35 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Taylorville township | 1 | 11,176 | 11,538 | -0.47% | 263 | 42.50 | Township |
| Taylorville | 2 | 10,093 | 10,477 | -0.76% | 978 | 10.31 | City |
| Pana township | 3 | 5,779 | 6,009 | -0.67% | 118 | 49.03 | Township |
| Pana | 4 | 4,960 | 5,182 | -0.88% | 1,286 | 3.86 | City |
| Locust township | 5 | 3,131 | 3,145 | -0.06% | 87 | 35.84 | Township |
| South Fork township | 6 | 2,433 | 2,533 | -0.69% | 39 | 62.21 | Township |
| Moweaqua township | 7 | 1,866 | 1,917 | -0.59% | 111 | 16.88 | Township |
| May township | 8 | 1,771 | 1,830 | -0.51% | 49 | 36.33 | Township |
| Buckhart township | 9 | 1,714 | 1,770 | -0.52% | 29 | 58.67 | Township |
| Moweaqua | 10 | 1,708 | 1,755 | -0.52% | 833 | 2.05 | Village |
| Kincaid | 11 | 1,290 | 1,345 | -0.85% | 1,579 | 0.82 | Village |
| Assumption township | 12 | 1,271 | 1,308 | -0.31% | 30 | 42.85 | Township |
| Ricks township | 13 | 1,140 | 1,177 | -0.44% | 32 | 35.98 | Township |
| Assumption | 14 | 1,091 | 1,145 | -1% | 1,102 | 0.99 | City |
| Edinburg | 15 | 1,041 | 1,081 | -0.76% | 1,666 | 0.63 | Village |
| Stonington township | 16 | 967 | 1,003 | -0.41% | 27 | 36.16 | Township |
| Morrisonville | 17 | 961 | 998 | -0.72% | 929 | 1.03 | Village |
| Mount Auburn township | 18 | 879 | 911 | -0.57% | 19 | 45.75 | Township |
| Stonington | 19 | 794 | 834 | -1% | 1,737 | 0.46 | Village |
| Johnson township | 20 | 703 | 726 | -0.57% | 20 | 35.64 | Township |
| Bear Creek township | 21 | 476 | 496 | -0.63% | 13 | 35.82 | Township |
| Tovey | 22 | 440 | 462 | -0.9% | 1,973 | 0.22 | Village |
| Mount Auburn | 23 | 435 | 454 | -0.91% | 436 | 1 | Village |
| Prairieton township | 24 | 397 | 413 | -0.75% | 11 | 36.58 | Township |
| Rosamond township | 25 | 341 | 356 | -0.87% | 9 | 36.03 | Township |
| Mosquito township | 26 | 336 | 342 | 0% | 7 | 46.75 | Township |
| Langleyville | 27 | 320 | 439 | -2.14% | 814 | 0.39 | CDP |
| Coalton | 28 | 302 | 314 | -0.66% | 570 | 0.53 | Village |
| Owaneco | 29 | 203 | 212 | -0.98% | 443 | 0.46 | Village |
| Palmer | 30 | 202 | 214 | -0.98% | 203 | 0.99 | Village |
| King township | 31 | 202 | 209 | -0.49% | 6 | 36.65 | Township |
| Bulpitt | 32 | 200 | 212 | -0.99% | 2,899 | 0.07 | Village |
| Greenwood township | 33 | 188 | 194 | -0.53% | 5 | 36.69 | Township |
| Jeisyville | 34 | 98 | 103 | -1.01% | 803 | 0.12 | Village |
| Wenonah | 35 | 28 | 30 | 0% | 18 | 1.51 | Village |
Taylorville township is the largest city in Christian County, with a population of 11,176.
Wenonah is the smallest city in Christian County.
There are 35 cities in Christian County, Illinois.