Founded in 1873, Cavalier County is one of 53 counties in the state of North Dakota. The city of Langdon is the county seat. With FIPS code of 19, Cavalier County has a population of 3,662 and area of 1,489 square miles (3,856 km2).
List of all cities in Cavalier County, ND alphabetically
| City/Town | Postal Code | Area Code |
| Alsen, ND | 58311 | 701 |
| Calio, ND | 58352 | 701 |
| Calvin, ND | 58323 | 701 |
| Clyde, ND | 58352 | 701 |
| Dresden, ND | 58249 | 701 |
| Hannah, ND | 58239 | 701 |
| Langdon, ND | 58249 | 701 |
| Loma, ND | 58311 | 701 |
| Maida, ND | 58255 | 701 |
| Milton, ND | 58260 | 701 |
| Moscow, ND | 58311 | 701 |
| Mount Carmel, ND | 58249 | 701 |
| Munich, ND | 58352 | 701 |
| Nekoma, ND | 58355 | 701 |
| Osnabrock, ND | 58269 | 701 |
| Sarles, ND | 58372 | 701 |
| Union, ND | 58260 | 701 |
| 58269 | 701 | |
| Wales, ND | 58281 | 701 |