Dallas County, Missouri Cities (2026)

3 cities

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Buffalo13,6103,3151.38%1,2553 City
Urbana24153940.97%4311 City
Louisburg31411350.71%3030 Village

Dallas County Cities Summary

Largest City

Buffalo is the largest city in Dallas County, with a population of 3,610.

Smallest City

Louisburg is the smallest city in Dallas County, with a population of 141.

10 Largest Cities

There are 3 cities in Dallas County, Missouri.

Location of Dallas County