Bank Branches › Montana › Sheridan County › 115 E 1st Ave
Full-service office · FDIC office no. 7063
Glacier Bank
115 E 1st Ave, Plentywood, MT 59254
Open · June 2026
$87.8M
deposits, 2026
1912
established
1st
of 4 in county
4
names on the sign
| Date | Bank on the sign | Deposits | Change |
|---|---|---|---|
| Jun 30 2026 | Glacier Bank | $87.8M | −2% |
| Jun 30 2025 | Glacier BankNEW NAME | $89.5M | −11% |
| Jun 30 2024 | HTLF BankNEW NAME | $100M | −2% |
| Jun 30 2023 | Rocky Mountain Bank | $102M | −16% |
| Jun 30 2022 | Rocky Mountain Bank | $121M | +11% |
| Jun 30 2021 | Rocky Mountain Bank | $109M | +3% |
| Jun 30 2020 | Rocky Mountain Bank | $105M | +4% |
| Jun 30 2019 | Rocky Mountain Bank | $102M | −1% |
| Jun 30 2018 | Rocky Mountain Bank | $102M | −6% |
| Jun 30 2017 | Rocky Mountain Bank | $109M | −4% |
| Jun 30 2016 | Rocky Mountain Bank | $114M | 0% |
| Jun 30 2015 | Rocky Mountain Bank | $114M | +6% |
| Jun 30 2014 | Rocky Mountain Bank | $108M | −1% |
| Jun 30 2013 | Rocky Mountain Bank | $109M | −1% |
| Jun 30 2012 | Rocky Mountain Bank | $110M | +3% |
| Jun 30 2011 | Rocky Mountain Bank | $106M | +11% |
| Jun 30 2010 | Rocky Mountain Bank | $95.9M | +5% |
| Jun 30 2009 | Rocky Mountain Bank | $91.4M | +5% |
| Jun 30 2008 | Rocky Mountain Bank | $87.4M | +18% |
| Jun 30 2007 | Rocky Mountain Bank | $74.3M | +6% |
| Jun 30 2006 | Rocky Mountain Bank | $69.8M | +6% |
| Jun 30 2005 | Rocky Mountain Bank | $65.9M | +3% |
| Jun 30 2004 | Rocky Mountain Bank | $64.1M | −1% |
| Jun 30 2003 | Rocky Mountain Bank | $64.8M | +7% |
| Jun 30 2002 | Rocky Mountain Bank | $60.5M | −1% |
| Jun 30 2001 | Rocky Mountain Bank | $61.2M | +5% |
| Jun 30 2000 | Rocky Mountain Bank | $58.4M | +2% |
| Jun 30 1999 | Rocky Mountain Bank | $57.3M | +1% |
| Jun 30 1998 | Rocky Mountain Bank | $56.5M | +2% |
| Jun 30 1997 | Rocky Mountain Bank | $55.2M | −3% |
| Jun 30 1996 | Rocky Mountain BankNEW NAME | $56.7M | +2% |
| Jun 30 1995 | Security State Bank, Plentywood, Montana | $55.5M | +2% |
| Jun 30 1994 | Security State Bank, Plentywood, Montana | $54.3M | |
| 1912-09-01 | Office established (FDIC record) — 82 years before this passbook begins | ||
Nearest other open offices in Sheridan County
- <0.1 miIndependence Bank · 112 N. Main Street, Plentywood
- 0.1 miBank of Bridger, National Association · 220 N Main St, Plentywood
- 0.3 miStockman Bank of Montana · 405 W 1st Ave, Plentywood
All banks in Sheridan County →
Every Glacier Bank office →
Earlier names and banks folded into Glacier Bank →
Names on the sign
1994–1995Security State Bank, Plentywood, Montana1996–2023Rocky Mountain Bank2024–2024HTLF Bank2025–nowGlacier 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) 7063.