There are 23 cities in Sumner County, Tennessee.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Pop. | 2020 Pop. | Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Nashville | 1 | 687,150 | 689,700 | -0.09% | 1,445 | 475.6 | Township |
| Hendersonville | 2 | 64,117 | 62,119 | 0.78% | 2,024 | 31.7 | City |
| Gallatin | 3 | 52,197 | 44,827 | 3.66% | 1,496 | 34.9 | City |
| Goodlettsville | 4 | 17,306 | 17,796 | -0.71% | 1,201 | 14.4 | City |
| White House | 5 | 16,093 | 13,081 | 4.91% | 1,367 | 11.8 | City |
| Portland | 6 | 13,701 | 13,209 | 0.91% | 905 | 15.1 | City |
| Hartsville/Trousdale County | 7 | 12,483 | 11,635 | 1.73% | 109 | 114.3 | Township |
| Millersville | 8 | 6,294 | 6,312 | -0.08% | 456 | 13.8 | City |
| Shackle Island | 9 | 4,630 | 4,010 | 2.82% | 836 | 5.5 | CDP |
| Westmoreland | 10 | 2,803 | 2,727 | 0.68% | 646 | 4.3 | Town |
| Ridgetop | 11 | 2,143 | 2,106 | 0.42% | 708 | 3.0 | City |
| Cross Plains | 12 | 1,929 | 1,783 | 1.9% | 222 | 8.7 | City |
| Orlinda | 13 | 1,008 | 948 | 1.51% | 153 | 6.6 | City |
| Castalian Springs | 14 | 631 | 397 | 0.96% | 108 | 5.8 | CDP |
| Walnut Grove | 15 | 626 | 931 | -2.64% | 130 | 4.8 | CDP |
| Cottontown | 16 | 341 | 356 | -0.58% | 97 | 3.5 | CDP |
| Fairfield | 17 | 288 | 200 | 3.97% | 291 | 1.0 | CDP |
| Bethpage | 18 | 274 | 481 | -0.36% | 206 | 1.3 | CDP |
| New Deal | 19 | 246 | 242 | -3.15% | 130 | 1.9 | CDP |
| Mitchellville | 20 | 157 | 161 | -0.63% | 292 | 0.5 | City |
| Oak Grove | 21 | 150 | 120 | -3.85% | 117 | 1.3 | CDP |
| Graball | 22 | 126 | 105 | -5.97% | 63 | 2.0 | CDP |
| Bransford | 23 | 124 | 269 | -3.13% | 31 | 4.0 | CDP |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Nashville is the largest city in Sumner County.
Bransford is the smallest city in Sumner County.
There are 23 cities in Sumner County, Tennessee.