11 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Connersville | 1 | 13,279 | 13,326 | -0.07% | 1,710 | 7.77 | City |
| Connersville township | 2 | 11,906 | 11,962 | -0.17% | 364 | 32.71 | Township |
| Harrison township | 3 | 6,229 | 6,237 | -0.1% | 228 | 27.38 | Township |
| Jackson township | 4 | 1,481 | 1,476 | 0% | 54 | 27.39 | Township |
| Columbia township | 5 | 952 | 945 | 0% | 44 | 21.42 | Township |
| Jennings township | 6 | 789 | 791 | -0.13% | 43 | 18.16 | Township |
| Lake Santee | 7 | 738 | 867 | -0.67% | 300 | 2.46 | CDP |
| Orange township | 8 | 682 | 680 | 0.15% | 32 | 21.15 | Township |
| Posey township | 9 | 413 | 416 | -0.24% | 13 | 31.10 | Township |
| Fairview township | 10 | 330 | 325 | 0.3% | 18 | 18.56 | Township |
| Glenwood | 11 | 241 | 238 | 0.42% | 1,255 | 0.19 | Town |
Connersville is the largest city in Fayette County, with a population of 13,279.
Glenwood is the smallest city in Fayette County.
There are 11 cities in Fayette County, Indiana.