ZIP Code 58831
About Alexander
Alexander is a city in McKenzie County, North Dakota, United States. The population was 319 as of the 2020 census, and was estimated at 325 in 2025.
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Area Profile
US Census (ACS 5-year · Gazetteer)
1,100
population
$133,750
median household income
3
people / sq mi
$384,100
median home value
$1,396
median gross rent
39.1
median age
532
housing units
411
households
416.0
land area (sq mi)