53045
Relationship Money Market**
0.50%
$0
View
▼
Rate0.50%
Min Deposit$0
Min Balance—
UpdatedMay 4, 2026
Details

Marathon Bank
Institution Rating:
A5.0 ★ Texas Ratio: 8.41%
19105 W Capitol Drive, Brookfield, WI 53045
Investors Money Market
0.50%
$0
View
▼
Rate0.50%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

State Bank of Chilton
Institution Rating:
A5.0 ★ Texas Ratio: 8.77%
14040 W Capitol Dr, Brookfield, WI 53005
SBC Biz Money Market
0.50%
$0
View
▼
Rate0.50%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Money Market with Checking
0.45%
$0
View
▼
Rate0.45%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Consumer Ultimate Money Market
0.40%
$5,000
View
▼
Rate—
Min Deposit$5,000
Min Balance—
UpdatedMay 5, 2026
Details

Landmark Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 3.95%
13600 W Greenfield Ave, Brookfield, WI 53005
Signature Business Money Market
0.40%
$0
View
▼
Rate0.40%
Min Deposit$0
Min Balance—
UpdatedMay 4, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Ultimate Money Market
0.40%
$0
View
▼
Rate0.40%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Money Market with Checking
0.40%
$0
View
▼
Rate0.40%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Ultimate Business Money Market
0.40%
$0
View
▼
Rate0.40%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Money Market without Checking
0.40%
$0
View
▼
Rate0.40%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

Bank Five Nine
Institution Rating:
A+5.0 ★ Texas Ratio: 3.03%
18815 W Capitol Dr, Brookfield, WI 53045
Relationship Money Market**
0.40%
$0
View
▼
Rate0.40%
Min Deposit$0
Min Balance—
UpdatedMay 4, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Business Ultimate Money Market
0.40%
$5,000
View
▼
Rate—
Min Deposit$5,000
Min Balance—
UpdatedMay 5, 2026
Details

No Monthly Fee*

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Money Market without Checking
0.35%
$0
View
▼
Rate0.35%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

Bank Five Nine
Institution Rating:
A+5.0 ★ Texas Ratio: 3.03%
18815 W Capitol Dr, Brookfield, WI 53045
Relationship Money Market**
0.30%
$0
View
▼
Rate0.30%
Min Deposit$0
Min Balance—
UpdatedMay 4, 2026
Details

Bank Five Nine
Institution Rating:
A+5.0 ★ Texas Ratio: 3.03%
18815 W Capitol Dr, Brookfield, WI 53045
First Rate Money Market* (Consumer)
0.30%
$0
View
▼
Rate0.30%
Min Deposit$0
Min Balance—
UpdatedMay 4, 2026
Details

WaterStone Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.42%
21505 Us 18 E, Brookfield, WI 53045
Money Market with Checking
0.30%
$0
View
▼
Rate0.30%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

State Bank of Chilton
Institution Rating:
A5.0 ★ Texas Ratio: 8.77%
14040 W Capitol Dr, Brookfield, WI 53005
SBC Personal Money Market
0.25%
$0
View
▼
Rate0.25%
Min Deposit$0
Min Balance—
UpdatedMay 5, 2026
Details

Landmark Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 3.95%
13600 W Greenfield Ave, Brookfield, WI 53005
Signature Business Money Market
0.00%
$0
View
▼
Rate—
Min Deposit$0
Min Balance—
UpdatedMay 4, 2026
Details

Shoreline Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 5.83%
Elite Money Market
4.00%
$0
View
▼
Rate3.93%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Community First Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.81%
Member's Choice IRA Money Market
3.95%
$0
View
▼
Rate3.88%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

with active checking*

Capital Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 7.58%
Money Market Platinum Select
3.90%
$0
View
▼
Rate3.83%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Community First Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.81%
Member's Choice IRA Money Market
3.90%
$0
View
▼
Rate3.83%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

with active checking*

Capital Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 7.58%
Business SelectMoney Market
3.90%
$0
View
▼
Rate3.83%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Indianhead Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 1.50%
Money Market Special
3.87%
$0
View
▼
Rate—
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Qualifying balance up to $1,000.00

