8 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Savannah | 1 | 5,087 | 5,054 | 0.12% | 1,565 | 3 | City |
| Country Club | 2 | 2,493 | 2,499 | -0.04% | 638 | 4 | Village |
| Amazonia | 3 | 236 | 236 | 0% | 641 | 0 | Village |
| Fillmore | 4 | 172 | 172 | 0% | 1,237 | 0 | City |
| Bolckow | 5 | 161 | 163 | 0% | 495 | 0 | City |
| Rosendale | 6 | 120 | 120 | 0% | 410 | 0 | City |
| Cosby | 7 | 112 | 112 | 0% | 1,191 | 0 | Village |
| Rea | 8 | 48 | 48 | 0% | 400 | 0 | City |
Savannah is the largest city in Andrew County, with a population of 5,087.
Rea is the smallest city in Andrew County, with a population of 48.
There are 8 cities in Andrew County, Missouri.