Banks in Sioux County, Iowa
FDIC-insured institutions in Sioux County held $2.9 billion in deposits as of June 30, 2026, according to the FDIC.
9 FDIC-insured institutions held $2.9 billion in deposits in 21 offices in Sioux County at June 30, 2026; American State Bank held the most, 37.9% of the county's.
Sioux County, June 30, 2026
- $2.9 billion
- Deposits in the county
- $2,932,297,000
- At June 30, 2026, against $2.8 billion a year before, each year's own dollars.
- 9
- Institutions with deposits
- FDIC-insured banks and savings institutions with an office here that reported deposits.
- 21
- Offices
- Every office the survey lists here, against 21 in 2025.
- 37.9%
- The largest share
- American State Bank, with $1.1 billion in 9 offices.
Each institution’s share of the county’s deposits
3 more columns on a wider screen
| Institution | Deposits | Share |
|---|---|---|
| American State Bank | $1.1 billion | 37.9% |
| Peoples Bank | $632.3 million | 21.6% |
| Iowa State Bank | $456.7 million | 15.6% |
| Premier Bank | $316.1 million | 10.8% |
| The Security National Bank of Sioux City, Iowa | $155.5 million | 5.3% |
| Northwest Bank | $97.6 million | 3.3% |
| Primebank | $78.1 million | 2.7% |
| Rivers Edge Bank | $61.2 million | 2.1% |
| Citizens State Bank | $24.7 million | 0.8% |
An institution with no office in the county in 2025 shows none for that year; a name is the survey’s for 2026, and one without a link has no page because it did not file a Call Report for the newest quarter.
Sources
- FDIC Summary of Deposits — every office's deposits at June 30, 1994 to the newest survey — Federal Deposit Insurance Corporation · Public domain — U.S. Government work · retrieved September 27, 2026
Compiled automatically from FDIC Summary of Deposits — every office's deposits at June 30, 1994 to the newest survey by a checked SQL query · Editor: Kian O'Connor · How this site is built
Data retrieved