Bank · FDIC insured
Security Bank Savings Rates
A $253.8M bank headquartered in New Auburn, WI, with 4 branches in Wisconsin.
How Security Bank’s savings rates compare
Compared with banks and credit unions in Wisconsin, where Security Bank has the most branches. $10,000, best rate first.
This bank’s best
Security Bank
0.15%APY
- Requires
- Conditions apply
- Minimum
- $5,000
- Earns on $10,000 a year
- $15
Youth Savings
Top rate
Marshfield Medical Center Credit Union
5.00%APY
- Requires
- Monthly account activity
- Minimum
- $5
- Earns on $10,000 a year
- $500
2nd-highest rate
Flagstar Bank
4.00%APY
- Requires
- None
- Minimum
- $1
- Earns on $10,000 a year
- $400
Every rate
Current savings rates
Rates from the bank’s website. Earnings assume the rate doesn’t change.
Special-purpose accounts
Youth Savings
0.15%APY
For more than one withdrawal per month, charged $1.00 per withdrawal. Interest credited quarterly.
| Balance | APY | Earns on $10,000 a yearEarns | Requirement |
|---|---|---|---|
| Up to $500Applies to daily balance of $500 or less. | 5.00% | — | Applies to daily balance of $500 or less. |
| $500 – $5,000 | 2.50% | — | |
| $5,000 and upAn interest rate of .15% is paid only for the portion of the daily balance which is greater than $5,000. | 0.15% | $15 | An interest rate of .15% is paid only for the portion of the daily balance which is greater than $5,000. |
Sources (1)
- securityonlinebank.com/Savings · captured Sep 18, 2026
Opening an account
Confirm the bank’s opening requirements and whether the account is available where you live. A nearby branch does not establish eligibility for every rate.