Dallas County, Missouri Cities (2025)

3 cities

City
Rank
2025 Pop. ↓
2020 Pop.
Change
Density
Area (mi²)
Type
Buffalo13,5623,3121.42%1,2392.88 City
Urbana24113910.98%4270.96 City
Louisburg31381330.73%2970.47 Village

Dallas County Cities Summary

Largest City

Buffalo is the largest city in Dallas County, with a population of 3,562.

Smallest City

Louisburg is the smallest city in Dallas County.

10 Largest Cities

There are 3 cities in Dallas County, Missouri.