6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| LaFayette | 1 | 7,051 | 6,936 | 0.33% | 872 | 8 | City |
| Chattanooga Valley | 2 | 4,246 | 3,676 | 0.64% | 572 | 7 | CDP |
| Rossville | 3 | 3,933 | 3,975 | -0.23% | 2,178 | 2 | City |
| Chickamauga | 4 | 3,038 | 2,918 | 0.8% | 1,067 | 3 | City |
| Rock Spring | 5 | 1,769 | 800 | 7.15% | 611 | 3 | CDP |
| Lookout Mountain | 6 | 1,660 | 1,643 | 0.18% | 640 | 3 | City |
LaFayette is the largest city in Walker County, with a population of 7,051.
Lookout Mountain is the smallest city in Walker County, with a population of 1,660.
There are 6 cities in Walker County, Georgia.