7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Mexia | 1 | 6,837 | 6,892 | -0.16% | 950 | 7.20 | City |
| Groesbeck | 2 | 3,595 | 3,632 | -0.19% | 828 | 4.34 | City |
| Coolidge | 3 | 789 | 781 | 0.25% | 831 | 0.95 | Town |
| Hallsburg | 4 | 465 | 412 | 2.42% | 171 | 2.72 | City |
| Kosse | 5 | 465 | 457 | 0.43% | 360 | 1.29 | Town |
| Thornton | 6 | 427 | 417 | 0.47% | 434 | 0.98 | Town |
| Tehuacana | 7 | 230 | 227 | 0.44% | 146 | 1.58 | Town |
Mexia is the largest city in Limestone County, with a population of 6,837.
Tehuacana is the smallest city in Limestone County.
There are 7 cities in Limestone County, Texas.