Sentry Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.87%
Money Market
3.82%
$0
View
▼
Rate3.75%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Capital Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 7.58%
Business SelectMoney Market
3.80%
$0
View
▼
Rate3.74%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Capital Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 7.58%
Money Market Platinum Select
3.80%
$0
View
▼
Rate3.74%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Fox Communities Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.46%
Fox Rewards Money Market
3.75%
$0
View
▼
Rate3.69%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Qualifications Required; Qualifying balance up to $14,999.99

Community First Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.81%
Member's Choice IRA Money Market
3.65%
$0
View
▼
Rate3.59%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

with active checking*

Capital Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 7.58%
Business SelectMoney Market
3.65%
$0
View
▼
Rate3.59%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Capital Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 7.58%
Money Market Platinum Select
3.65%
$0
View
▼
Rate3.59%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Northwestern Mutual Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.06%
1500 Club - Money Market
3.56%
$0
View
▼
Rate3.50%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Fox Communities Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.46%
Fox Rewards Money Market
3.50%
$0
View
▼
Rate3.44%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Qualifications Required; Qualifying balance up to $14,999.99

Community First Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.81%
Member's Choice IRA Money Market
3.50%
$0
View
▼
Rate3.45%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

with active checking*

Simplicity Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 10.89%
Money Market Checking
3.50%
$0
View
▼
Rate3.45%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Simplicity Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 10.89%
Business Money Market
3.50%
$0
View
▼
Rate3.45%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Baxter Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 7.73%
Money Market Special
3.50%
$0
View
▼
Rate—
Min Deposit$0
Min Balance—
UpdatedMay 12, 2026
Details

Baxter Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 7.73%
Money Market Special Intro rate
3.50%
$0
View
▼
Rate3.45%
Min Deposit$0
Min Balance—
UpdatedMay 12, 2026
Details

$15,000+

TruStone Financial Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 5.44%
Business High-Yield Money Market
3.50%
$5
View
▼
Rate3.45%
Min Deposit$5
Min Balance—
UpdatedMay 12, 2026
Details

$5,000,000 And Greater

Unison Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.00%
Money Market Accounts
3.50%
$0
View
▼
Rate3.44%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Dividend Rate with Checking

Mayo Employees Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.10%
Premium Money Market Savings
3.40%
$1,000,000
View
▼
Rate3.36%
Min Deposit$1,000,000
Min Balance—
UpdatedMay 10, 2026
Details

Capital Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 7.58%
Business SelectMoney Market
3.40%
$0
View
▼
Rate3.35%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Capital Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 7.58%
Money Market Platinum Select
3.40%
$0
View
▼
Rate3.35%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Unison Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.00%
Money Market Accounts
3.39%
$0
View
▼
Rate3.34%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Dividend Rate without Checking

Simplicity Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 10.89%
Money Market Checking
3.25%
$0
View
▼
Rate3.20%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

TruStone Financial Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 5.44%
Business High-Yield Money Market
3.25%
$5
View
▼
Rate3.20%
Min Deposit$5
Min Balance—
UpdatedMay 12, 2026
Details

$3,000,000 - $4,999,999.99

Simplicity Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 10.89%
Business Money Market
3.25%
$0
View
▼
Rate3.20%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Prospera Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.24%
Thrive Money Market
3.20%
$0
View
▼
Rate3.15%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Mayo Employees Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.10%
Premium Money Market Savings
3.05%
$750,000
View
▼
Rate3.02%
Min Deposit$750,000
Min Balance—
UpdatedMay 10, 2026
Details

University of Wisconsin Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 4.81%
Investor's Indexed Money Market
3.05%
$0
View
▼
Rate—
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

Members Advantage Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.47%
Money Market
3.05%
$0
View
▼
Rate—
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

As High As

Members Advantage Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.47%
Money Market Savings
3.05%
$250,000
View
▼
Rate3.00%
Min Deposit$250,000
Min Balance—
UpdatedMay 10, 2026
Details

$1000 to open/HSA Money Market Savings (no minimum)

TruStone Financial Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 5.44%
Money Market
3.00%
$2,500
View
▼
Rate2.96%
Min Deposit$2,500
Min Balance—
UpdatedMay 12, 2026
Details

TruStone Financial Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 5.44%
Business High-Yield Money Market
3.00%
$5
View
▼
Rate2.96%
Min Deposit$5
Min Balance—
UpdatedMay 12, 2026
Details

$1,000,000 - $2,999,999.99

Community First Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.81%
Member's Choice IRA Money Market
3.00%
$0
View
▼
Rate2.96%
Min Deposit$0
Min Balance—
UpdatedMay 10, 2026
Details

with active checking*

The Annual Percentage Yields (APYs) displayed are based on the highest APY offered for the specified deposit amount or less. Rates may change without prior notice. Rates reflect recent market quotes and representative offers available to depositors in Brookfield, Wisconsin and the surrounding area.

