11 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Connersville | 1 | 13,271 | 13,326 | -0.08% | 1,709 | 8 | City |
| Connersville | 2 | 11,980 | 11,964 | 0.31% | 366 | 33 | Township |
| Harrison | 3 | 6,250 | 6,236 | 0.34% | 228 | 27 | Township |
| Jackson | 4 | 1,489 | 1,476 | 0.47% | 54 | 27 | Township |
| Columbia | 5 | 950 | 946 | 0.32% | 44 | 21 | Township |
| Jennings | 6 | 793 | 791 | 0.38% | 44 | 18 | Township |
| Lake Santee | 7 | 738 | 867 | -0.67% | 300 | 2 | CDP |
| Orange | 8 | 685 | 681 | 0.59% | 32 | 21 | Township |
| Posey | 9 | 416 | 415 | 0.48% | 13 | 31 | Township |
| Fairview | 10 | 327 | 322 | 0.31% | 18 | 19 | Township |
| Glenwood | 11 | 242 | 240 | 0% | 1,260 | 0 | Town |
Connersville is the largest city in Fayette County, with a population of 13,271.
Glenwood is the smallest city in Fayette County, with a population of 242.
There are 11 cities in Fayette County, Indiana.