Compare Bank & Credit Union Rates
Best savings rates in Naperville, IL
Compare published savings yields, money market accounts included, with minimums, requirements, collection dates and original sources.
Top savings rates
Showing 1–15 results in Naperville, IL
- 3.50%APY$350 a year on $10,000with conditions
Requirements
Product: Open a free Kasasa Cash checking account to be eligible. Kasasa Cash interest and ATM fee refunds automatically swept into Kasasa Saver. No minimum balance to earn rewards. Limited to 6 preauthorized/automatic transfers per statement cycle. Rate may change without notice.
Offer: When Kasasa Cash qualifications are not met, paid on the entire balance.
Qualified rate · 0.02% interest rate · Effective Sep 19, 2025
Rate by balance
Rate by balance for Kasasa Saver Balance APY Any balance 0.02% Up to $100,000Your amountWhen monthly Kasasa Cash qualifications are met (Tier 1). 3.50% Rate checked
More details - Huntington BankHuntington Relationship SavingsSavings · $100 min · 0.06%–3.25% by balance
Bank · 2 branches
3.25%APY$325 a year on $10,000with conditionsRequirements
Product: Monthly maintenance fee of $10 waived with an average daily balance of $2,500 or when you also own a Huntington personal checking account. Minimum opening deposit is $100. Higher relationship rates available when linked with qualifying checking accounts. Rates are specific to ZIP code 43215.
Offer: Promotional Rate with open Private Client Account; requires new money to Huntington. Rate applies to ZIP code 43215.
Qualified rate · 0.06% interest rate · $10 monthly fee · Effective Oct 5, 2026
Rate by balance
Rate by balance for Huntington Relationship Savings Balance APY Up to $5,000 0.06% $5,000 – $2,000,001Your amountPromotional Rate with open Huntington Perks Checking account; 3.25% $2,000,001 – $100,000,000,000Bank reserves the right to limit acceptance of deposits greater than $2,000,000.00. 0.06% Rate checked
More details - Huntington BankHuntington Relationship SavingsSavings · $100 min · 0.02%–3.15% by balance
Bank · 2 branches
3.15%APY$315 a year on $10,000with conditionsRequirements
Product: Monthly maintenance fee of $10 waived with an average daily balance of $2,500 or when you also own a Huntington personal checking account. Minimum opening deposit is $100. Higher relationship rates available when linked with qualifying checking accounts. Rates are specific to ZIP code 43215.
Offer: Promotional Rate with open Huntington Perks Checking account; requires new money to Huntington. Rate applies to ZIP code 43215.
Qualified rate · 0.02% interest rate · $10 monthly fee · Effective Oct 5, 2026
Rate by balance
Rate by balance for Huntington Relationship Savings Balance APY Up to $5,000 0.02% $5,000 – $2,000,001Your amountNon-Relationship Promotional Rate; 3.15% $2,000,001 – $100,000,000,000Bank reserves the right to limit acceptance of deposits greater than $2,000,000.00. 0.02% Rate checked
More details - 3.02%APY$302 a year on $10,000
Requirements
Product: Available exclusively online. Account must be funded with money not currently on deposit with Republic Bank of Chicago. Monthly maintenance fee of $25 is assessed if balance falls below $2,500.
Offer: Account must be funded with new money not currently on deposit with Republic Bank of Chicago. Monthly maintenance fee of $25 waived with minimum daily balance of $2,500.
$25 monthly fee
Rate checked
More details - 3.00%APY$300 a year on $10,000
Requirements
Product: Available in select markets/states to applicants with qualifying residential address. Monthly service fee is waived for accounts with a linked Citi checking account, an average monthly balance of $500 or more, or enrollment in Citi Priority, Citigold, or Citigold Private Client relationship tiers. Accounts with a zero balance for 90 calendar days are subject to closure.
Offer: Everyday Benefits tier. Rates apply to ZIP 57108 (OUT pricing region). $4.50 monthly fee waived with $500+ average monthly balance or linked Citi checking account.
