The best savings rates for Crystal Lake, Illinois and the surrounding area include Corporate America Family Credit UnionCorporate America Family Credit Union625 Cog Cir Ste C, Crystal Lake, IL 60014 7325A+5.0 ★Texas Ratio: 3.64% Business Prosperity Savings at 3.75% APY, PNC BankPNC Bank5745 Northwest Hwy, Crystal Lake, IL 60014A5.0 ★Texas Ratio: 6.83% PNC High Yield SavingsĀ® at 3.25% APY, Baxter Credit UnionBaxter Credit Union415 S Main St, Crystal Lake, IL 60014A5.0 ★Texas Ratio: 7.73% SafeGuard Savings, Municipal at 3.00% APY, Crystal Lake Bank and Trust Co., N.ACrystal Lake Bank and Trust Co., N.A70 N Williams St, Crystal Lake, IL 60014A+5.0 ★Texas Ratio: 4.82% Statement Savings Advanced Special at 2.00% APY, and Fidelity Bank & Trust (IA)Fidelity Bank & Trust (IA)242 Wall St, East Dubuque, IL 61025A+5.0 ★Texas Ratio: 1.72% Snap $tack Savings at 5.12% APY. Savings rates as of March 26, 2026 according to verified data from MonitorBankRates.
To see how these savings rates in Crystal Lake, 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 Crystal Lake, Illinois (IL) are continually updated — we recommend checking back frequently.
Savings rates reflect recent market quotes and representative offers available to depositors in Crystal Lake, Illinois and the surrounding area. Last Updated and Verified: March 26, 2026
Intro rate subject to change
With qualifying activities.
On balances above $25,000 and up to $50,000
On balances up to $25,000
On remainder over $50,000
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.
$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.
$50 Minimum (effective 3/01/2025)
$50 Minimum (effective 3/01/2025)
Daily Balances Of up to $4,999.99
Compare local Crystal Lake, 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 0.755 points this week to 2.306% APY, up from 1.551% last week.
Illinois standard savings rates fell 0.181 points this week to 0.499% APY, down from 0.680% last week.
Direct-Sourced & Verified Savings Rate Data: We aggregate savings account rates for Crystal Lake, 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 Crystal Lake, 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.