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Reliabank Dakota
✓ FDIC-insured · Active FDIC Certificate #16221
Reliabank Dakota is an FDIC-insured state-chartered bank that is not a Federal Reserve member (supervised by the FDIC), headquartered in Estelline, South Dakota, established in 1920. As of the 06/30/2026 FDIC call report, it reported $788M in total assets and $664M in deposits. FDIC location data lists 10 offices in South Dakota. The FDIC classifies it as a community bank. It is owned by the holding company BIG SIOUX FINANCIAL INC (Estelline, SD).
Financial data as of the 06/30/2026 FDIC call report.
Where it operates
All 10 of Reliabank Dakota's FDIC-listed offices are in South Dakota. Browse banks in Estelline for other local options.
Branch locations
| Reliabank Dakota Reliabank Dakota · Full Service - Brick And Mortar | 211 Main St N Estelline, SD 57234 Map ↗ |
| Reliabank Dakota Hazel Branch · Full Service - Brick And Mortar | 11 W William St Hazel, SD 57242 Map ↗ |
| Reliabank Dakota Humboldt Branch · Full Service - Brick And Mortar | 1003 W 2nd Ave Humboldt, SD 57035 Map ↗ |
| Reliabank Dakota Tea Branch · Full Service - Brick And Mortar | 720 E Kevin Dr Tea, SD 57064 Map ↗ |
| Reliabank Dakota Watertown Branch · Full Service - Brick And Mortar | 1401 4th St Ne Watertown, SD 57201 Map ↗ |
| Reliabank Dakota Hayti Branch · Full Service - Brick And Mortar | 117 Main Avenue Hayti, SD 57241 Map ↗ |
| Reliabank Dakota Watertown Sw Branch · Full Service - Brick And Mortar | 830 10th St Sw Watertown, SD 57201 Map ↗ |
| Reliabank Dakota Hartford Branch · Full Service - Brick And Mortar | 304 W Sd Highway 38 Hartford, SD 57033 Map ↗ |
| Reliabank Dakota Sioux Falls Branch · Full Service - Brick And Mortar | 608 W 86th St Sioux Falls, SD 57108 Map ↗ |
| Reliabank Dakota Reliabank Dakota - Colton, Sd Branch · Full Service - Brick And Mortar | 200 E. 4th St. Colton, SD 57018 Map ↗ |
Holding company: BIG SIOUX FINANCIAL INC
The FDIC lists BIG SIOUX FINANCIAL INC, based in Estelline, SD, as the top holding company for Reliabank Dakota. 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 Reliabank Dakota's $788M. See all banks in South Dakota.
| Bank | HQ city | Assets | Offices |
|---|---|---|---|
| 1st Financial Bank USA | Dakota Dunes | $1.4B | 2 |
| Plains Commerce Bank | Sioux Falls | $1.3B | 8 |
| Pioneer Bank & Trust | Belle Fourche | $1.0B | 7 |
| First Fidelity Bank | Burke | $717M | 11 |
| Security Savings Bank | Canton | $557M | 8 |
| Black Hills Community Bank, N.A. | Rapid City | $490M | 2 |
| First National Bank | Oldham | $478M | 14 |
| First National Bank in Philip | Philip | $458M | 2 |
Reliabank Dakota: common questions
Is Reliabank Dakota FDIC-insured?
Yes. Reliabank Dakota is an active FDIC-insured institution, FDIC Certificate #16221. Deposits are insured up to $250,000 per depositor, per ownership category. You can confirm this on FDIC BankFind.
Where is Reliabank Dakota headquartered?
Reliabank Dakota is headquartered at 211 Main St N, Estelline, SD 57234, according to FDIC records.
How many branches does Reliabank Dakota have?
FDIC location data lists 10 offices for Reliabank Dakota, all in South Dakota.
Who owns Reliabank Dakota?
The FDIC lists BIG SIOUX FINANCIAL INC of Estelline, SD as the top holding company for Reliabank Dakota.
Source: FDIC BankFind Suite (institution, location, and call report data). BankNearMe.com does not rank or rate banks.