| Cavalier County North Dakota Cities/Towns - Alsen, Calio, Calvin, Dresden, Easby, Hannah, Langdon (County Seat), Loma, Maida, Milton, Mount Carmel, Munich, Nekoma, Olga, Osnabrock, Sarles, Wales |
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![]() Your Ad Here Cavalier County is a county located in the U.S. state of North Dakota. As of 2000, the population was 4,831. Its county seat is Langdon. The city of Cavalier is in nearby Pembina County. History The county was created by the 1879 territorial legislature and named for Charles Cavileer of Pembina, North Dakota (1818-1902), one of the earliest white settlers. There is no explanation for the difference in the spelling of "Cavalier". ![]() |