The best savings rates for Watertown, South Dakota and the surrounding area include Area Federal Credit UnionArea Federal Credit Union113 1st Ave NW, Watertown, SD 57201A+5.0 ★Texas Ratio: 1.54% EDUCATION IRA SHARES at 2.53% APY, First Premier BankFirst Premier Bank24 5th St Se, Watertown, SD 57201A+5.0 ★Texas Ratio: 0.54% PREMIER Kids Club Savings Account at 1.81% APY, Avanti Federal Credit UnionAvanti Federal Credit Union1620 4th St NE, Watertown, SD 57201 8604B+4.8 ★Texas Ratio: 17.32% Regular Shares/Savings at 0.30% APY, Reliabank DakotaReliabank Dakota1401 4th St Ne, Watertown, SD 57201B+4.8 ★Texas Ratio: 17.25% Money Market Savings at 0.20% APY, and Dakotaland Federal Credit UnionDakotaland Federal Credit Union1101 9th Ave SE, Watertown, SD 57201A+5.0 ★Texas Ratio: 3.55% Regular Share Savings at 0.10% APY. Savings rates as of March 28, 2026 according to verified data from MonitorBankRates.
To see how these savings rates in Watertown, South Dakota, and the surrounding area, compare, use our comprehensive tables below for side-by-side comparisons to find the best savings rates available. Rates in Watertown, South Dakota (SD) are continually updated — we recommend checking back frequently.
Savings rates reflect recent market quotes and representative offers available to depositors in Watertown, South Dakota and the surrounding area. Last Updated and Verified: March 28, 2026
Daily balances of: $200,000 and up
Daily balances of: $75,000.00 - 199,999.00
compounded monthly
Daily balances of: $25,000.00 - $74,999.00
Avoid the $12 monthly service fee with a $3,500 minimum daily balance each fee period.; $25 minimum opening deposit
Earn 10 points and get $10 automatically deposited into your account!
Daily balances of: $2,500.00 - 24,999.00
Avoid the $12 monthly service fee with a $3,500 minimum daily balance each fee period.; $25 minimum opening deposit
Avoid the $12 monthly service fee with a $3,500 minimum daily balance each fee period.; $25 minimum opening deposit
$25 minimum opening deposit
$25,000.00 and over
N/A
For children under 12 years of age
Under $25,000.00
Qualifying balance up to $10,000.00
(Dividends paid 12/31/2025)
Average daily balance over $100.00
Compare local Watertown, SD savings rate quotes against the statewide average
Weekly savings rate averages tracked across our database of 8,500+ banks and credit unions — updated every evening.
South Dakota high-yield savings rates fell 1.766 points this week to 0.032% APY, down from 1.799% last week.
South Dakota standard savings rates rose 0.101 points this week to 0.301% APY, up from 0.200% last week.
Direct-Sourced & Verified Savings Rate Data: We aggregate savings account rates for Watertown, South Dakota directly from the official websites of banks and credit unions using our proprietary rate aggregation technology and a dedicated team of rate updaters. Every savings 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 Watertown, South Dakota. We feature a comprehensive mix of institutions — from neighborhood credit unions and competitive regional banks to large national institutions available to savers in SD.
Daily Updates & Time-Stamped Accuracy: Our rate updaters verify and update savings rates daily. Because savings account yields can fluctuate rapidly, every product listed features its own specific “last updated” date, giving you complete transparency.