8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Richmond | 1 | 5,921 | 6,010 | -0.3% | 963 | 6 | City |
| Lawson | 2 | 2,519 | 2,537 | -0.16% | 850 | 3 | City |
| Camden | 3 | 1,636 | 1,650 | -0.49% | 33 | 50 | Township |
| Orrick | 4 | 736 | 753 | -0.54% | 519 | 1 | City |
| Hardin | 5 | 551 | 565 | -0.54% | 857 | 1 | City |
| Rayville | 6 | 303 | 229 | 7.45% | 921 | 0 | CDP |
| Henrietta | 7 | 272 | 275 | -0.37% | 456 | 1 | City |
| Camden | 8 | 177 | 175 | 0% | 398 | 0 | City |
Richmond is the largest city in Ray County, with a population of 5,921.
Camden is the smallest city in Ray County, with a population of 177.
There are 8 cities in Ray County, Missouri.