Founded in 1857, Douglas County is one of 114 counties in the state of Missouri. Historically, Douglas County was formed from Ozark County. The city of Ava is the county seat. With FIPS code of 67, Douglas County has a population of 11,732 and area of 815 square miles (2,111 km2).
List of all cities in Douglas County, MO alphabetically
| City/Town | Postal Code | Area Code |
| Ava, MO | 65608 | 417 |
| Drury, MO | 65638 | 417 |
| Mc Clurg, MO | 65701 | 417 |
| Squires, MO | 65755 | 417 |
| Vanzant, MO | 65768 | 417 |