Founded in 1873, Richland County is one of 53 counties in the state of North Dakota. The city of Wahpeton is the county seat. With FIPS code of 77, Richland County has a population of 16,560 and area of 1,437 square miles (3,722 km2).
List of all cities in Richland County, ND alphabetically
| City/Town | Postal Code | Area Code |
| Abercrombie, ND | 58001 | 701 |
| Barney, ND | 58008 | 701 |
| Christine, ND | 58015 | 701 |
| Colfax, ND | 58018 | 701 |
| Dwight, ND | 58075 | 701 |
| Fairmount, ND | 58030 | 701 |
| Galchutt, ND | 58075 | 701 |
| Geneseo, ND | 58053 | 701 |
| Great Bend, ND | 58075 | 701 |
| Hankinson, ND | 58041 | 701 |
| Lidgerwood, ND | 58053 | 701 |
| Mantador, ND | 58058 | 701 |
| McLeod, ND | 58057 | 701 |
| Mooreton, ND | 58061 | 701 |
| ND State College of Science, ND | 58076 | 701 |
| Wahpeton, ND | 58074 | 701 |
| 58075 | 701 | |
| 58076 | 701 | |
| Walcott, ND | 58077 | 701 |
| Wyndmere, ND | 58081 | 701 |