Best Money Market Rates in Nampa, Idaho - June 2026
Brian McKay
Brian McKay
Founder & Data Architect- Automated Online Rate Data Aggregation
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Current Nampa, Idaho and the surrounding area money market deposit account rates include CAPITAL EDUCATORSCAPITAL EDUCATORS16275 N Marketplace Blvd, Nampa, ID 83687 5141A5.0 ★Texas Ratio: 10.63% Business Money Market Savings Account at 4.00% APY, Mountain America Federal Credit UnionMountain America Federal Credit Union112 2nd St S, Nampa, ID 83651 3708A5.0 ★Texas Ratio: 10.12% Money market at 3.55% APY, First FSB of Twin FallsFirst FSB of Twin Falls1217 2nd Street S, Nampa, ID 83651A+5.0 ★Texas Ratio: 0.24% Business Money Market at 3.04% APY, Westmark Credit UnionWestmark Credit Union6034 Birch Ln, Nampa, ID 83687A+5.0 ★Texas Ratio: 2.77% Premium Money Market at 2.00% APY, and Idaho Central Credit UnionIdaho Central Credit Union215 3rd Ave S, Nampa, ID 83651 3758A+5.0 ★Texas Ratio: 3.86% IRA Money Market Savings Account at 1.00% APY. Money market rates as of June 22, 2026 according to verified data from MonitorBankRates.
Nampa has 5 local institutions in our database, with money market rates as high as 4.00% APY from CAPITAL EDUCATORS at 16275 N Marketplace Blvd, Nampa, ID 83687 5141. Use the table below to compare all available offers, including options from institutions serving the broader Idaho area. Rates are continually updated — we recommend checking back frequently.
Rates reflect recent market quotes and representative offers available to depositors in Nampa, Idaho and surrounding area. Last Updated and Verified: June 22, 2026
Compare the Best Money Market Rates Today in Nampa, Idaho & the Surrounding Area
$1,000,000 +; Federally Insured by NCUA. APY=Annual Percentage Yield. Effective as of 6/16/2026. Rates and terms subject to change. Money Market tiered rates start on average daily balance of $2,500 or more. No minimum deposit required to open the account. Fees may reduce earnings on account.
$250,000 - $999,999; Federally Insured by NCUA. APY=Annual Percentage Yield. Effective as of 6/16/2026. Rates and terms subject to change. Money Market tiered rates start on average daily balance of $2,500 or more. No minimum deposit required to open the account. Fees may reduce earnings on account.
Tier 10
Tier 10
Tier 9
Tier 9
$100,000 - $249,999; Federally Insured by NCUA. APY=Annual Percentage Yield. Effective as of 6/16/2026. Rates and terms subject to change. Money Market tiered rates start on average daily balance of $2,500 or more. No minimum deposit required to open the account. Fees may reduce earnings on account.
Tier 8
Tier 8
$50,000 - $99,999; Federally Insured by NCUA. APY=Annual Percentage Yield. Effective as of 6/16/2026. Rates and terms subject to change. Money Market tiered rates start on average daily balance of $2,500 or more. No minimum deposit required to open the account. Fees may reduce earnings on account.
Tier 7
Tier 7
$25,000 - $49,999; Federally Insured by NCUA. APY=Annual Percentage Yield. Effective as of 6/16/2026. Rates and terms subject to change. Money Market tiered rates start on average daily balance of $2,500 or more. No minimum deposit required to open the account. Fees may reduce earnings on account.
Tier 6
Tier 6
*APY = Annual Percentage Yield. The interest rate and annual percentage yield may change at any time. Federally insured by the NCUA.
Federally insured by the NCUA.
$10,000 - $24,999; Federally Insured by NCUA. APY=Annual Percentage Yield. Effective as of 6/16/2026. Rates and terms subject to change. Money Market tiered rates start on average daily balance of $2,500 or more. No minimum deposit required to open the account. Fees may reduce earnings on account.
