Skip to content

Banks in Mason County, Washington

FDIC-insured institutions in Mason County held $372.0 million in deposits as of June 30, 2026, according to the FDIC.

4 FDIC-insured institutions held $372.0 million in deposits in 6 offices in Mason County at June 30, 2026; KeyBank National Association held the most, 33.0% of the county's.

Mason County, June 30, 2026

$372.0 million
Deposits in the county
$371,992,000
At June 30, 2026, against $375.9 million a year before, each year's own dollars.
4
Institutions with deposits
FDIC-insured banks and savings institutions with an office here that reported deposits.
6
Offices
Every office the survey lists here, against 6 in 2025.
33.0%
The largest share
KeyBank National Association, with $122.7 million in 2 offices.

Each institution’s share of the county’s deposits

3 more columns on a wider screen

FDIC-insured institutions with an office in Mason County, Washington, by deposits there at June 30, 2026, each with its share of the county's $372.0 million
InstitutionDepositsShare
KeyBank National Association$122.7 million33.0%
Heritage Bank$113.7 million30.6%
Columbia Bank$84.1 million22.6%
Olympia Federal Savings and Loan Association$51.5 million13.8%

An institution with no office in the county in 2025 shows none for that year; a name is the survey’s for 2026, and one without a link has no page because it did not file a Call Report for the newest quarter.

Sources

Compiled automatically from FDIC Summary of Deposits — every office's deposits at June 30, 1994 to the newest survey by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved