Roundup, MT
Bank First Security Bank of Roundup
First Security Bank of Roundup is a federally insured bank based in Roundup, Montana.
- Type
- Bank
- Charter
- State-chartered commercial bank, not a Federal Reserve member
- Primary regulator
- FDIC
- Established
- September 3, 1971
- Headquarters
- Roundup, MT
- FDIC certificate #
- 20479
- Fed RSSD ID
- 625056
- Holding company
- Central Montana Bcorp
- Website
- www.1stsecurityroundup.com
$92.9M
Total assets Data as of Q1 2026
$80.6M
Total deposits Data as of Q1 2026
1
Branch locations Data as of Q1 2026
$528K
Net income Data as of Q1 2026
2.27%
Return on assets Data as of Q1 2026
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026
Branches by state
First Security Bank of Roundup operates 1 branch location in Montana. Select a state to drill down to its towns and individual branches.
Ownership
First Security Bank of Roundup is owned by Central Montana Bcorp. See the full ownership & merger history.
First Security Bank of Roundup financial summary
Other banks in Montana
Federally insured banks headquartered in Montana, by total assets.
- Glacier Bank $31.72B
- First Interstate Bank $26.36B
- Stockman Bank of Montana $7.68B
- Opportunity Bank of Montana $2.09B
- Independence Bank $1.37B
- The Yellowstone Bank $1.34B
- TrailWest Bank $1.09B
- Bank of Bridger, National Association $791.9M
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