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Security Bank Midwest
✓ FDIC-insured · Active FDIC Certificate #485
Security Bank Midwest is an FDIC-insured state-chartered bank that is not a Federal Reserve member (supervised by the FDIC), headquartered in Tyndall, South Dakota, established in 1932. As of the 06/30/2026 FDIC call report, it reported $304M in total assets and $239M in deposits. FDIC location data lists 6 offices across 2 states and territories, with the most in South Dakota (4). The FDIC classifies it as a community bank. It is owned by the holding company MIDWEST BANCSHARES INC (Tyndall, SD).
Financial data as of the 06/30/2026 FDIC call report.
Branches by state
Security Bank Midwest has offices in 2 states and territories. Counts come from the FDIC's institution location records.
| State | Offices | Share |
|---|---|---|
| South Dakota | 4 | 66.7% |
| Minnesota | 2 | 33.3% |
Branch locations
| Security Bank Midwest Heron Lake Br · Full Service - Brick And Mortar | 274 10th St Heron Lake, MN 56137 Map ↗ |
| Security Bank Midwest Jackson, Mn Branch · Full Service - Brick And Mortar | 202 Grant St Jackson, MN 56143 Map ↗ |
| Security Bank Midwest Security Bank Midwest · Full Service - Brick And Mortar | 1600 Main St Tyndall, SD 57066 Map ↗ |
| Security Bank Midwest Viborg Branch · Full Service - Retail | 105 N. Main Street Viborg, SD 57070 Map ↗ |
| Security Bank Midwest Lennox Branch · Full Service - Brick And Mortar | 200 Security Drive Lennox, SD 57039 Map ↗ |
| Security Bank Midwest Chancellor Branch · Full Service - Brick And Mortar | 221 Main St Chancellor, SD 57015 Map ↗ |
Holding company: MIDWEST BANCSHARES INC
The FDIC lists MIDWEST BANCSHARES INC, based in Tyndall, SD, as the top holding company for Security Bank Midwest. 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 Security Bank Midwest's $304M. See all banks in South Dakota.
| Bank | HQ city | Assets | Offices |
|---|---|---|---|
| BankStar Financial | Elkton | $363M | 3 |
| Rivers Edge Bank | Marion | $357M | 5 |
| Frontier Bank | Sioux Falls | $349M | 5 |
| One American Bank | Centerville | $285M | 3 |
| 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 |
Security Bank Midwest: common questions
Is Security Bank Midwest FDIC-insured?
Yes. Security Bank Midwest is an active FDIC-insured institution, FDIC Certificate #485. Deposits are insured up to $250,000 per depositor, per ownership category. You can confirm this on FDIC BankFind.
Where is Security Bank Midwest headquartered?
Security Bank Midwest is headquartered at 1600 Main St, Tyndall, SD 57066, according to FDIC records.
How many branches does Security Bank Midwest have?
FDIC location data lists 6 offices for Security Bank Midwest in 2 states and territories. The most are in South Dakota (4), followed by Minnesota (2).
Who owns Security Bank Midwest?
The FDIC lists MIDWEST BANCSHARES INC of Tyndall, SD as the top holding company for Security Bank Midwest.
Source: FDIC BankFind Suite (institution, location, and call report data). BankNearMe.com does not rank or rate banks.