Osborne County, Kansas Cities (2026)

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density (/mi²)
Area (mi²)
Type
Osborne11,2361,321-1.04%8032 City
Downs2751804-1.05%6711 City
Natoma3281304-1.4%6660 City
Alton48998-2.2%2880 City
Portis57987-2.47%3030 City

Osborne County Cities Summary

Largest City

Osborne is the largest city in Osborne County, with a population of 1,236.

Smallest City

Portis is the smallest city in Osborne County, with a population of 79.

10 Largest Cities

There are 5 cities in Osborne County, Kansas.

Location of Osborne County