58231 ZIP Code Profile, Map, Data & Demographics

ZIP Code Type: STANDARD
County: Walsh County
Centroid: Latitude 48.241, Longitude -97.838
Time Zone: Central Time Zone (UTC -6 hours)
Observes DST: Yes

ZIP Code 58231 has segments in 2 Counties (Grand Forks, Walsh).

Businesses Addresses: 18
PO Box Addresses: 64
Residential Addresses: 104

Multi-Family Addresses: 0
Single Family Addresses: 104

The ZIP Code maps and database are updated 4 times per year.
Database updated: October 1, 2025, Maps updated: May 1, 2024.

Fordville, ND 58231 Data & Demographics (As of July 1, 2025)

POPULATION
Total Population	537 (100%)
Population in Households	377 (70.2%)
Population in Families	304 (56.6%)
Population in Group Quarters¹	160 (29.8%)
Population Density	5
Diversity Index²	17


INCOME
Median Household Income	$77,212
Average Household Income	$101,974
% of Income for Mortgage⁴	9%
Per Capita Income	$32,422
Wealth Index⁵	96
Socioeconomic Status Index⁶	Moderate (56.6)

HOUSING
Total HU (Housing Units)	202 (100%)
Owner Occupied HU	145 (71.8%)
Renter Occupied HU	20 ( 9.9%)
Vacant Housing Units	37 (18.3%)
Median Home Value	$112,500
Average Home Value	$177,121
Housing Affordability Index³	238

HOUSEHOLDS
Total Households	165
Average Household Size	2.28
Family Households	106
Average Family Size	3.00

NOTES

Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.

Fordville, ND 58231 - Peer Comparisons by Rank and Percentile

The table below compares 58231 to the other 383 ZIP Codes in North Dakota by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

GROWTH RATE / YEAR	2020-2025	2025-2030
Population	0.04%	-0.22%
Households	-0.46%	-0.49%
Families		-0.19%
Median Household Income		1.95%
Per Capita Income		1.14%
Owner Occupied HU		-0.28%

Variable Description	Rank	Percentile
Total Population	# 151	61st
Population Density	# 116	69th
Median Household Income	# 233	39th
Housing Affordability Index	# 366	96th
Per Capita Income	# 356	7th
Diversity Index	# 212	45th

58231 ZIP Code Profile, Map, Data & Demographics

ZIP Code 58231: Basic Data & USPS Preferred City Name

Fordville, ND 58231 Data & Demographics (As of July 1, 2025)

POPULATION

INCOME

HOUSING

HOUSEHOLDS

GROWTH RATE / YEAR

Fordville, ND 58231 - Peer Comparisons by Rank and Percentile

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Walsh County