Osborne County, Kansas Cities (2025)

5 cities

City
Rank
2025 Pop. ↓
2020 Pop.
Change
Density
Area (mi²)
Type
Osborne11,2891,324-0.54%8381.54 City
Downs2780804-0.64%6961.12 City
Natoma3290304-1.02%6870.42 City
Alton495100-1.04%3070.31 City
Portis58287-1.21%3140.26 City

Osborne County Cities Summary

Largest City

Osborne is the largest city in Osborne County, with a population of 1,289.

Smallest City

Portis is the smallest city in Osborne County.

10 Largest Cities

There are 5 cities in Osborne County, Kansas.