![Asset-3-red](https://civics.sosmt.gov/wp-content/uploads/2021/04/Asset-3-red.png)
SIZE
1,946 mi²
![Asset-7-Red](https://civics.sosmt.gov/wp-content/uploads/2021/04/Asset-7-Red.png)
FOUNDED
1914
![Asset-5-Red](https://civics.sosmt.gov/wp-content/uploads/2021/04/Asset-5-Red.png)
COUNTY SEAT
SHELBY
![Asset-6-red](https://civics.sosmt.gov/wp-content/uploads/2021/04/Asset-6-red.png)
POPULATION
4,736
![Asset-1-red](https://civics.sosmt.gov/wp-content/uploads/2021/04/Asset-1-red.png)
LARGEST CITY
SHELBY
![Asset-2-red](https://civics.sosmt.gov/wp-content/uploads/2021/04/Asset-2-red.png)
COUNTY NUMBER
21
County Fun Fact
Shelby was named in honor of Peter O. Shelby, the general manager of the Montana Central Railway.
SENATOR
LAWMAKER FOR THIS COUNTY
![Sen. Bruce Gillespie (R) SD-9](https://civics.sosmt.gov/wp-content/uploads/Sen.-Bruce-Gillespie-R-SD-9-150x150.jpg)
REPRESENTATIVE
LAWMAKER FOR THIS COUNTY
![Rep. Llew Jones](https://civics.sosmt.gov/wp-content/uploads/2021/04/Rep.-Llew-Jones-150x150.jpg)