Beaverhead County, Montana Cities (2025)

12 cities

City
Rank
2025 Pop.
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Dillon14,3703,8842.27%2,3022 City
Lima22222091.37%3971 Town
Wisdom31341327.2%1331 CDP
Argenta4115957.48%3860 CDP
Maverick Mountain572885.88%392 CDP
Glen670787.69%2410 CDP
Grant747306.82%272 CDP
Lakeview839338.33%511 CDP
Dell93256.67%720 CDP
Wise River1030347.14%411 CDP
Jackson1120265.26%211 CDP
Dewey1215137.14%570 CDP

Beaverhead County Cities Summary

Largest City

Dillon is the largest city in Beaverhead County, with a population of 4,370.

Smallest City

Dewey is the smallest city in Beaverhead County, with a population of 15.

10 Largest Cities

There are 12 cities in Beaverhead County, Montana.

Location of Beaverhead County