Johnson County, Wyoming Cities (2026)

2 cities

City
Rank
2026 Pop.
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Buffalo14,7694,4271.21%1,0505 City
Kaycee23002493.09%6830 Town

Johnson County Cities Summary

Largest City

Buffalo is the largest city in Johnson County, with a population of 4,769.

Smallest City

Kaycee is the smallest city in Johnson County, with a population of 300.

10 Largest Cities

There are 2 cities in Johnson County, Wyoming.

Location of Johnson County