Banks and Credit Unions: If you identify an incorrect rate or wish to request the removal of your institution’s data, please contact us here.

Brookfield, WI Money Market Rate Trends

Compare local Brookfield, WI money market quotes against the statewide average

Daily money market rate averages tracked across our database of 8,500+ banks and credit unions — updated every evening.

View Full Wisconsin MMA Trends →
High-Yield MMA — WI Avg
2.981%
Unchanged vs 7 days ago

Wisconsin high-yield MMA rates currently average 2.981% APY.

Standard MMA — WI Avg
0.884%
▼ 0.022 vs 7 days ago

Wisconsin standard MMA rates fell 0.022 points over the past 7 days to 0.884% APY.

As of May 13, 2026 • Rate data sourced from 8,500+ monitored institutions Powered by MonitorBankRates

Methodology & Data Sources

Direct-Sourced & Verified Money Market Rate Data: We aggregate money market deposit account rates for Brookfield, Wisconsin directly from the official websites of banks and credit unions using our proprietary rate aggregation technology and a dedicated team of rate updaters. Every money market rate displayed on MonitorBankRates.com is highly accurate and trustworthy.

Local, Regional, and National Coverage: Our systems constantly monitor the market to provide a complete picture of available yields in Brookfield, Wisconsin. We feature a comprehensive mix of institutions from neighborhood credit unions and mid-sized regional banks to large national institutions available to savers in WI.

Daily Updates & Time-Stamped Accuracy: Our rate updaters verify and update money market rates daily. Because MMA yields can fluctuate rapidly based on market conditions, every product listed features its own specific “last updated” date, giving you complete transparency.

Frequently Asked Questions about Money Market Accounts in Brookfield, Wisconsin

What is a Money Market Account (MMA)?

A Money Market Account (MMA), formally known as a money market deposit account (MMDA), is a type of deposit account that often pays higher interest rates than standard savings accounts. They usually come with check-writing privileges and debit card access, offering a balance of growth and liquidity for savers in Wisconsin.

Are Money Market accounts in Brookfield, Wisconsin safe?

Yes, as long as the institution is FDIC insured (for banks) or NCUA insured (for credit unions). This provides federal protection for your deposits in Wisconsin up to $250,000 per depositor, per institution.

How often do MMA rates change in Brookfield, Wisconsin?

Money market rates are variable and can change at any time based on market conditions and Federal Reserve decisions. We update our local Wisconsin rate tables daily to ensure you see the most current high-yield options.

Can I write checks from a Money Market Account?

Yes, most Money Market Accounts allow you to write a limited number of checks or make debit card transactions each month (typically up to 6), making them more flexible than a standard savings account.

How much do I need to deposit to open a money market account in Brookfield, Wisconsin?

Minimum deposit requirements vary widely. Some online money market deposit accounts can be opened with no minimum, while many banks and credit unions in Brookfield, Wisconsin require an initial deposit of $1,000 to $2,500 to earn the highest advertised APY. Larger deposits often unlock higher rate tiers, and FDIC or NCUA insurance protects deposits up to $250,000 per depositor, per institution.

Best Money Market Rates in Brookfield, Wisconsin

Here are some of the highest money market account APYs currently available in Brookfield, Wisconsin and the surrounding area:
  • Landmark Credit Union
    Signature Business Money Market — 3.00% APY
  • WaterStone Bank
    Ultimate Money Market — 3.00% APY
  • North Shore Bank
    Premier Money Market — 3.00% APY
  • Spring Bank Brookfield, WI
    Money Market Account (Personal, IRA, or Business) — 2.90% APY
  • Bank Five Nine
    Relationship Money Market** — 2.50% APY
Money Market Rates reflect actual verified offers from banks and credit unions actively accepting deposits in Brookfield, Wisconsin. Your final available rate may depend on deposit amount and daily market movements. Last Updated and Verified: May 12, 2026

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