5 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Mound City | 1 | 1,010 | 994 | 0.3% | 811 | 1 | City |
| Oregon | 2 | 835 | 826 | 0.24% | 900 | 1 | City |
| Maitland | 3 | 282 | 275 | 0.36% | 904 | 0 | City |
| Forest City | 4 | 249 | 245 | 0.4% | 254 | 1 | City |
| Craig | 5 | 104 | 103 | 0% | 400 | 0 | City |
Mound City is the largest city in Holt County, with a population of 1,010.
Craig is the smallest city in Holt County, with a population of 104.
There are 5 cities in Holt County, Missouri.