| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Savannah | 1 | 5,113 | 5,046 | 0.12% | 1,573 | 3 | City |
| Country Club | 2 | 2,511 | 2,500 | -0.04% | 643 | 4 | Village |
| Amazonia | 3 | 244 | 242 | 0% | 663 | 0 | Village |
| Fillmore | 4 | 180 | 180 | 0% | 1,295 | 0 | City |
| Bolckow | 5 | 163 | 163 | -0.61% | 502 | 0 | City |
| Rosendale | 6 | 124 | 123 | 0% | 423 | 0 | City |
| Cosby | 7 | 114 | 114 | 0% | 1,213 | 0 | Village |
| Rea | 8 | 45 | 45 | 0% | 375 | 0 | City |
Savannah is the largest city in Andrew County, with a population of 5,113.
Rea is the smallest city in Andrew County, with a population of 45.
There are 8 cities in Andrew County, Missouri.