8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Richmond | 1 | 5,926 | 6,005 | -0.27% | 964 | 6.15 | City |
| Lawson | 2 | 2,516 | 2,540 | -0.2% | 849 | 2.96 | City |
| Camden township | 3 | 1,640 | 1,651 | -0.36% | 33 | 49.68 | Township |
| Orrick | 4 | 734 | 748 | -0.41% | 518 | 1.42 | City |
| Hardin | 5 | 552 | 569 | -0.54% | 858 | 0.64 | City |
| Rayville | 6 | 303 | 229 | 7.45% | 921 | 0.33 | CDP |
| Henrietta | 7 | 271 | 275 | -0.37% | 455 | 0.60 | City |
| Camden | 8 | 175 | 174 | 0% | 393 | 0.45 | City |
Richmond is the largest city in Ray County, with a population of 5,926.
Camden is the smallest city in Ray County.
There are 8 cities in Ray County, Missouri.