Dallas County, Missouri Cities (2025)

4 cities

City
Rank
2025 Pop.
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Buffalo13,5623,3121.42%1,2393 City
Buffalo29771,066-1.81%2441 Township
Urbana34113910.98%4271 City
Louisburg41381330.73%2970 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, with a population of 138.

10 Largest Cities

There are 4 cities in Dallas County, Missouri.

Location of Dallas County