32 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rushville | 1 | 2,889 | 2,978 | -0.52% | 1,749 | 2 | City |
| Rushville | 2 | 2,889 | 2,963 | -0.52% | 1,749 | 2 | City |
| Rushville | 3 | 2,385 | 2,441 | 0.34% | 66 | 36 | Township |
| Rushville | 4 | 2,385 | 2,428 | 0.34% | 66 | 36 | Township |
| Browning | 5 | 2,343 | 2,409 | -0.42% | 65 | 36 | Township |
| Browning | 6 | 2,343 | 2,403 | -0.42% | 65 | 36 | Township |
| Buena Vista | 7 | 1,887 | 1,905 | 0.43% | 52 | 36 | Township |
| Buena Vista | 8 | 1,887 | 1,899 | 0.43% | 52 | 36 | Township |
| Bainbridge | 9 | 571 | 580 | 0.53% | 13 | 44 | Township |
| Bainbridge | 10 | 571 | 577 | 0.53% | 13 | 44 | Township |
| Browning | 11 | 349 | 358 | 0.29% | 12 | 29 | Township |
| Browning | 12 | 349 | 357 | 0.29% | 12 | 29 | Township |
| Littleton | 13 | 276 | 284 | 0% | 8 | 37 | Township |
| Littleton | 14 | 276 | 282 | 0% | 8 | 37 | Township |
| Camden | 15 | 177 | 178 | 1.14% | 5 | 37 | Township |
| Camden | 16 | 177 | 178 | 1.14% | 5 | 37 | Township |
| Frederick | 17 | 149 | 155 | -0.67% | 11 | 14 | Township |
| Frederick | 18 | 149 | 154 | -0.67% | 11 | 14 | Township |
| Brooklyn | 19 | 146 | 148 | 0.69% | 4 | 37 | Township |
| Brooklyn | 20 | 146 | 147 | 0.69% | 4 | 37 | Township |
| Littleton | 21 | 135 | 139 | -0.74% | 116 | 1 | Village |
| Littleton | 22 | 135 | 138 | -0.74% | 116 | 1 | Village |
| Huntsville | 23 | 131 | 134 | 0% | 3 | 38 | Township |
| Huntsville | 24 | 131 | 133 | 0% | 3 | 38 | Township |
| Birmingham | 25 | 128 | 131 | 0% | 3 | 38 | Township |
| Birmingham | 26 | 128 | 131 | 0% | 3 | 38 | Township |
| Browning | 27 | 116 | 120 | -0.85% | 374 | 0 | Village |
| Browning | 28 | 116 | 120 | -0.85% | 374 | 0 | Village |
| Hickory | 29 | 102 | 103 | 0.99% | 6 | 18 | Township |
| Hickory | 30 | 102 | 103 | 0.99% | 6 | 18 | Township |
| Camden | 31 | 61 | 63 | -1.61% | 80 | 1 | Village |
| Camden | 32 | 61 | 63 | -1.61% | 80 | 1 | Village |
Rushville is the largest city in Schuyler County, with a population of 2,889.
Camden is the smallest city in Schuyler County, with a population of 61.
There are 32 cities in Schuyler County, Illinois.