10 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| West Livingston | 1 | 7,431 | 7,873 | -0.58% | 313 | 24 | CDP |
| Livingston | 2 | 5,520 | 5,730 | -0.76% | 632 | 9 | Town |
| Onalaska | 3 | 3,438 | 3,081 | 2.11% | 632 | 5 | City |
| Corrigan | 4 | 1,383 | 1,471 | -1.28% | 602 | 2 | Town |
| Pleasant Hill | 5 | 1,088 | 771 | 3.62% | 411 | 3 | CDP |
| Indian Springs | 6 | 890 | 699 | 0.79% | 488 | 2 | CDP |
| Big Thicket Lake Estates | 7 | 558 | 611 | -2.11% | 239 | 2 | CDP |
| Goodrich | 8 | 283 | 250 | 2.17% | 401 | 1 | City |
| Cedar Point | 9 | 219 | 656 | -10.98% | 242 | 1 | CDP |
| Seven Oaks | 10 | 76 | 68 | 1.33% | 54 | 1 | City |
West Livingston is the largest city in Polk County, with a population of 7,431.
Seven Oaks is the smallest city in Polk County, with a population of 76.
There are 10 cities in Polk County, Texas.