Sioux City-Le Mars, IA-NE-SD holds $5.9 billion in deposits across 30 insured institutions and 79 branches, ranking #187 of 293 U.S. markets by economic output. The Security National Bank of Sioux City, Iowa is the largest deposit holder at 17.3% share. The top three institutions hold 35.6% of deposits, which places the market in the fragmented band. Deposits have grown 21% since 2020 while the branch count fell by 6.
Deposit trend
Branches: 85 in 2020 to 79 in 2025. Institutions: 32 to 30. Top-three share: 35.4% to 35.6%. Deposits per branch: $75M.
Leading institutions by deposits
| Institution | Deposits | Share | 5‑yr |
|---|---|---|---|
| The Security National Bank of Sioux City, Iowa | 1.0B | 17.3% | +18% |
| Primebank | 0.6B | 10.0% | +48% |
| Central Bank | 0.5B | 8.3% | +62% |
| American Bank | 0.4B | 7.3% | +48% |
| Wells Fargo Bank | 0.4B | 6.7% | -14% |
| Great Southern Bank | 0.3B | 5.2% | +14% |
| U.S. Bank | 0.3B | 4.8% | +18% |
| Liberty National Bank | 0.3B | 4.8% | +1% |
| Pioneer Bank | 0.3B | 4.5% | +46% |
| Iowa State Bank | 0.2B | 3.6% | +121% |
The 10 largest of 30 insured institutions with a branch presence, as of June 30, 2025. Five-year change compares the same institution's deposits in 2020 and 2025; an acquirer absorbs the balances of banks it bought.
Counties in this market
| County | State | GDP | Population | Share of GDP |
|---|---|---|---|---|
| Woodbury County | Iowa | $5,432M | 106,649 | 50.7% |
| Dakota County | Nebraska | $1,907M | 21,687 | 17.8% |
| Union County | South Dakota | $1,818M | 17,402 | 17.0% |
| Plymouth County | Iowa | $1,561M | 25,697 | 14.6% |
Recruiting in Sioux City
No single institution dominates deposits here, which usually means more competitors of a size where a strong team can move meaningful share. Who holds the deposits, and how contested the market is, shapes both the runway for growth and the competition you would be recruiting against. We recruit commercial relationship managers, banking teams, and market leaders for banks building in markets like this one, on a retained basis.
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