18 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Norton | 1 | 2,663 | 2,754 | -0.67% | 1,396 | 2 | City |
| Norton | 2 | 2,663 | 2,751 | -0.67% | 1,396 | 2 | City |
| Center-District 1 | 3 | 1,501 | 1,514 | 0.27% | 6 | 253 | Township |
| Center-District 1 | 4 | 1,501 | 1,513 | 0.27% | 6 | 253 | Township |
| Norton | 5 | 841 | 861 | -0.36% | 22 | 39 | Township |
| Norton | 6 | 841 | 858 | -0.36% | 22 | 39 | Township |
| Highland-District 2 | 7 | 528 | 538 | 0.76% | 2 | 289 | Township |
| Highland-District 2 | 8 | 528 | 538 | 0.76% | 2 | 289 | Township |
| Almena-District 4 | 9 | 501 | 514 | 0.2% | 4 | 143 | Township |
| Almena-District 4 | 10 | 501 | 514 | 0.2% | 4 | 143 | Township |
| Almena | 11 | 349 | 363 | -0.85% | 577 | 1 | City |
| Almena | 12 | 349 | 363 | -0.85% | 577 | 1 | City |
| Lenora | 13 | 197 | 204 | -1.01% | 409 | 0 | City |
| Lenora | 14 | 197 | 204 | -1.01% | 409 | 0 | City |
| Solomon-District 3 | 15 | 134 | 136 | 0.75% | 1 | 191 | Township |
| Solomon-District 3 | 16 | 134 | 136 | 0.75% | 1 | 191 | Township |
| Clayton | 17 | 41 | 43 | -2.38% | 97 | 0 | City |
| Clayton | 18 | 41 | 43 | -2.38% | 97 | 0 | City |
Norton is the largest city in Norton County, with a population of 2,663.
Clayton is the smallest city in Norton County, with a population of 41.
There are 18 cities in Norton County, Kansas.