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Glen Ullin city, ND

ZIP Code 58631 — Glen Ullin city, ND Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Working ClassLow Snow AreaRemote Work Hub

Map, Quick Facts & Location

Quick Facts

Local time
Population
948
Median Income
$55,455
-26% vs US avg
Home Value
$122,700
-65% vs US avg
Median Rent
$700
-40% vs US avg
Median Age
52.1 yrs
+34% vs US avg
Area Code
Congress
Top Ancestry
GermanAmericanRussian
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Location
Coordinates
46.8068, -101.8009
Elevation
2,160 ft
Land Area
370.4 sq mi
Water Area
2.2 sq mi (1% water)

At a glance

Population
948
Density
N/A
Median income
$55,455
-26% vs US avg
Home value
$122,700
-65% vs US avg
Median rent
$700
-40% vs US avg
Timezone

Overview of ZIP Code 58631

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What to know about ZIP 58631

ZIP code 58631 covers Glen Ullin, ND in Morton County with a population of about 948.

At a glance, the area shows median age of 52.1 versus a U.S. median of about 38.9.

It sits in telephone area code 701; U.S. House district ND-00; the MINOT - BISMARCK - DICKINSON media market.

Income and economy in Glen Ullin, ND

Median household income in ZIP 58631 is about $55,455 — about 26% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 7.9%; unemployment rate near 3.0%; 21.4% of adults with a bachelor’s degree or higher (about 12.3 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Agriculture, Healthcare, and Manufacturing; about 20.3% of workers reporting work-from-home (about 5.1 points above the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 58631

Median home value is about $122,700 — about 65% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $700 (about 40% below the U.S. median rent ($1,163)), and owner-occupancy near 84.2% (about 18.8 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 58631 in Glen Ullin, ND, a household would need roughly $34,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $788. That sits below the local median household income ($55,455), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Glen Ullin city, ND as Relatively Low (composite score 49.6), which is near the middle of the national distribution. The strongest component scores on US5 are wildfire (73.9) and flood (40.4). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Glen Ullin city, ND show little to no average snow and around 18.4 inches of annual precipitation.

IRS migration statistics show a net inflow of about 49 for ZIP 58631 (Glen Ullin city, ND) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport DIK (47.4 miles (76.2 km)) · Bismarck State College (46.6 miles (74.9 km)) · Knife River Indian Villages National Historic Site (42.5 miles (68.5 km)) · VA: Bismarck Vet Center (47.3 miles (76.1 km))

Full lists and map pins are in the Infrastructure section below.