ZIP Code 58237
About Grafton
Grafton is a city and the county seat of Walsh County, North Dakota, United States. The population was 4,170 at the 2020 census, and was estimated at 4,027 in 2024, making it the 16th-most populous city in North Dakota.
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Area Profile
US Census (ACS 5-year · Gazetteer)
5,051
population
$68,056
median household income
20
people / sq mi
$154,900
median home value
$725
median gross rent
40.9
median age
2,356
housing units
2,132
households
250.3
land area (sq mi)