7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Murfreesboro | 1 | 173,212 | 153,757 | 2.3% | 2,695 | 64.28 | City |
| Smyrna | 2 | 60,033 | 53,495 | 2.23% | 1,771 | 33.91 | Town |
| La Vergne | 3 | 40,187 | 38,711 | 0.74% | 1,626 | 24.71 | City |
| Christiana | 4 | 5,949 | 4,701 | 7.15% | 672 | 8.86 | CDP |
| Rockvale | 5 | 2,039 | 1,592 | 7.15% | 471 | 4.33 | CDP |
| Eagleville | 6 | 1,020 | 824 | 3.98% | 321 | 3.18 | City |
| Walterhill | 7 | 114 | 158 | -14.29% | 38 | 3.01 | CDP |
Murfreesboro is the largest city in Rutherford County, with a population of 173,212.
Walterhill is the smallest city in Rutherford County.
There are 7 cities in Rutherford County, Tennessee.