Current Iowa money market deposit account rates include IH Mississippi Valley Credit UnionIH Mississippi Valley Credit Union1703 11th St, De Witt, IA 52742 1297B4.6 ★Texas Ratio: 20.04% Mega Money Market at 4.00% APY, Atkins Savings B&TAtkins Savings B&T97 Main Ave, Atkins, IA 52206A+5.0 ★Texas Ratio: 2.49% Money Market Account at 3.56% APY, Cent Credit UnionCent Credit Union3124 4th St SW, Mason City, IA 50401 1522A+5.0 ★Texas Ratio: 2.81% Cheers Money Market at 3.55% APY, Financial Plus Credit UnionFinancial Plus Credit Union1831 25th St, West Des Moines, IA 50266 1416A+5.0 ★Texas Ratio: 2.04% PLUS Money Market at 3.30% APY, and Frontier Bank Sioux Falls, SDFrontier Bank Sioux Falls, SD323 Main St, Little Rock, IA 51243A+5.0 ★Texas Ratio: 0.00% Money Market Select at 3.25% APY. Money market rates as of May 4, 2026 according to verified data from MonitorBankRates.
Use the tables below to compare money market rates across Iowa side-by-side. Iowa money market rates currently reach as high as 4.00% APY from IH Mississippi Valley Credit Union at 1703 11th St, De Witt, IA 52742 1297. Rates are continually updated — we recommend checking back frequently.
Rates reflect recent market quotes and representative offers available to depositors in Iowa and surrounding area. Last Updated and Verified: May 4, 2026
Qualifying balance up to $100,000.00
Qualifying balance up to $100,000.00
New deposits only
Qualifying balance up to $15,000,000
With an active checking account
Limited time offer
Qualifying balance up to $50,000.00
Limited time offer
$50,000
Limited time offer
Qualifying balance up to $15,000.00
$25,000
if balance is; $100,000 & above @ 1.75% APY on entire account.
Limited time offer
Compare local Iowa 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.
Iowa high-yield MMA rates fell 0.021 points over the past 7 days to 2.860% APY.
Iowa standard MMA rates rose 0.031 points over the past 7 days to 0.912% APY.
Direct-Sourced & Verified Money Market Rate Data: We aggregate money market deposit account rates for Iowa 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 Iowa. We feature a comprehensive mix of institutions from neighborhood credit unions and mid-sized regional banks to large national institutions available to savers in IA.
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.