First Interstate Bank
Overview
First Interstate Bank is an FDIC-insured bank. Bankular currently lists 273 branch locations.
Quarterly change
What changed since the previous report
March 31, 2026 to June 30, 2026
These comparisons use consecutive official regulatory reporting periods. A change is descriptive and is not a recommendation or safety rating.
Financial indicators
Capital, profitability and credit quality
These are the latest reported capital, profitability and credit-quality measures available for this institution. Read the figures together rather than as a single safety rating.
Locations
Find a branch of First Interstate Bank
Wall Branch
418 Main St, Wall, South Dakota, 57790
Full-service branch · Opened January 1, 1908
Address and directions →Waterloo Branch
2936 University Ave, Waterloo, Iowa, 50701
Full-service branch · Opened July 11, 2016
Address and directions →Watertown 5Th St. S.e.
624 5th St SE, Watertown, South Dakota, 57201
Full-service branch · Opened June 29, 1980
Address and directions →Watertown Uptown
35 1st Ave NE, Watertown, South Dakota, 57201
Full-service branch · Opened July 5, 2017
Address and directions →Webster Branch
1301 Main St, Webster, South Dakota, 57274
Full-service branch · Opened January 1, 1888
Address and directions →West Des Moines Branch
120 S 68th St, West Des Moines, Iowa, 50266
Full-service branch · Opened August 1, 2006
Address and directions →Westport Branch
620 N Montesano St, Westport, Washington, 98595
Full-service branch · Opened April 13, 1961
Address and directions →Whitefish Branch
306 Spokane Ave, Whitefish, Montana, 59937
Full-service branch · Opened November 9, 1964
Address and directions →Yankton Branch
2408 Broadway Ave, Yankton, South Dakota, 57078
Full-service branch · Opened December 11, 2006
Address and directions →Financial overview
Latest reported figures
Financial trends
How the balance sheet has changed
Compare recent quarters to see the direction of assets, deposits and loans.
| Quarter | Assets | Deposits | Net loans | ROA |
|---|---|---|---|---|
| June 30, 2026 | $25.79B | $21.73B | $14.10B | 1.21% |
| March 31, 2026 | $26.36B | $22.20B | $14.60B | 1.02% |
| December 31, 2025 | $26.57B | $22.40B | $15.08B | 1.20% |
| September 30, 2025 | $27.25B | $22.91B | $15.93B | 1.03% |
| June 30, 2025 | $27.49B | $23.02B | $16.48B | 0.97% |
| March 31, 2025 | $28.20B | $22.99B | $17.16B | 0.81% |
| December 31, 2024 | $29.07B | $23.29B | $17.64B | 0.85% |
| September 30, 2024 | $29.53B | $23.14B | $17.82B | 0.87% |
Explore the institution
More on First Interstate Bank
Use the available Bankular sections to move from institution identity to products, locations, market context and source verification.
Frequently asked questions
Is First Interstate Bank federally insured?
Yes. Bankular identifies this institution in FDIC records under certificate .
How many locations does First Interstate Bank have?
Bankular currently lists 273 branch locations for this institution.
Data sources and methodology
Bankular combines official regulatory records with institution-published product information. The detailed sources are available below for readers who want to verify a figure.