Founded in 1841, Dallas County is one of 114 counties in the state of Missouri. Historically, Dallas County was formed from Polk County. The city of Buffalo is the county seat. With FIPS code of 59, Dallas County has a population of 17,341 and area of 542 square miles (1,404 km2).
List of all cities in Dallas County, MO alphabetically
| City/Town | Postal Code | Area Code |
| Buffalo, MO | 65622 | 417 |
| Cedar Ridge, MO | 65590 | 417 |
| Elkland, MO | 65644 | 417 |
| Long Lane, MO | 65590 | 417 |
| Louisburg, MO | 65685 | 417 |
| Tunas, MO | 65764 | 417 |
| Urbana, MO | 65767 | 417 |
| Windyville, MO | 65783 | 417 |