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Bank Deposits in Mason County, Washington
Where bank deposits are booked in Mason County - FDIC Summary of Deposits, June 30, 2026.
Total bank deposits
$371.99M
Bank offices
6
Banks present
4
Top 4 banks' share
100.0%
Deposit market share in Mason County
| # | Bank | Branch deposits here | Share |
|---|---|---|---|
| 1 | Keybank National Association | $122.72M | 33.0% |
| 2 | Heritage Bank | $113.70M | 30.6% |
| 3 | Columbia Bank | $84.09M | 22.6% |
| 4 | Olympia Federal Savings And Loan Association | $51.48M | 13.8% |
Credit unions with branches in Mason County
- Our Community - 3 branches
- Peninsula Community - 2 branches
- Kitsap - 1 branch
Credit unions do not report deposits by branch, so only bank deposits are ranked above.
Deposits are booked at the branch office that holds them (FDIC Summary of Deposits), which is not always where the depositor lives - online banks concentrate deposits at a few offices.
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