Tyndall, SD
Bank Security Bank Midwest
Security Bank Midwest is a federally insured bank based in Tyndall, South Dakota.
- Type
- Bank
- Charter
- State-chartered commercial bank, not a Federal Reserve member
- Primary regulator
- FDIC
- Established
- November 1, 1932
- Headquarters
- Tyndall, SD
- FDIC certificate #
- 485
- Fed RSSD ID
- 435255
- Holding company
- Midwest Bancshares Inc
- Website
- www.sbmidwest.bank
$321.9M
Total assets Data as of Q1 2026
$246.1M
Total deposits Data as of Q1 2026
6
Branch locations Data as of Q1 2026
$752K
Net income Data as of Q1 2026
0.93%
Return on assets Data as of Q1 2026
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026
Branches by state
Security Bank Midwest operates 6 branch locations across 2 states. Select a state to drill down to its towns and individual branches.
Ownership
Security Bank Midwest is owned by Midwest Bancshares Inc. See the full ownership & merger history.
Security Bank Midwest financial summary
Other banks in South Dakota
Federally insured banks headquartered in South Dakota, by total assets.
- Citibank, National Association $1.93T
- Wells Fargo Bank, National Association $1.85T
- The Bancorp Bank, National Association $9.9B
- Pathward, National Association $7.11B
- First Bank & Trust $4.87B
- Dacotah Bank $4.87B
- First PREMIER Bank $3.55B
- First Dakota National Bank $3.3B
Similar-size banks
Institutions close to Security Bank Midwest’s $321.9M in assets.
- The First National Bank of Hughes Springs $321.6M
- Craft Bank $322.4M
- Bank of Millbrook $322.4M
- Decatur County Bank $321.2M
- The First National Bank in Amboy $321.2M
- First Bank Blue Earth $321.2M