ZIP Code 58249
About Langdon
Langdon is a city in Cavalier County, North Dakota, United States. It is the county seat of Cavalier County. The population was 1,909 at the 2020 census. Langdon was designated as the county seat in 1884, was founded in 1885, and was incorporated on February 25, 1888.
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Area Profile
US Census (ACS 5-year · Gazetteer)
2,363
population
$64,805
median household income
5
people / sq mi
$145,000
median home value
$818
median gross rent
48.3
median age
1,292
housing units
1,027
households
431.5
land area (sq mi)