Grant County, Washington, a core county of the Moses Lake-Othello, WA market, holds $1.8B in deposits across 9 insured institutions and 21 branches. Washington Trust Bank is the largest deposit holder at 30.5% share. The top three banks hold 58% of deposits, which places the county in the Moderate band. Deposits have grown 7.7% since 2021. It produced $6.8B of real gross domestic product in 2024, ranking #481 of the 1,523 ranked counties by economic output.
Ranks show where the county stands among the 1,523 ranked counties (those within a Combined or Metropolitan Statistical Area that have a branch). They describe relative position, not a rating of market quality or suitability.
Deposit trend
Branches: 21 in 2021 to 21 in 2026. Institutions: 11 to 9. Top-three share: 54% to 58%.
Institutions by deposits
| Institution | Deposits | Share | 5‑yr deposits |
|---|---|---|---|
| Washington Trust Bank | $534M | 30.5% | +31% |
| U.S. Bank | $278M | 15.8% | +3% |
| JPMorgan Chase Bank | $206M | 11.7% | -2% |
| Glacier Bank | $171M | 9.8% | -1% |
| Columbia Bank | $146M | 8.4% | +3% |
| WaFd Bank | $145M | 8.3% | +3% |
| Banner Bank | $132M | 7.5% | +16% |
| KeyBank | $126M | 7.2% | -21% |
| First Interstate Bank | $14M | 0.8% | +4% |
The 9 insured institutions with a branch presence in this county, per the FDIC Summary of Deposits, June 30, 2026. Five-year change compares the same institution’s county deposits in 2021 and 2026. 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. “No 2021 presence” means neither the institution nor a bank it later absorbed reported deposits in this county that year. Deposit figures are nominal and are not adjusted for inflation.
Part of the Moses Lake-Othello market
Grant County is one of 2 counties that make up the Moses Lake-Othello, WA market, a Combined Statistical Area (ranked #220 of 293 U.S. markets by economic output). It produces 86.1% of the market’s output and holds 85.7% of its deposits.
| Measure | Grant County | Share of parent market |
|---|---|---|
| 2024 GDP | $6.8B | 86.1% |
| Deposits | $1.8B | 85.7% |
| Population | 105,727 | 83.1% |
View the full Moses Lake-Othello market profile →
Recruiting in Grant 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 Grant County.
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