9 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Moberly | 1 | 13,275 | 13,582 | -0.46% | 1,007 | 13 | City |
| Huntsville | 2 | 1,344 | 1,373 | -0.44% | 580 | 2 | City |
| Higbee | 3 | 435 | 447 | -0.68% | 1,098 | 0 | City |
| Clark | 4 | 424 | 429 | -0.7% | 12 | 36 | Township |
| Clark | 5 | 238 | 242 | -0.42% | 398 | 1 | City |
| Cairo | 6 | 200 | 204 | -0.5% | 667 | 0 | Village |
| Renick | 7 | 148 | 151 | -0.67% | 410 | 0 | Village |
| Jacksonville | 8 | 120 | 123 | -0.83% | 1,091 | 0 | Village |
| Clifton Hill | 9 | 85 | 88 | -1.16% | 486 | 0 | City |
Moberly is the largest city in Randolph County, with a population of 13,275.
Clifton Hill is the smallest city in Randolph County, with a population of 85.
There are 9 cities in Randolph County, Missouri.