Decatur County, Kansas Cities (2026)

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density (/mi²)
Area (mi²)
Type
Oberlin11,5991,628-0.44%8372 City
Norcatur2158162-0.63%1591 City
Jennings37881-1.27%2910 City
Dresden44144-2.38%451 City

Decatur County Cities Summary

Largest City

Oberlin is the largest city in Decatur County, with a population of 1,599.

Smallest City

Dresden is the smallest city in Decatur County, with a population of 41.

10 Largest Cities

There are 4 cities in Decatur County, Kansas.

Location of Decatur County