Bank Branches › South Dakota › Dewey County
Banks in Dewey County, South Dakota
Dewey County has 3 bank offices, 1 fewer than its peak of 4 in 2009 (−25%). They belong to 2 banks, led by Western Dakota Bank with 2.
3
offices, 2026
4
peak (2009)
1
no longer reported
$148M
deposits booked
Map
open (3)no longer reported (1)
The county's passbook
Bank offices reporting on June 30Deposits booked at them (nominal dollars, own scale)
| Date | offices | Change | Deposits |
|---|---|---|---|
| Jun 30 1994 | 3 | $23.4M | |
| Jun 30 1995 | 3 | · | $23.0M |
| Jun 30 2000 | 3 | · | $32.8M |
| Jun 30 2005 | 3 | · | $39.5M |
| Jun 30 2009PEAK | 4 | +1 | $50.7M |
| Jun 30 2010 | 4 | · | $53.0M |
| Jun 30 2015 | 4 | · | $81.6M |
| Jun 30 2020 | 4 | · | $106M |
| Jun 30 2025 | 3 | · | $140M |
| Jun 30 2026NOW | 3 | · | $148M |
Open the full passbook — all 33 years ▾
| Date | offices | Change | Deposits |
|---|---|---|---|
| Jun 30 1994 | 3 | $23.4M | |
| Jun 30 1995 | 3 | · | $23.0M |
| Jun 30 1996 | 3 | · | $25.4M |
| Jun 30 1997 | 3 | · | $27.1M |
| Jun 30 1998 | 3 | · | $30.7M |
| Jun 30 1999 | 3 | · | $32.1M |
| Jun 30 2000 | 3 | · | $32.8M |
| Jun 30 2001 | 3 | · | $33.5M |
| Jun 30 2002 | 3 | · | $38.6M |
| Jun 30 2003 | 3 | · | $37.6M |
| Jun 30 2004 | 3 | · | $38.8M |
| Jun 30 2005 | 3 | · | $39.5M |
| Jun 30 2006 | 3 | · | $37.2M |
| Jun 30 2007 | 3 | · | $41.0M |
| Jun 30 2008 | 3 | · | $44.5M |
| Jun 30 2009PEAK | 4 | +1 | $50.7M |
| Jun 30 2010 | 4 | · | $53.0M |
| Jun 30 2011 | 4 | · | $55.2M |
| Jun 30 2012 | 4 | · | $59.9M |
| Jun 30 2013 | 4 | · | $75.9M |
| Jun 30 2014 | 4 | · | $71.8M |
| Jun 30 2015 | 4 | · | $81.6M |
| Jun 30 2016 | 4 | · | $85.1M |
| Jun 30 2017 | 4 | · | $85.0M |
| Jun 30 2018 | 4 | · | $87.6M |
| Jun 30 2019 | 4 | · | $92.2M |
| Jun 30 2020 | 4 | · | $106M |
| Jun 30 2021 | 4 | · | $131M |
| Jun 30 2022 | 4 | · | $128M |
| Jun 30 2023 | 3 | −1 | $130M |
| Jun 30 2024 | 3 | · | $129M |
| Jun 30 2025 | 3 | · | $140M |
| Jun 30 2026NOW | 3 | · | $148M |
Banks in Dewey County
| Bank | Offices | Deposits here |
|---|---|---|
| Western Dakota Bank | 2 | $77.3M |
| State Bank of Eagle Butte | 1 | $70.9M |
Every bank office open in Dewey County
| Bank | Address | Deposits |
|---|---|---|
| State Bank of Eagle ButteState Bank Of Eagle Butte | 305 S Main StEagle Butte 57625 | $70.9M |
| Western Dakota Bank | 803 Main StreetTimber Lake 57656 | $69.5M |
| Western Dakota BankIsabel Branch | 302 North MainIsabel 57633 | $7.8M |
Sorted by deposits booked on June 30, 2026. "Opened" is the establishment date in the FDIC record.
Offices no longer reported
Offices in Dewey County that filed a report in some year from 1994 on and are missing from 2026. Most closed; some were sold to non-banks or converted. Newest departures first.
| Last bank on the sign | Address | Last report |
|---|---|---|
| Western Dakota Bank | Highway 212Eagle Butte 57625 | 2022 |
County FIPS 46041 · 2,302 square miles of land (2024 Census Gazetteer).