Columbia County, Georgia Cities (2026)

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density (/mi²)
Area (mi²)
Type
Augusta1201,980202,053-0.01%668302 Township
Grovetown218,40915,8892.62%3,4925 City
Harlem34,3573,6092.78%6617 City

Columbia County Cities Summary

Largest City

Augusta is the largest city in Columbia County, with a population of 201,980.

Smallest City

Harlem is the smallest city in Columbia County, with a population of 4,357.

10 Largest Cities

There are 3 cities in Columbia County, Georgia.

Location of Columbia County