6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Grant City | 1 | 773 | 813 | -1.02% | 582 | 1.33 | Town |
| Sheridan township | 2 | 462 | 443 | 1.32% | 14 | 34.14 | Township |
| Sheridan | 3 | 139 | 144 | -0.71% | 716 | 0.19 | Town |
| Worth | 4 | 60 | 64 | -1.64% | 238 | 0.25 | Village |
| Allendale | 5 | 44 | 48 | -2.22% | 77 | 0.57 | Village |
| Denver | 6 | 31 | 33 | 0% | 81 | 0.38 | Village |
Grant City is the largest city in Worth County, with a population of 773.
Denver is the smallest city in Worth County.
There are 6 cities in Worth County, Missouri.