Bank Branches › Montana › Madison County
Banks in Madison County, Montana
Madison County has 4 bank offices, 1 fewer than its peak of 5 in 2007 (−20%). They belong to 3 banks, led by Opportunity Bank of Montana with 2.
4
offices, 2026
5
peak (2007)
1
no longer reported
$304M
deposits booked
Map
open (4)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 | $51.2M | |
| Jun 30 1995 | 3 | · | $51.7M |
| Jun 30 2000 | 3 | · | $69.4M |
| Jun 30 2005 | 4 | · | $115M |
| Jun 30 2007PEAK | 5 | +1 | $129M |
| Jun 30 2010 | 5 | · | $143M |
| Jun 30 2015 | 4 | · | $169M |
| Jun 30 2020 | 4 | · | $233M |
| Jun 30 2025 | 4 | · | $286M |
| Jun 30 2026NOW | 4 | · | $304M |
Open the full passbook — all 33 years ▾
| Date | offices | Change | Deposits |
|---|---|---|---|
| Jun 30 1994 | 3 | $51.2M | |
| Jun 30 1995 | 3 | · | $51.7M |
| Jun 30 1996 | 3 | · | $53.6M |
| Jun 30 1997 | 3 | · | $59.7M |
| Jun 30 1998 | 3 | · | $65.1M |
| Jun 30 1999 | 3 | · | $66.9M |
| Jun 30 2000 | 3 | · | $69.4M |
| Jun 30 2001 | 3 | · | $75.5M |
| Jun 30 2002 | 4 | +1 | $93.0M |
| Jun 30 2003 | 4 | · | $105M |
| Jun 30 2004 | 4 | · | $107M |
| Jun 30 2005 | 4 | · | $115M |
| Jun 30 2006 | 4 | · | $126M |
| Jun 30 2007PEAK | 5 | +1 | $129M |
| Jun 30 2008 | 5 | · | $143M |
| Jun 30 2009 | 5 | · | $149M |
| Jun 30 2010 | 5 | · | $143M |
| Jun 30 2011 | 5 | · | $146M |
| Jun 30 2012 | 4 | −1 | $148M |
| Jun 30 2013 | 4 | · | $154M |
| Jun 30 2014 | 4 | · | $165M |
| Jun 30 2015 | 4 | · | $169M |
| Jun 30 2016 | 4 | · | $181M |
| Jun 30 2017 | 4 | · | $186M |
| Jun 30 2018 | 4 | · | $200M |
| Jun 30 2019 | 4 | · | $208M |
| Jun 30 2020 | 4 | · | $233M |
| Jun 30 2021 | 4 | · | $279M |
| Jun 30 2022 | 4 | · | $299M |
| Jun 30 2023 | 4 | · | $288M |
| Jun 30 2024 | 4 | · | $283M |
| Jun 30 2025 | 4 | · | $286M |
| Jun 30 2026NOW | 4 | · | $304M |
Banks in Madison County
| Bank | Offices | Deposits here |
|---|---|---|
| Opportunity Bank of Montana | 2 | $111M |
| Madison Valley Bank | 1 | $147M |
| First Interstate Bank | 1 | $46.1M |
Every bank office open in Madison County
| Bank | Address | Deposits |
|---|---|---|
| Madison Valley Bank | 213 E Main StEnnis 59729 | $147M |
| Opportunity Bank of MontanaSheridan Office Branch | 103 N Main StSheridan 59749 | $61.7M |
| Opportunity Bank of MontanaTwin Bridges Branch | 107 S Main StTwin Bridges 59754 | $49.0M |
| First Interstate BankEnnis Branch | 118 W Williams StEnnis 59729 | $46.1M |
Sorted by deposits booked on June 30, 2026. "Opened" is the establishment date in the FDIC record.
Offices no longer reported
Offices in Madison 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 |
|---|---|---|
| First Madison Valley Bank | 4900 US Hwy 287 NEnnis 59729 | 2011 |
County FIPS 30057 · 3,588 square miles of land (2024 Census Gazetteer).