Natrona County, Wyoming Cities (2025)

6 cities

City
Rank
2025 Pop.
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Casper158,70059,315-0.21%2,19427 City
Mills24,6734,2271.94%9185 Town
Bar Nunn33,0233,0020.13%1,4402 Town
Evansville42,8512,7800.49%7264 Town
Midwest52922870.34%6020 Town
Edgerton61551520%5200 Town

Natrona County Cities Summary

Largest City

Casper is the largest city in Natrona County, with a population of 58,700.

Smallest City

Edgerton is the smallest city in Natrona County, with a population of 155.

10 Largest Cities

There are 6 cities in Natrona County, Wyoming.

Location of Natrona County