58631 ZIP Code, Glen Ullin, ND

58631 is a ZIP code in Glen Ullin, North Dakota — mostly in Morton County (62% of its land), with smaller parts in Grant and Mercer counties. It covers 370 square miles of land. The closest ZIP codes are 58638, 58520 and 58563. 953 people live here in 447 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (84%). Median household income is $58,036, below the North Dakota median of $76,657; the median age is 52.8, older than most ZIP codes.

Quick facts

Key figures

MeasureValue
Residents953
Households447
Median household income$58,036
Income per person$39,920
Median age52.8
Homeowners84.3%
Median home value$133,100
Median rent$775
Bachelor's degree or higher20.5%
Average commute (minutes)30.7
Households with kids under 1819.7%
Moved in the past year7.5%
Below the poverty line6.5%
Broadband internet84.1%
Speak a non-English language at home5.4%

Household income

% of householdsValue
<$10K1.6%
$10–15K4.5%
$15–25K7.4%
$25–35K20.1%
$35–50K10.1%
$50–75K15.9%
$75–100K10.5%
$100–150K15.7%
$150–200K9.8%
$200K+4.5%

Age

% of all residentsValue
<109.6%
10–198.0%
20–241.6%
25–3417.3%
35–447.1%
45–549.3%
55–6414.4%
65–7416.4%
75+16.3%

Tenure

% of housing unitsValue
Owned, with mortgage17.3%
Owned outright33.3%
Rented9.4%
Vacant40.0%

Type of building

% of housing unitsValue
Detached house75.4%
Townhome0.0%
2–4 units0.7%
5–19 units4.4%
20+ units0.7%
Mobile / other18.8%

Businesses in 58631

34 business establishments with 248 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 58631 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 58631

Mail every home in 58631

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 58631, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 58631 in?
58631 is a Glen Ullin, ND mailing address. None of its land lies inside a Census-defined city or community.
What county is 58631 in?
58631 is mostly in Morton County (62% of its land), with smaller parts in Grant and Mercer counties.
What is the population of 58631?
About 953 people (±202), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 1,069.
What is the median household income in 58631?
$58,036 (±$14,037), compared with $76,657 for North Dakota as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 58631?
EDDM2GO's stored route library does not include 58631 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 58631?
The closest, measured center to center: 58638 (12.6 mi, Hebron), 58520 (15.4 mi, Almont), 58563 (20 mi, New Salem) and 58652 (20.2 mi, Richardton).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.