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Banks in Dewey County, South Dakota

FDIC-insured institutions in Dewey County held $148.2 million in deposits as of June 30, 2026, according to the FDIC.

2 FDIC-insured institutions held $148.2 million in deposits in 3 offices in Dewey County at June 30, 2026; Western Dakota Bank held the most, 52.2% of the county's.

Dewey County, June 30, 2026

$148.2 million
Deposits in the county
$148,180,000
At June 30, 2026, against $140.2 million a year before, each year's own dollars.
2
Institutions with deposits
FDIC-insured banks and savings institutions with an office here that reported deposits.
3
Offices
Every office the survey lists here, against 3 in 2025.
52.2%
The largest share
Western Dakota Bank, with $77.3 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 Dewey County, South Dakota, by deposits there at June 30, 2026, each with its share of the county's $148.2 million
InstitutionDepositsShare
Western Dakota Bank$77.3 million52.2%
State Bank of Eagle Butte$70.9 million47.8%

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