Zip code 58631: Glen Ullin, North Dakota

Q: What city is zip code 58631?

58631 is assigned to Glen Ullin, North Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 58631 in?

58631 is mostly in Morton County, but it extends into 2 other counties.

Q: What is the population of 58631?

About 953 people live in 58631, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 58631?

The median household income in 58631 is $58,036.

Q: What zip codes are near 58631?

The closest zip codes to 58631 are 58638, 58520, 58563, 58652, 58533.

Residential delivery areaMorton CountyCentral Time

Population

953

Median household income

$58K

U.S. $81K

Median home value

$133K

U.S. $333K

Median rent

$775/mo

U.S. $1,413

Median age

52.8

U.S. 38.9

Land area

370 sq mi

3 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 58631

58631 is a rural zip code in Glen Ullin, North Dakota (Morton County), covering 370 sq mi of land. About 953 people live here, or 3 per square mile. The median resident is 52.8 years old, compared with 38.9 nationally.

The median household earns $58,036 a year, 28% below the national median of $80,734. 6.5% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $133,100, or 2.3 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 84% of occupied homes are lived in by their owners, and renters pay a median of $775 a month.

21% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 30.7 minutes each way, and 19% of workers work from home. The most common jobs among working residents are in construction and repair; management; and farming, fishing and forestry. 18% of them are self-employed (U.S.: 10%).

How 58631 compares

Sorted from highest to lowest national percentile

Housing vacancy40%
99th
U.S. 10.1% · ND 12.3%31st of 342 in ND
Residents 65 and older32.6%
98th
U.S. 17.2% · ND 16.5%46th of 345 in ND
Median age52.8
97th
U.S. 38.9 · ND 35.971st of 345 in ND
Self-employed workers17.6%
95th
U.S. 10% · ND 11.3%187th of 345 in ND
Homeownership rate84.3%
88th
StrengthU.S. 65.2% · ND 62.9%150th of 342 in ND
Average commute30.7 min
77th
U.S. 26.4 min · ND 17.9 min46th of 337 in ND
Work from home18.6%
74th
U.S. 15.1% · ND 8.1%48th of 345 in ND
Uninsured rate10.2%
72nd
U.S. 8.4% · ND 6.5%59th of 343 in ND
Median earnings per worker$50,455
57th
U.S. $49,666 · ND $49,097172nd of 345 in ND
Per capita income$39,920
49th
U.S. $44,673 · ND $43,389218th of 345 in ND
Income inequality (Gini)0.431
47th
U.S. 0.483 · ND 0.457138th of 342 in ND
Healthcare workers9.2%
46th
U.S. 9.7% · ND 10.8%137th of 345 in ND
Government workers11.7%
33rd
U.S. 14.5% · ND 17.3%243rd of 345 in ND
Veterans4%
26th
U.S. 6.2% · ND 7.1%276th of 345 in ND
Poverty rate6.5%
22nd
U.S. 12.5% · ND 10.8%199th of 342 in ND
Bachelor's degree or higher20.5%
22nd
U.S. 35.7% · ND 32.7%231st of 344 in ND
Median household income$58,036
18th
WeaknessU.S. $80,734 · ND $76,657292nd of 328 in ND
Unemployment rate3.1%
18th
StrengthU.S. 5.2% · ND 2.8%99th of 345 in ND
Residents under 1816.9%
14th
U.S. 22% · ND 23.5%259th of 345 in ND
Foreign-born residents2%
12th
U.S. 14.1% · ND 4.7%129th of 345 in ND
Broadband access84.1%
10th
WeaknessU.S. 91% · ND 88.7%245th of 342 in ND
Diversity index16.1
9th
U.S. 61.4 · ND 32.5156th of 345 in ND
Median home value$133,100
7th
U.S. $332,700 · ND $249,900195th of 311 in ND
Rent-burdened renters32.8%
7th
StrengthU.S. 51.1% · ND 38.9%127th of 291 in ND
Median gross rent$775
6th
U.S. $1,413 · ND $954101st of 210 in ND
Population953
1st
U.S. 334,922,499 · ND 784,841101st of 345 in ND
Population density3/sq mi
1st
U.S. 95/sq mi · ND 11/sq mi203rd of 345 in ND
Tech workers0%
1st
U.S. 3.8% · ND 2%250th of 345 in ND

