14 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Burleson | 1 | 58,316 | 48,001 | 3.67% | 1,998 | 29 | City |
| Cleburne | 2 | 39,798 | 31,460 | 4.37% | 1,199 | 33 | City |
| Rendon | 3 | 16,266 | 13,294 | 1.55% | 661 | 25 | CDP |
| Joshua | 4 | 9,448 | 7,937 | 3.3% | 1,051 | 9 | City |
| Venus | 5 | 9,110 | 4,604 | 10.98% | 2,395 | 4 | Town |
| Alvarado | 6 | 7,791 | 5,393 | 6.55% | 1,430 | 5 | City |
| Keene | 7 | 7,055 | 6,429 | 1.8% | 1,372 | 5 | City |
| Godley | 8 | 5,118 | 1,538 | 16.27% | 1,699 | 3 | City |
| The Homesteads | 9 | 3,735 | 3,333 | 7.14% | 978 | 4 | CDP |
| Grandview | 10 | 1,965 | 1,868 | 0.98% | 994 | 2 | City |
| Rio Vista | 11 | 1,256 | 1,053 | 3.29% | 1,231 | 1 | City |
| Briaroaks | 12 | 520 | 500 | 0.78% | 467 | 1 | City |
| Cross Timber | 13 | 486 | 441 | 1.89% | 299 | 2 | Town |
| Coyote Flats | 14 | 300 | 275 | 1.69% | 166 | 2 | City |
Burleson is the largest city in Johnson County, with a population of 58,316.
Coyote Flats is the smallest city in Johnson County, with a population of 300.
There are 14 cities in Johnson County, Texas.