Tier 5
Tier 5
$2,500 - $9,999; Federally Insured by NCUA. APY=Annual Percentage Yield. Effective as of 6/16/2026. Rates and terms subject to change. Money Market tiered rates start on average daily balance of $2,500 or more. No minimum deposit required to open the account. Fees may reduce earnings on account.
Federally insured by the NCUA.
*APY = Annual Percentage Yield. The interest rate and annual percentage yield may change at any time. Federally insured by the NCUA.
Tier 4
Tier 4
Federally insured by the NCUA.
*APY = Annual Percentage Yield. The interest rate and annual percentage yield may change at any time. Federally insured by the NCUA.
under $2,500; Federally Insured by NCUA. APY=Annual Percentage Yield. Effective as of 6/16/2026. Rates and terms subject to change. Money Market tiered rates start on average daily balance of $2,500 or more. No minimum deposit required to open the account. Fees may reduce earnings on account.
Federally insured by the NCUA.
*APY = Annual Percentage Yield. The interest rate and annual percentage yield may change at any time. Federally insured by the NCUA.
Tier 3
Tier 3
Tier 2
Tier 2
Tier 1
Tier 1
Federally insured by the NCUA.
*APY = Annual Percentage Yield. The interest rate and annual percentage yield may change at any time. Federally insured by the NCUA.
Balance: $1,000,000.00+
Balance: $250,000.00-$999,999.99
Elite Money Market Savings*
APY is variable and may change after account is opened. If fees are applied, earnings may be reduced. Not available for business accounts. There is a $5 fee for each withdrawal over 6 in a monthly statement period.
Promotional rate for new money.
APY effective 12/2/25. Rate is variable and balance tiers may change after account is opened.
Balance: $100,000.00-$249,999.99
Daily ledger balance of: $500,000 and above
Balance: $50,000.00-$99,999.99
Effective Date: 06/01/2026
Floor Interest Rate**
Effective Date: 06/01/2026
Effective Date: 06/01/2026
Balance: $25,000.00-$49,999.99
Daily ledger balance of: $250,000 - $499,999
Effective Date: 06/01/2026
APY on balances over $10,000.00
Daily ledger balance of: $100,000 - $249,999
Daily ledger balance of: $.01 - $99,999
Effective Date: 06/01/2026
Balance: $10,000.00-$24,999.99
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.
Nampa, ID Money Market Rate Trends
Compare local Nampa, ID 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.
Idaho high-yield MMA rates fell 0.028 points over the past 7 days to 3.060% APY.
Idaho standard MMA rates currently average 1.016% APY.
Methodology & Data Sources
Independent, Free, and Unbiased Rate Comparisons: MonitorBankRates.com is an independent rate comparison service. Our Nampa, Idaho money market rate tables are free for consumers to use, and we do not receive payment from any financial institution to be included or to be ranked in any particular order. Listings are based solely on the rates each institution publicly advertises on its own website.
A Note on Third-Party Rate Tools: Some pages on our site also feature rate comparison widgets and tools provided by third-party partners. These tools may include sponsored listings or affiliate links, and we may receive compensation when users click through them. We clearly label these widgets so you can tell at a glance which rates come from our independent MonitorBankRates.com tables and which come from our advertising partners.
Direct-Sourced & Verified Money Market Rate Data: We aggregate money market deposit account rates for Nampa, Idaho 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 Nampa, Idaho. We feature a comprehensive mix of institutions from neighborhood credit unions and mid-sized regional banks to large national institutions available to savers in ID.
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 Nampa, Idaho
What is a Money Market Account (MMA)?
Are Money Market accounts in Nampa, Idaho safe?
How often do MMA rates change in Nampa, Idaho?
Can I write checks from a Money Market Account?
How much do I need to deposit to open a money market account in Nampa, Idaho?
Best Money Market Rates in Nampa, Idaho
- CAPITAL EDUCATORS
Business Money Market Savings Account — 4.00% APY - Mountain America Federal Credit Union
Money market — 3.55% APY - First FSB of Twin Falls
Business Money Market — 3.04% APY - Westmark Credit Union
Premium Money Market — 2.00% APY - Idaho Central Credit Union
IRA Money Market Savings Account — 1.00% APY