Measure	58631	Morton	ND	U.S.	National percentile	Rank in ND
Housing vacancy	40%	9.8%	12.3%	10.1%	99th	31st of 342
Residents 65 and older	32.6%	17.3%	16.5%	17.2%	98th	46th of 345
Median age	52.8	37.6	35.9	38.9	97th	71st of 345
Self-employed workers	17.6%	14%	11.3%	10%	95th	187th of 345
Homeownership rateStrength	84.3%	74.2%	62.9%	65.2%	88th	150th of 342
Average commute	30.7 min	19.8 min	17.9 min	26.4 min	77th	46th of 337
Work from home	18.6%	10.6%	8.1%	15.1%	74th	48th of 345
Uninsured rate	10.2%	5.6%	6.5%	8.4%	72nd	59th of 343
Median earnings per worker	$50,455	$47,278	$49,097	$49,666	57th	172nd of 345
Per capita income	$39,920	$46,235	$43,389	$44,673	49th	218th of 345
Income inequality (Gini)	0.431	0.463	0.457	0.483	47th	138th of 342
Healthcare workers	9.2%	10.3%	10.8%	9.7%	46th	137th of 345
Government workers	11.7%	16.7%	17.3%	14.5%	33rd	243rd of 345
Veterans	4%	8%	7.1%	6.2%	26th	276th of 345
Poverty rate	6.5%	8%	10.8%	12.5%	22nd	199th of 342
Bachelor's degree or higher	20.5%	28.8%	32.7%	35.7%	22nd	231st of 344
Median household incomeWeakness	$58,036	$79,382	$76,657	$80,734	18th	292nd of 328
Unemployment rateStrength	3.1%	1.5%	2.8%	5.2%	18th	99th of 345
Residents under 18	16.9%	22.9%	23.5%	22%	14th	259th of 345
Foreign-born residents	2%	1.1%	4.7%	14.1%	12th	129th of 345
Broadband accessWeakness	84.1%	91.4%	88.7%	91%	10th	245th of 342
Diversity index	16.1	24.4	32.5	61.4	9th	156th of 345
Median home value	$133,100	$263,900	$249,900	$332,700	7th	195th of 311
Rent-burdened rentersStrength	32.8%	44%	38.9%	51.1%	7th	127th of 291
Median gross rent	$775	$1,076	$954	$1,413	6th	101st of 210
Population	953	33,777	784,841	334,922,499	1st	101st of 345
Population density	3/sq mi	18/sq mi	11/sq mi	95/sq mi	1st	203rd of 345
Tech workers	0%	1.2%	2%	3.8%	1st	250th of 345

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

10%

5–17

18–24

17%

25–34

35–44

45–54

14%

55–64

16%

65–74

16%

75+

Median age

52.8

Under 18

16.9%

65 and over

32.6%

Race and ethnicity

White92%
Black0%
Hispanic2%
Asian0.4%
Native American0.3%
Pacific Islander2%
Other0%
Multiracial4%

Diversity index

16.1

U.S. 61.4

Foreign-born

U.S. 14.1%

Born in state

77.8%

Language spoken at home (households)

English only

94%

Spanish

0.2%

Other Indo-European

Asian / Pacific

Other

0.4%

Households

Households: 447
Average household size: 2
Family households: 51.2%
Married couples: 43.6%
Living alone: 47%
Veterans (of adults): 4%
Male / female: 44% / 56%

Income and poverty

Household income distribution

<$25k

13%

$25–50k

30%

$50–75k

16%

$75–100k

11%

$100–150k

16%

$150–200k

10%

$200k+

Median household income

58631

$58,036

Morton Co.

$79,382

North Dakota

$76,657

United States

$80,734

Per capita income

$39,920

U.S. $44,673

Poverty rate

6.5%

U.S. 12.5%

Households earning $150K+

14.3%

U.S. 23%

Income inequality (Gini)

0.431

U.S. 0.483

Housing

Median home value

58631

$133,100

Morton Co.

