Olmsted County, Minnesota, a core county of the Rochester-Austin-Winona, MN market, holds $5.4B in deposits across 19 insured institutions and 46 branches. Think Mutual Bank is the largest deposit holder at 27.9% share. The top three institutions hold 55.6% of deposits, which places the county in the moderately concentrated band. Deposits have grown 10.2% since 2020 while the branch count fell by 4. It produces $12.9B of output, ranking #306 of the 1,523 counties within a CSA or MSA by economic output.
Deposit trend
Branches: 50 in 2020 to 46 in 2025. Institutions: 19 to 19. Top-three share: 60.6% to 55.6%.
Leading institutions by deposits
| Institution | Deposits | Share | 5‑yr |
|---|---|---|---|
| Think Mutual Bank | $1.5B | 27.9% | +17% |
| Wells Fargo Bank, National Association | $982M | 18.1% | -13% |
| U.S. Bank National Association | $524M | 9.6% | -8% |
| Alerus Financial, National Association | $369M | 6.8% | no 2020 presence |
| Old National Bank | $285M | 5.2% | -33% |
| Premier Bank Minnesota | $270M | 5.0% | no 2020 presence |
| West Bank | $223M | 4.1% | +106% |
| Associated Bank, National Association | $216M | 4.0% | +43% |
| Eagle Rock Bank | $213M | 3.9% | +112% |
| Sterling State Bank | $206M | 3.8% | +10% |
The 10 insured institutions with a branch presence in this county, as of June 30, 2025. Five-year change compares the same institution’s county deposits in 2020 and 2025. Institutions are tracked by FDIC certificate number, and where an institution acquired another bank, the acquired bank’s prior deposits are folded into the baseline so the change reflects the combined, continuing franchise rather than reading as new. Even so, a large gain can reflect acquisition rather than competitive growth; “no 2020 presence” means neither the institution nor a bank it later absorbed reported deposits in this county that year.
Part of the Rochester-Austin-Winona market
Olmsted County is one of 6 counties that make up the Rochester-Austin-Winona, MN market, a Combined Statistical Area (ranked #136 of 293 U.S. markets by economic output). It produces 65.0% of the market’s output and holds 56.3% of its deposits.
| Measure | Olmsted County | Share of Rochester-Austin-Winona market |
|---|---|---|
| 2024 GDP | $12.9B | 65.0% |
| Deposits | $5.4B | 56.3% |
| Population | 166,731 | 51.7% |
View the full Rochester-Austin-Winona market profile →
Recruiting in Olmsted County
Deposits are split among a moderate number of institutions. 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 Olmsted County, on a retained basis.
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