2.96% interest rate · $4.50 monthly fee
Rate checked
More details - Republic Bank of ChicagoPower Index Money MarketPower Index Money Market · $10,000 min · 0.00%–2.77% by balance
Bank · 1 branch
2.77%APY$277 a year on $10,000Requirements
Product: Minimum daily balance to obtain stated APY and avoid $30 maintenance fee is $10,000.
0.00% interest rate · $30 monthly fee · Effective Sep 23, 2026
Rate by balance
Rate by balance for Power Index Money Market Balance APY Up to $10,000 0.00% $10,000 and upYour amount 2.77% Rate checked
More details - 2.60%APY$260 a year on $10,000
Requirements
Product: A maintenance charge of $5.00 will be imposed every statement cycle if the average daily balance for the statement cycle falls below $500.
Offer: Monthly maintenance charge of $5 waived when average daily balance for the statement cycle is $500 or more.
$5 monthly fee · Effective Dec 11, 2025
Rate by balance
Rate by balance for Simple Money Market Balance APY Up to $10,000 0.05% $10,000 – $100,000Your amount 2.60% $100,000 and up 2.80% Rate checked
More details - 2.20%APY$220 a year on $10,000
No monthly fee
Rate by balance
Rate by balance for Simple Savings Balance APY Up to $50,000Your amount 2.20% $50,000 and up 2.70% Rate checked
More details - Wheaton Bank & Trust Company, N.A.Statement Savings Advanced SpecialSavings · $0 min
Bank · 3 branches
2.00%APY$200 a year on $10,000Requirements
Product: Variable rate. Must open new account, mention offer or visit URL, and deposit new money. $5 monthly maintenance fee waived with a $200 daily balance. Available to existing or closed savings account customers of Wintrust Financial Corporation & its subsidiaries or employees.
Offer: With qualifying activities: open new Statement Savings Advanced account, mention offer during in-branch account opening or visit URL provided, and deposit new money at account opening. Variable rate. $200 daily balance to avoid $5 monthly maintenance fee.
$5 monthly fee · Effective Feb 27, 2026
Rate checked
More details - 2.00%APY$200 a year on $10,000with conditions
Requirements
Product: Opening deposit of at least $25 required. Monthly maintenance fee of $5 is waived for owners of a U.S. Bank Smartly Checking account, Safe Debit account, U.S. Bank Smartly Visa Signature Card, or accounts with a minor under age 18. Relationship rates require maintaining an eligible qualifying product and vary by Combined Qualifying Balance (CQB).
Offer: Relationship rate for Combined Qualifying Balance (CQB) under $5,000. Requires an eligible open and in-good-standing account (U.S. Bank Smartly Checking, Safe Debit, or U.S. Bank Smartly Visa Signature Card).
Qualified rate · 1.00% interest rate · $5 monthly fee · Effective Oct 5, 2026
Rate by balance
Rate by balance for U.S. Bank Smartly Savings Balance APY Up to $5,000 1.00% $5,000 – $25,000Your amount 2.00% $25,000 – $50,000 3.50% $50,000 – $100,000 3.50% $100,000 – $99,999,999,999 3.50% Rate checked
More details - 2.00%APY$200 a year on $10,000with conditions
Requirements
Product: Variable rate account. Monthly maintenance fee of $5 is waived for owners of a Bank Smartly Checking account, Safe Debit account, Bank Smartly Visa Signature Card, or accounts with a minor under age 18. Higher relationship rates require maintaining an eligible product (Bank Smartly Checking, Safe Debit account, or Bank Smartly Visa Signature Card) and are determined by Combined Qualifying Balance (CQB).
Offer: Relationship rate for CQB Under $5,000. Requires qualifying relationship product.
