Columbia County, Georgia Cities (2026)

3 cities

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Augusta1201,590202,031-0.04%667302 Township
Grovetown218,80315,9232.62%3,5675 City
Harlem34,3123,6032.81%6557 City

Columbia County Cities Summary

Largest City

Augusta is the largest city in Columbia County, with a population of 201,590.

Smallest City

Harlem is the smallest city in Columbia County, with a population of 4,312.

10 Largest Cities

There are 3 cities in Columbia County, Georgia.

Location of Columbia County