1st Security Bank of Washington holds $2.6B in deposits across 12 counties in 2 ranked markets and 2 states. Its deposit footprint is concentrated in Washington: the top three counties (Snohomish County, Grays Harbor County, and Clallam County) hold 57% of its deposits. It ranks among the three largest institutions in 4 of the 12 counties where it operates.
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Data as of June 30, 2025 (FDIC Summary of Deposits)
| County | Deposits | County’s % of Bank’s Deposits | Bank’s % of County Deposits | Branches |
|---|---|---|---|---|
| Snohomish County, WA | $962M | 37.5% | 5.0% | 4 |
| Grays Harbor County, WA | $263M | 10.2% | 18.7% | 6 |
| Clallam County, WA | $247M | 9.6% | 8.8% | 2 |
| Jefferson County, WA | $226M | 8.8% | 24.8% | 2 |
| King County, WA | $137M | 5.3% | 0.1% | 2 |
| Lincoln County, OR | $129M | 5.0% | 10.8% | 2 |
| Pierce County, WA | $125M | 4.9% | 0.8% | 2 |
| Thurston County, WA | $120M | 4.7% | 2.3% | 2 |
| Klickitat County, WA | $107M | 4.2% | 25.4% | 2 |
| Tillamook County, OR | $89M | 3.5% | 14.9% | 2 |
| Kitsap County, WA | $82M | 3.2% | 1.9% | 2 |
| Malheur County, OR | $78M | 3.0% | 16.1% | 1 |
Deposits are as reported to the FDIC at branch level, June 30, 2025, and are nominal. “County’s % of Bank’s Deposits” is this county’s share of the institution’s total deposits; “Bank’s % of County Deposits” is this institution’s deposits as a percent of all deposits booked in that county. Counties within a Combined or Metropolitan Statistical Area link to their full profile; other counties are shown for completeness.
All 293 markets and the 1,523 counties with a branch within a CSA or MSA are covered in the Market Intelligence resource. See the methodology for how each figure is built and when to expect updates, or the disclaimer for how this data should, and should not, be read.
1st Security Bank of Washington is named on this page solely to describe publicly reported FDIC deposit data. Its appearance does not imply any affiliation between 1st Security Bank of Washington and The Executive Recruiter Group, or endorsement by either.