Ion Bank


Overview / Commentary
203-729-4442
87 Church Street
Naugatuck, CT 06770

Ion Bank is headquartered in NAUGATUCK and is the 6th largest bank in the state of Connecticut. It is also the 554th largest bank in the nation. It was established in 1870 and as of March of 2025, it had grown to 318 employees at 26 locations. Ion Bank's money market rates are 3X the national average, and it has an A health rating.

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Health

Health Grade Components

Overall
FDIC Certificate #18198
Year Established1870
Employees318
Primary RegulatorFDIC
Profit Margin
Return on Assets - YTD1.02%
Return on Equity - YTD10.01%
Annual Interest Income$26.7MM
Assets and Liabilities
AssetsQ1 2025vs Q1 2024$2.16B$2.1B
LoansQ1 2025vs Q1 2024$1.65B$1.52B
DepositsQ1 2025vs Q1 2024$1.85B$1.76B
Equity CapitalQ1 2025vs Q1 2024$219MM$198.5MM
Loan Loss AllowanceQ1 2025vs Q1 2024$17.8MM$17.7MM
Unbacked Noncurrent LoansQ1 2025vs Q1 2024$5.4MM$4.2MM
Real Estate OwnedQ1 2025vs Q1 2024$5.4MM$5.4MM
Rates
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Always verify rates and promotions with the bank or credit union. We are not Ion Bank; we are a rate comparison website and cannot provide official rates or promotions.

* The APY shown varies based on the deposit amount. Expand the listing to see APYs for other deposit amounts.

Ion Bank Savings Account Rates

APYMINMAXACCOUNT NAMEVIEW DETAILS
1.95%*$100k*-Ka-Ching! Savings
OTHER TIERS: 0.70% $50 - $10k | 1.30% $10k - $100k
0.95%*$100k*-Statement Savings
OTHER TIERS: 0.05% $50 - $10k | 0.55% $10k - $100k
0.70%*$100k*-Passbook Savings
OTHER TIERS: 0.05% $50 - $10k | 0.45% $10k - $100k
0.20%*$100k*-eSavings
OTHER TIERS: 0.05% $50 - $10k | 0.10% $10k - $100k
0.10%*$5k*-Health Savings Account
OTHER TIERS: 0.05% $50 - $5k

Ion Bank Money Market Rates

APYMINMAXACCOUNT NAMEVIEW DETAILS
1.45%*$250k*-Money Market Accounts
OTHER TIERS: 0.05% $50 - $10k | 0.45% $10k - $100k | 0.95% $100k - $250k

Ion Bank Checking Account Rates

APYMINMAXACCOUNT NAMEVIEW DETAILS
0.20%*$10k*-Preferred Checking
OTHER TIERS: 0.05% $50 - $1k | 0.10% $1k - $10k

Ion Bank CD Rates

APYMINMAXACCOUNT NAMEVIEW DETAILS
4.00%$500$250k4 Month CD
3.25%$500-25 Month CD (Credit-Builder Loan Program)
3.00%$500-13 Month CD (Credit-Builder Loan Program)
1.00%$500-24 Month CD
1.00%$500-60 Month CD
0.95%$500-12 Month CD
0.85%$500-36 Month CD
0.85%$500-48 Month CD
0.80%$500-6 Month CD
0.80%$500-9 Month CD
0.80%$500-18 Month CD
0.80%$500-30 Month CD
0.65%$500-3 Month CD

Ion Bank IRA Rates

APYMINMAXACCOUNT NAMEVIEW DETAILS
4.00%$500$250k4 Month IRA
1.00%$500-24 Month IRA
1.00%$500-60 Month IRA
0.95%$500-12 Month IRA
0.85%$500-36 Month IRA
0.85%$500-48 Month IRA
0.80%$500-6 Month IRA
0.80%$500-9 Month IRA
0.80%$500-18 Month IRA
0.80%$500-30 Month IRA
0.65%$500-3 Month IRA
Locations

Availability



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