Osborne County, Kansas Cities (2026)

5 cities

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Osborne11,2501,322-0.95%8122 City
Downs2756803-1.05%6751 City
Natoma3283304-1.05%6710 City
Alton49098-1.1%2910 City
Portis58288-1.2%3140 City

Osborne County Cities Summary

Largest City

Osborne is the largest city in Osborne County, with a population of 1,250.

Smallest City

Portis is the smallest city in Osborne County, with a population of 82.

10 Largest Cities

There are 5 cities in Osborne County, Kansas.

Location of Osborne County