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ZIP code 58634: Grassy Butte, ND

58634 is a ZIP code in Grassy Butte, North Dakota, mainly in McKenzie County. About 402 people live here.

Population
402
Median household income
$157,750
Typical home value
—
Median rent
—gross, per month
Median age
28.6
Homeowners
58.1%of occupied homes
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Shaded: ZIP code 58634's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 58634 details

CityGrassy Butte
StateNorth Dakota
CountyMcKenzie County (also partly Billings County)
Metro areaNot in a metro or micro area
Time zoneMountain Time (UTC−7), observes daylight saving time
TypeStandard (delivery area)
Land area375.4 sq mi, plus 1.8 sq mi of water
Population density1 people per sq mi
Bachelor's degree or higher5.1% of adults 25+
Average commute41.9 minutes
Center coordinates47.44472, -103.36422

ZIP codes near 58634

ZIP codeCityDistancePopulation
58627Fairfield, ND15.2 mi189
58835Arnegard, ND20.6 mi839
58640Killdeer, ND21.4 mi1,369
58854Watford City, ND28.3 mi9,368
58642Manning, ND30.0 mi422
58831Alexander, ND31.3 mi1,089
58838Cartwright, ND33.6 mi252
58645Medora, ND35.2 mi320

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

About ZIP code 58634

What city is ZIP code 58634?

ZIP code 58634 is in Grassy Butte, ND, in McKenzie County.

What county is ZIP code 58634 in?

58634 is mainly in McKenzie County, North Dakota, and partly in Billings County.

What is the population of ZIP code 58634?

About 402 people live in ZIP code 58634, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 58634 in?

58634 is in Mountain Time (UTC−7). It observes daylight saving time.