Bank BranchesEvery insured bank office · FDIC · 1994–2026

Bank Branches › Montana › Musselshell County › 401 Main St

Full-service office · FDIC office no. 14123

First Security Bank of Roundup
401 Main St, Roundup, MT 59072

Open · June 2026

$81.8M
deposits, 2026
1971
established
1st
of 1 in county
1
name on the sign
This office's passbook1994–2026
DateBank on the signDepositsChange
Jun 30 2026First Security Bank of Roundup$81.8M+7%
Jun 30 2025First Security Bank of Roundup$76.6M+7%
Jun 30 2024First Security Bank of Roundup$71.9M−8%
Jun 30 2023First Security Bank of Roundup$78.1M+1%
Jun 30 2022First Security Bank of Roundup$77.4M+5%
Jun 30 2021First Security Bank of Roundup$73.6M+13%
Jun 30 2020First Security Bank of Roundup$64.9M+17%
Jun 30 2019First Security Bank of Roundup$55.7M+8%
Jun 30 2018First Security Bank of Roundup$51.4M+18%
Jun 30 2017First Security Bank of Roundup$43.7M+6%
Jun 30 2016First Security Bank of Roundup$41.4M−10%
Jun 30 2015First Security Bank of Roundup$46.1M+7%
Jun 30 2014First Security Bank of Roundup$43.0M+1%
Jun 30 2013First Security Bank of Roundup$42.5M+2%
Jun 30 2012First Security Bank of Roundup$41.6M+3%
Jun 30 2011First Security Bank of Roundup$40.2M+9%
Jun 30 2010First Security Bank of Roundup$36.9M−1%
Jun 30 2009First Security Bank of Roundup$37.5M+8%
Jun 30 2008First Security Bank of Roundup$34.8M+9%
Jun 30 2007First Security Bank of Roundup$32.1M0%
Jun 30 2006First Security Bank of Roundup$32.0M−2%
Jun 30 2005First Security Bank of Roundup$32.6M+3%
Jun 30 2004First Security Bank of Roundup$31.6M−7%
Jun 30 2003First Security Bank of Roundup$33.9M+2%
Jun 30 2002First Security Bank of Roundup$33.3M−1%
Jun 30 2001First Security Bank of Roundup$33.7M+4%
Jun 30 2000First Security Bank of Roundup$32.6M0%
Jun 30 1999First Security Bank of Roundup$32.5M+4%
Jun 30 1998First Security Bank of Roundup$31.2M+6%
Jun 30 1997First Security Bank of Roundup$29.5M−2%
Jun 30 1996First Security Bank of Roundup$29.9M+7%
Jun 30 1995First Security Bank of Roundup$28.1M−3%
Jun 30 1994First Security Bank of Roundup$29.0M
1971-09-03Office established (FDIC record) — 23 years before this passbook begins

All banks in Musselshell County →
Every First Security Bank of Roundup office →
Earlier names and banks folded into First Security Bank of Roundup →

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) 14123.