| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Springfield | 1 | 20,372 | 18,814 | 1.4% | 1,492 | 14 | City |
| White House | 2 | 18,717 | 13,087 | 4.73% | 1,590 | 12 | City |
| Greenbrier | 3 | 7,199 | 6,952 | 0.4% | 991 | 7 | Town |
| Ridgetop | 4 | 2,169 | 2,112 | 0.6% | 717 | 3 | City |
| Cross Plains | 5 | 1,952 | 1,786 | 1.72% | 225 | 9 | City |
| Orlinda | 6 | 1,044 | 952 | 1.56% | 158 | 7 | City |
| Adams | 7 | 679 | 616 | 1.65% | 284 | 2 | City |
| Cedar Hill | 8 | 298 | 300 | 0% | 478 | 1 | City |
Springfield is the largest city in Robertson County, with a population of 20,372.
Cedar Hill is the smallest city in Robertson County, with a population of 298.
There are 8 cities in Robertson County, Tennessee.