Glen Ullin, ND · standard
ZIP Code 58631
Morton County, North Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,150
- 1/sq mi Low-density area
- $58,036
- Median income Below-median income area
- $133,100
- Median home value Below-median home value
- 20.5%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Glen Ullin pairs a below-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 26th pct
- household income, US ZIPs
- 21st pct
- home value, US ZIPs
- 1
- people per sq mi
- 84%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 58631 against every reporting US ZIP.
ZIP code 58631 is a sparsely populated ZIP (a standard USPS delivery area) in Glen Ullin, Morton County, North Dakota, home to just 1,150 residents across 958.3 square miles, a density of 1 people per square mile, in the North Dakota/New Salem time zone.
ZIP 58631 reports a modest median household income of $58,036 (30% below the average North Dakota ZIP), while per-capita income is $39,920. Both reported hardship measures are comparatively low in absolute terms: poverty is 6.5% and unemployment is 3.1%. Home values sit below the statewide ZIP benchmark: the median is $133,100 (26% below the average North Dakota ZIP), and median rent is $775; owner occupancy is 84.3%.
Educational attainment sits below the national norm: 20.5% of adults hold a bachelor's degree or higher, the median age is 52.8, and the average commute is 31 minutes. No nearby ZIP peer set is available for this delivery area, so the North Dakota and national benchmarks above are the appropriate context for 58631.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 58631
Top 5 sectors by establishment count in Glen Ullin, ND
Which industries have the most business establishments in ZIP 58631.
- Retail trade
Retail trade
6 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
4 establishments
- Construction
Construction
3 establishments
- Manufacturing
Manufacturing
3 establishments
- Finance and insurance
Finance and insurance
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 58631, Glen Ullin, ND · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
1,150
Population
958.3
Area (sq mi)
1
People / sq mi
North Dakota/New Salem
Time Zone
standard
ZIP Type
Who lives in ZIP 58631?
52.8
Median Age
43.5%
Male
56.5%
Female
2.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$58,036
Median Household Income
-30% vs state ZIP avg
$39,920
Per Capita Income
6.5%
Poverty Rate
3.1%
Unemployment Rate
30.7 min
Mean Commute Time
How ZIP 58631 ranks among North Dakota ZIPs
Glen Ullin, ND household income vs. every North Dakota ZIP code
Median household income among 353 reporting North Dakota ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$58,036 12th percentile higher than 12% of 353 North Dakota ZIPs
Each bar is a $20K-wide band; taller bars hold more North Dakota ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
745housing units
745
Total Housing Units
447
Occupied Units
298
Vacant Units
1.99
Avg Household Size
Occupancy Type
$133,100
Median Home Value
-26% vs state ZIP avg
$775
Median Rent
1963
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 34 business establishments in ZIP 58631, employing approximately 248 people with a combined annual payroll of $14,189,000.
34
Businesses
248
Employees
$14.2M
Annual Payroll
7
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 6 | 17.6% |
| Professional, scientific, and technical services | 4 | 11.8% |
| Construction | 3 | 8.8% |
| Manufacturing | 3 | 8.8% |
| Finance and insurance | 3 | 8.8% |
| Health care and social assistance | 3 | 8.8% |
| Accommodation and food services | 3 | 8.8% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 58631, both outside ND so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,150 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Morton County
Related Areas
Frequently Asked Questions
What county is ZIP code 58631 in?
ZIP code 58631 (Glen Ullin) is located in Morton County, North Dakota. Morton County contains multiple ZIP codes, see the full list at /counties/morton-nd.
What is the population of ZIP code 58631?
ZIP code 58631 in Glen Ullin, ND has a population of 1,150 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 58631?
The median household income in ZIP 58631 is $58,036, which is 24% below the national average of $76,288.
What is the average home value in ZIP 58631?
The median home value in ZIP 58631 is $133,100, which is 52% below the national average of $278,155.
What is the demographic makeup of ZIP 58631?
The largest racial group in ZIP 58631 is White at 91.7%. Hispanic or Latino residents make up 2.2% of the population.
How many businesses are in ZIP code 58631?
ZIP code 58631 has 34 business establishments employing approximately 248 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 58631?
The top industries by establishment count in ZIP 58631 are: Retail trade (6), Professional, scientific, and technical services (4), Construction (3). There are 7 industry sectors represented in total.
What is the education level in ZIP code 58631?
In ZIP code 58631, 59.7% of residents aged 25+ have a high school diploma or higher, and 20.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 58631?
The mean commute time for workers in ZIP code 58631 is 30.7 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 58631?
In ZIP code 58631, approximately 84.3% of occupied housing units are owner-occupied and 15.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 58631?
The poverty rate in ZIP code 58631 is 6.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
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What to do with ZIP 58631's numbers, next.
- See how ZIP 58631 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Glen Ullin, ND ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.