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One American Bank
✓ FDIC-insured · Active FDIC Certificate #6078
One American Bank is an FDIC-insured state-chartered bank that is not a Federal Reserve member (supervised by the FDIC), headquartered in Centerville, South Dakota, established in 1883. As of the 06/30/2026 FDIC call report, it reported $285M in total assets and $232M in deposits. FDIC location data lists 3 offices in South Dakota. The FDIC classifies it as a community bank. It is owned by the holding company ONE AMERICAN FINANCIAL CORP (Sioux Falls, SD).
Financial data as of the 06/30/2026 FDIC call report.
Where it operates
All 3 of One American Bank's FDIC-listed offices are in South Dakota. Browse banks in Centerville for other local options.
Branch locations
| One American Bank 49th St · Full Service - Brick And Mortar | 3310 W 49th St Sioux Falls, SD 57106 Map ↗ |
| One American Bank One American Bank · Full Service - Brick And Mortar | 549 Broadway St Centerville, SD 57014 Map ↗ |
| One American Bank Sioux Falls Branch · Full Service - Brick And Mortar | 515 S Minnesota Ave Sioux Falls, SD 57104 Map ↗ |
Holding company: ONE AMERICAN FINANCIAL CORP
The FDIC lists ONE AMERICAN FINANCIAL CORP, based in Sioux Falls, SD, as the top holding company for One American Bank. The FDIC shows no other active insured banks under the same holding company.
Similar-size banks in South Dakota
Active FDIC-insured banks headquartered in South Dakota with total assets closest to One American Bank's $285M. See all banks in South Dakota.
| Bank | HQ city | Assets | Offices |
|---|---|---|---|
| Rivers Edge Bank | Marion | $357M | 5 |
| Frontier Bank | Sioux Falls | $349M | 5 |
| Security Bank Midwest | Tyndall | $304M | 6 |
| Commercial State Bank, of Wagner | Wagner | $260M | 1 |
| Farmers State Bank | Parkston | $255M | 3 |
| Security National Bank of South Dakota | Dakota Dunes | $251M | 3 |
| Quoin Financial Bank | Miller | $251M | 3 |
| Campbell County Bank, Inc. | Herreid | $241M | 4 |
One American Bank: common questions
Is One American Bank FDIC-insured?
Yes. One American Bank is an active FDIC-insured institution, FDIC Certificate #6078. Deposits are insured up to $250,000 per depositor, per ownership category. You can confirm this on FDIC BankFind.
Where is One American Bank headquartered?
One American Bank is headquartered at 549 Broadway St, Centerville, SD 57014, according to FDIC records.
How many branches does One American Bank have?
FDIC location data lists 3 offices for One American Bank, all in South Dakota.
Who owns One American Bank?
The FDIC lists ONE AMERICAN FINANCIAL CORP of Sioux Falls, SD as the top holding company for One American Bank.
Source: FDIC BankFind Suite (institution, location, and call report data). BankNearMe.com does not rank or rate banks.