$263,900

North Dakota

$249,900

United States

$332,700

Median gross rent

58631

$775

Morton Co.

$1,076

North Dakota

$954

United States

$1,413

Types of housing

Single-family

75%

2–4 units

0.7%

5–19 units

20+ units

0.7%

Mobile home

19%

Boat, RV, van

Housing units: 745
Owner-occupied: 84.3%
Vacant: 40%
Median year built: 1963
Median rooms: 6.1
Renters paying 30%+ of income: 32.8%
Renters paying 50%+ of income: 18.8%
Home value to income: 2.3× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

70%

Carpooled

Transit

Walked

Bicycle

0.5%

Worked from home

19%

Other

Commute time (one way)

<10 min

31%

10–19

11%

20–29

16%

30–44

45–59

26%

60+

10%

Average commute

30.7 min

U.S. 26.4 min

Unemployment

3.1%

U.S. 5.2%

In labor force

56.6%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Construction and repair

16%

Management

13%

Farming, fishing and forestry

13%

Healthcare

Sales

Production

Office and admin

Engineering and science

Food service

Transportation and moving

Education

Arts, media and sports

Cleaning and personal care

Legal and social services

Business and finance

Computer and math

Police and fire

Industries

Agriculture and mining

30%

Health care and social assistance

14%

Retail

Manufacturing

Construction

Transportation, warehousing and utilities

Finance, insurance and real estate

Public administration

Education

Professional and technical services

Restaurants and hotels

Other services

Information

Arts and recreation

Wholesale

0.9%

Admin, support and management

0.7%

Median earnings per worker

$50,455

U.S. $49,666

Self-employed

17.6%

U.S. 10%

Government workers

11.7%

U.S. 14.5%

Nonprofit workers

7.2%

U.S. 8.8%

Median earnings by type of work

Type of work	58631	U.S.
Management, business, science and arts	$43,333	$74,888
Service	$34,375	$26,804
Sales and office	$51,250	$40,476
Construction and maintenance	$58,214	$49,199
Production and transportation	$95,750	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

39%

Some college

24%

Associate's

Bachelor's

19%

Graduate

High school graduate or higher: 91.4%
Bachelor's degree or higher: 20.5%
Graduate or professional degree: 1.7%
Households with broadband: 84.1%
Cable, fiber or DSL: 57%
No internet access: 14.5%
Without health insurance: 10.2%
Limited-English households: 0.4%

Geography

City (USPS): Glen Ullin
State: North Dakota
County: Morton County
Center point: 46.7986° N, 101.8370° W
Land area: 370 sq mi
Water area: 2.7 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

58631 spans 3 counties

Morton County62% of land
Grant County30% of land
Mercer County9% of land

Zip codes near 58631

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
58638	Hebron, ND	13 mi	874	$63,854	$108,700
58520	Almont, ND	15 mi	272	$96,188	$88,900
58563	New Salem, ND	20 mi	1,961	$78,214	$219,700
58652	Richardton, ND	20 mi	1,244	$79,524	$205,000
58533	Elgin, ND	28 mi	830	$36,125	$92,800
58562	New Leipzig, ND	31 mi	400	$62,955	$100,000
58656	Taylor, ND	32 mi	393	$101,000	$277,900
58641	Lefor, ND	32 mi	37	$60,625	—
58523	Beulah, ND	32 mi	3,280	$81,806	$215,000
58580	Zap, ND	33 mi	566	$110,347	$246,900
58644	Marshall, ND	33 mi	19	—	—
58646	Mott, ND	35 mi	1,161	$56,667	$92,800

Questions about 58631

What city is zip code 58631?

58631 is assigned to Glen Ullin, North Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 58631 in?

58631 is mostly in Morton County, but it extends into 2 other counties.

What is the population of 58631?

About 953 people live in 58631, according to the Census Bureau's American Community Survey.

What time zone is 58631 in?

58631 is in Central Time.

What is the median household income in 58631?

The median household income in 58631 is $58,036.

What zip codes are near 58631?

The closest zip codes to 58631 are 58638, 58520, 58563, 58652, 58533.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 58631, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.