Qualified rate · 1.00% interest rate · $5 monthly fee · Effective Oct 5, 2026
Rate by balance
Rate by balance for Bank Smartly Savings Balance APY Up to $5,000 1.00% $5,000 – $25,000Your amountRelationship rate for CQB $5,000 to $24,999.99. 2.00% $25,000 – $50,000Relationship rate for CQB $25,000 to $49,999.99. 3.50% $50,000 – $100,000Relationship rate for CQB $50,000 to $99,999.99. 3.50% $100,000 and upRelationship rate for CQB $100,000 and above. 3.50% Rate checked
More details - DuPage Credit UnionHigh-Yield SavingsSavings · $0 min · 1.00%–2.53% by balance
Credit union · 1 branch
1.51%APY$151 a year on $10,000with conditionsRequirements
Product: Exclusively available to holders of a High-Yield Checking or Cash Back Checking account under the same membership account. To earn the higher tiered rates, minimum monthly qualification requirements for the related checking account must be met (such as enrolling in eStatements and spending $1,200 with a DuPage Credit Union Visa Credit Card per billing cycle); otherwise, dividends are paid at the stated Membership Savings rate. If the related checking account is closed, the High-Yield Savings account will also be closed. No minimum balance or monthly service fees.
Offer: Applies to entire balance when qualifying requirements are met. Dividends paid at stated Membership Savings rate if qualifications not met.
Qualified rate · 1.00% interest rate · No monthly fee
Rate by balance
Rate by balance for High-Yield Savings Balance APY Up to $9,999 1.00% $10,000 – $49,999Your amount 1.51% $50,000 – $99,999 2.02% $100,000 and up 2.53% Rate checked
More details - GreenState Credit UnionImpact Money MarketImpact Money Market · $2,500 min · 1.45%–2.45% by balance
Credit union · 1 branch
1.45%APY$145 a year on $10,000Requirements
Product: Membership required with a minimum $5 share deposit. Variable rate determined based on average daily balance maintained for the month. $10.00 per withdrawal or transfer after 6 per month. Minimum $2,500 daily balance to avoid $10 monthly service fee.
Offer: Minimum $2,500 daily balance to avoid $10 monthly service fee.
$10 monthly fee · Effective Oct 5, 2026
Rate by balance
Rate by balance for Impact Money Market Balance APY $2,500 – $49,999Your amount 1.45% $50,000 – $99,999 1.65% $100,000 – $249,999 1.85% $250,000 – $499,999 2.05% $500,000 – $999,999 2.25% $1,000,000 and up 2.45% Rate checked
More details - Great Lakes Credit UnionMoney Market AccountMoney Market Account · $2,500 min
Credit union · 1 branch
1.00%APY$100 a year on $10,000with conditionsRequirements
Product: Requires minimum deposit of $2,500 to open and minimum average daily balance of $2,500 to earn stated dividends. Up to 6 transfers/withdrawals per month. Additional APY available with qualifying Free Checking Account debit card transactions.
Offer: Tier 3: Earn an additional 1.00% APY on accompanying Money Market account with 40 or more Free Checking Account debit card transactions.
Qualified rate
Rate checked
More details - BMOGrowth Money Market AccountGrowth Money Market Account · $25 min · 0.55%–3.01% by balance
Bank · 4 branches
0.80%APY$80 a year on $10,000with conditionsRequirements
Product: $10 monthly maintenance fee is waived for 60 days after account opening or if you hold a minimum daily balance of $5,000. Requires a $25 minimum opening deposit. Variable rate account.
Offer: Relationship rate (Amplify your APY) for balances less than $5,000. Requires being an Account Owner of both a Growth Money Market account and a BMO Relationship Checking account with qualifying activities.
Qualified rate · $10 monthly fee · Effective Oct 16, 2026
Rate by balance
Rate by balance for Growth Money Market Account Balance APY Up to $5,000 0.55% $5,000 – $25,000Your amount 0.80% $25,000 – $100,000 1.16% $100,000 – $250,000 2.21% $250,000 and up 3.01% Rate checked
More details
Carrot Score rates each institution on all its CD, savings, auto loan and credit card rates, not just the account shown. How we rank
What savings accounts pay in Naperville, IL
60 accounts at 19 banks and credit unions · checked Oct 6–22
- Typical
- 0.06%
- Top 10% from
- 2.62%
- Banks, typical
- 0.06%
- Credit unions, typical
- 0.09%
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Chicago, IL-IN metro
Top Carrot institutions
Ranked across their CDs, savings, auto loans and credit cards. How scores work
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