Founded in 1841, Andrew County is one of 114 counties in the state of Missouri. Historically, Andrew County was formed from part of the Platte Purchase. The city of Savannah is the county seat. With FIPS code of 3, Andrew County has a population of 18,002 and area of 435 square miles (1,127 km2).
List of all cities in Andrew County, MO alphabetically
| City/Town | Postal Code | Area Code |
| Amazonia, MO | 64421 | 816/975 |
| Bolckow, MO | 64427 | 816/975 |
| Cosby, MO | 64436 | 816/975 |
| Fillmore, MO | 64449 | 816/975 |
| Helena, MO | 64459 | 816/975 |
| Rea, MO | 64480 | 816/975 |
| Rosendale, MO | 64483 | 816/975 |
| Savannah, MO | 64485 | 816/975 |