10 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Springfield | 1 | 20,100 | 18,809 | 1.3% | 1,472 | 14 | City |
| White House | 2 | 17,302 | 13,106 | 5.1% | 1,470 | 12 | City |
| Greenbrier | 3 | 7,059 | 6,957 | 0.28% | 972 | 7 | Town |
| Ridgetop | 4 | 2,152 | 2,105 | 0.42% | 711 | 3 | City |
| Cross Plains | 5 | 1,937 | 1,785 | 1.57% | 223 | 9 | City |
| Orlinda | 6 | 1,019 | 947 | 1.39% | 155 | 7 | City |
| Adams | 7 | 676 | 624 | 1.5% | 283 | 2 | City |
| Walnut Grove | 8 | 609 | 931 | -2.72% | 126 | 5 | CDP |
| Cedar Hill | 9 | 304 | 304 | 0% | 488 | 1 | City |
| New Deal | 10 | 237 | 242 | -3.66% | 125 | 2 | CDP |
Springfield is the largest city in Robertson County, with a population of 20,100.
New Deal is the smallest city in Robertson County, with a population of 237.
There are 10 cities in Robertson County, Tennessee.