Every FDIC-insured bank branch in Woodbury County, Iowa as of June 30, 2025. County land area: 873 square miles, 5.2 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| The Security National Bank of Sioux City, Iowa | 6 | $967.8M |
| Central Bank | 5 | $426.2M |
| Great Southern Bank | 5 | $280.9M |
| United Bank of Iowa | 4 | $90.3M |
| Pioneer Bank | 3 | $201.1M |
| BankFirst | 3 | $45.9M |
| Wells Fargo Bank, National Association | 3 | $395.4M |
| U.S. Bank National Association | 3 | $282.2M |
| Primebank | 2 | $219.2M |
| First Interstate Bank | 1 | $18.2M |
| Availa Bank | 1 | $76.7M |
| F&M Bank | 1 | $1.8M |
| The Shelby County State Bank | 1 | $18.2M |
| Peoples Bank | 1 | $68.9M |
| First Security Bank | 1 | $16.4M |
| Northwest Bank | 1 | $112.9M |
| Midstates Bank, National Association | 1 | $24.9M |
| Liberty National Bank | 1 | $42.1M |
| Sloan State Bank | 1 | $53.7M |
| FNB Bank | 1 | $23.9M |