Yellowstone County, Montana Cities (2025)

11 cities

City
Rank
2025 Pop.
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Billings1123,290117,2240.99%2,70546 City
Laurel27,1777,217-0.11%2,7553 City
Shepherd38369442.58%3762 CDP
Worden4484481-1.43%2452 CDP
Huntley5364522-1.36%2392 CDP
Ballantine6260352-1.52%2861 CDP
Nibbe71611207.33%6940 CDP
Custer8143151-0.69%4540 CDP
Broadview9136140-0.73%5190 Town
Acton1099767.61%4130 CDP
Pompeys Pillar1129867.41%1490 CDP

Yellowstone County Cities Summary

Largest City

Billings is the largest city in Yellowstone County, with a population of 123,290.

Smallest City

Pompeys Pillar is the smallest city in Yellowstone County, with a population of 29.

10 Largest Cities

There are 11 cities in Yellowstone County, Montana.

Location of Yellowstone County