The best savings rates for O Fallon, Illinois and the surrounding area include First Bank Creve Coeur, MOFirst Bank Creve Coeur, MO804 W Us Highway 50, O Fallon, IL 62269A+5.0 ★Texas Ratio: 1.54% Kids Cash Savings at 4.00% APY, PNC BankPNC Bank1642 Bryan Rd, O Fallon, MO 63368A5.0 ★Texas Ratio: 6.83% PNC High Yield SavingsĀ® at 3.25% APY, FCB BanksFCB Banks1501 W Highway 50, O Fallon, IL 62269A+5.0 ★Texas Ratio: 3.72% Savings at 0.50% APY, Scott Credit UnionScott Credit Union712 E Highway 50, O Fallon, IL 62269 2812A5.0 ★Texas Ratio: 6.09% Youth Share Savings at 0.45% APY, and Revity Credit UnionRevity Credit Union1119 S Lincoln Ave, O Fallon, IL 62269 2694A+5.0 ★Texas Ratio: 1.46% Member Savings at 0.10% APY. Savings rates as of March 25, 2026 according to verified data from MonitorBankRates.
To see how these savings rates in O Fallon, Illinois, and the surrounding area, compare, use our comprehensive tables below for side-by-side comparisons to find the best savings rates available. Rates in O Fallon, Illinois (IL) are continually updated — we recommend checking back frequently.
Savings rates reflect recent market quotes and representative offers available to depositors in O Fallon, Illinois and the surrounding area. Last Updated and Verified: March 25, 2026
Kidz Club and Teen Share
Qualifying balance up to $5,000.00
Qualifying balance up to $5,000.00
when you add Direct Deposit to a new or existing Justice Federal Checking Account.
Terms and Conditions apply.
Intro rate subject to change
$250,000.00 - $499,999.99
Daily Balances Of $5,000-$100,000
$150,000.00 - $249,999.99
Minimum of $5,000 not currently deposited at Huntington.
Compare local O Fallon, IL 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.
Illinois high-yield savings rates rose 1.083 points this week to 2.306% APY, up from 1.223% last week.
Illinois standard savings rates fell 0.075 points this week to 0.500% APY, down from 0.575% last week.
Direct-Sourced & Verified Savings Rate Data: We aggregate savings account rates for O Fallon, Illinois 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 O Fallon, Illinois. We feature a comprehensive mix of institutions — from neighborhood credit unions and competitive regional banks to large national institutions available to savers in IL.
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.