Bank BranchesEvery insured bank office · FDIC · 1994–2026

Bank Branches › Montana › Madison County › 118 W Williams St

Full-service office · FDIC office no. 364192

First Interstate Bank
118 W Williams St, Ennis, MT 59729

Open · June 2026

$46.1M
deposits, 2026
2001
established
4th
of 4 in county
3
names on the sign
This office's passbook2002–2026
DateBank on the signDepositsChange
Jun 30 2026First Interstate Bank$46.1M+7%
Jun 30 2025First Interstate Bank$43.2M−5%
Jun 30 2024First Interstate Bank$45.6M−10%
Jun 30 2023First Interstate Bank$50.6M+12%
Jun 30 2022First Interstate Bank$45.0M+11%
Jun 30 2021First Interstate Bank$40.5M+26%
Jun 30 2020First Interstate Bank$32.1M−3%
Jun 30 2019First Interstate Bank$33.1M+35%
Jun 30 2018First Interstate Bank$24.5M+9%
Jun 30 2017First Interstate BankNEW NAME$22.4M+24%
Jun 30 2016Flathead Bank of Bigfork, Montana$18.1M−1%
Jun 30 2015Flathead Bank of Bigfork, Montana$18.3M+8%
Jun 30 2014Flathead Bank of Bigfork, Montana$16.9M+5%
Jun 30 2013Flathead Bank of Bigfork, Montana$16.1M0%
Jun 30 2012Flathead Bank of Bigfork, Montana$16.0M+15%
Jun 30 2011Flathead Bank of Bigfork, Montana$13.9M+7%
Jun 30 2010Flathead Bank of Bigfork, Montana$12.9M−16%
Jun 30 2009Flathead Bank of Bigfork, Montana$15.4M+25%
Jun 30 2008Flathead Bank of Bigfork, Montana$12.4M+1%
Jun 30 2007Flathead Bank of Bigfork, Montana$12.3M0%
Jun 30 2006Flathead Bank of Bigfork, Montana$12.2M+14%
Jun 30 2005Flathead Bank of Bigfork, Montana$10.7M+42%
Jun 30 2004Flathead Bank of Bigfork, Montana$7.6M−10%
Jun 30 2003Flathead Bank of Bigfork, MontanaNEW NAME$8.4M+33%
Jun 30 2002Valley Bank of Belgrade$6.3M
2001-06-26Office established (FDIC record) — 1 years before this passbook begins

Nearest other open offices in Madison County

  1. 0.2 miMadison Valley Bank · 213 E Main St, Ennis
  2. 23.8 miOpportunity Bank of Montana · 103 N Main St, Sheridan
  3. 32.0 miOpportunity Bank of Montana · 107 S Main St, Twin Bridges

All banks in Madison County →
Every First Interstate Bank office →
Earlier names and banks folded into First Interstate Bank →

Names on the sign

2002–2002Valley Bank of Belgrade2003–2016Flathead Bank of Bigfork, Montana2017–nowFirst Interstate Bank

The FDIC office number stays with the building when banks merge or rename, so the same office appears under each owner. Follow an earlier name to see what became of that bank.

Deposits are the balances the bank assigned to this office on June 30 of each year, in nominal dollars. Source: FDIC Summary of Deposits, office (UNINUMBR) 364192.