58278 ZIP Code — Thompson, ND

Grand Forks County, North Dakota

ZIP code 58278 is located in Thompson, North Dakota, within Grand Forks County. It covers approximately 105.37 square miles and serves a population of 1,882 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 701.

About ZIP code 58278

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $280,600. Owner-occupancy is high at 92%, well above the national average.

Median household income is $94,125. The poverty rate of 4% is below the national average. 32% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.

Educational attainment is near the national average, with 34% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%.

Overall, ZIP code 58278 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

1,882

population

105.37

sq mi land

Standard

ZIP type

Central (CT)

timezone

58278 ZIP code map

Cities in ZIP code 58278

Below are the cities the US Postal Service accepts for ZIP code 58278. Using any city not on this list may result in mail delivery delays.

City	Status
Thompson	Preferred

Nearby ZIP codes

58275 Reynolds (4.5 mi) 58201 Grand Forks (7.4 mi) 58202 Grand Forks (11.2 mi) 58207 Grand Forks (12 mi) 58240 Hatton (12.9 mi) 58228 Emerado (13.1 mi) 56723 Fisher (13.1 mi) 58218 Buxton (13.4 mi) 58203 Grand Forks (15.3 mi) 58204 Grand Forks Afb (16.9 mi) 58205 Grand Forks Afb (18.2 mi) 56523 Climax (18.7 mi)

Demographics updated 05/2026

Population
Total population	1,882
Population density	18 / sq mi
State FIPS	38
County FIPS	035

Geography
Land area	105.37 sq mi
Water area	0.26 sq mi
Latitude	47.7660
Longitude	-97.1371
Timezone	Central (CT)
Area code	701

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	14.6%	46.3%	37.8%
$50k – $100k	39.7%	29.7%	32.8%
$100k – $200k	37.9%	20.1%	23.3%
Over $200k	7.8%	4.0%	6.0%

Demographics & statistics

1,882

Population

People per sq mi

47.5

Median age

$94,125

Median household income

$46,057

Per capita income

$280,600

Median home value

$756

Median monthly rent

91.6%

Home ownership

3.9%

Poverty rate

1.8%

Unemployment

735

Housing units

34.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

102

10–14

15–19

20–24

25–34

111

35–44

104

168

45–54

157

55–59

159

60–64

149

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	438	23.3%
18 and over	1,444	76.7%
65 and over	228	12.1%
Median age	47.5 years

Race & ethnicity

White 95.7%

Two or more races 2.8%

American Indian / Alaska Native 1.4%

Asian 0.1%

Group	Count	%
White	1,801	95.7%
Two or more races	52	2.8%
American Indian / Alaska Native	27	1.4%
Asian	2	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	14.6%	46.3%	37.8%
$50k – $100k	39.7%	29.7%	32.8%
$100k – $200k	37.9%	20.1%	23.3%
Over $200k	7.8%	4.0%	6.0%

Under $10k 4.8%

$10k–$15k 2.1%

$15k–$25k 3.2%

$25k–$35k 2.2%

$35k–$50k 8.8%

$50k–$75k 9.8%

$75k–$100k 20.5%

$100k–$150k 23.6%

$150k–$200k 12.3%

$200k+ 12.8%

Range	% of households
Under $10k	4.8%
$10k–$15k	2.1%
$15k–$25k	3.2%
$25k–$35k	2.2%
$35k–$50k	8.8%
$50k–$75k	9.8%
$75k–$100k	20.5%
$100k–$150k	23.6%
$150k–$200k	12.3%
$200k+	12.8%
Median income	$94,125

Housing

Home values

Under $50k 2.3%

$50k–$100k 3.7%

$100k–$150k 0.8%

$150k–$200k 12.3%

$200k–$300k 42.4%

$300k–$500k 30.6%

$500k–$1M 7.7%

$1M+ 0.3%

Housing overview

Metric	Value
Median home value	$280,600
Median rent / month	$756
Owner occupied	91.6%
Renter occupied	8.4%
Vacant	3.1%
Single-family detached	87.0%
Large apartment buildings	0.3%
Mobile homes	6.4%
Median rooms	7.1
Avg household size (owned)	2.46

Year built

Era	%
2020 or later	0.5%
2010–2019	7.6%
2000–2009	10.8%
1990–1999	10.6%
1980–1989	8.4%
1970–1979	27.5%
1960–1969	9.9%
1950–1959	5.8%
1940–1949	1.0%
1939 or earlier	18.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	1.5%
2 bedrooms	10.4%
3 bedrooms	46.6%
4 bedrooms	29.0%
5+ bedrooms	12.5%

Vehicles per household

Vehicles	% of households
No vehicle	1.7%
1 vehicle	17.8%
2 vehicles	42.3%
3 or more	38.2%

Heating fuel

Fuel type	%
Utility gas	33.3%
Electricity	32.3%
Propane / LP gas	32.6%
Fuel oil	0.1%
Wood	0.6%
No fuel used	1.0%

Households & families

Household type	Count	%
Married-couple family	536	69.2%
Cohabiting couple	17	2.2%
Male householder, no spouse	113	14.6%
Female householder, no spouse	109	14.1%
Households with children under 18	217	28.0%
Households with seniors (65+)	157	20.3%
Average household size	2.43

Marital status

Status	Male	Female
Never married	21.0%	17.5%
Married	71.6%	70.2%
Separated	0.4%	0.7%
Widowed	1.4%	5.4%
Divorced	5.6%	6.3%

Education

Less than 9th grade 0.2%

Some HS, no diploma 2.5%

HS graduate 21.8%

Some college, no degree 25.6%

Associate's degree 15.9%

Bachelor's degree 24.3%

Graduate / professional 9.8%

Metric	%
HS diploma or higher	97.3%
Bachelor's or higher	34.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	13	2.8%
Kindergarten	9	2.0%
Elementary school	257	56.0%
High school	110	24.0%
College / grad school	70	15.3%

Employment

Industry of employment

Education & healthcare 31.1%

Construction 15.1%

Agriculture & mining 9.9%

Retail trade 7.9%

Finance & real estate 6.2%

Public administration 5.3%

Manufacturing 5.1%

Wholesale trade 4.3%

Professional & management 4.2%

Arts, food & hospitality 3.6%

Other services 3.4%

Transportation & utilities 2.8%

Information 1.0%

Occupation

Category	%
Management, business & arts	41.4%
Service	11.4%
Sales & office	19.4%
Natural resources & construction	21.4%
Production & transportation	6.4%

Employment type

Type	%
Private sector	71.3%
Government	20.6%
Self-employed	8.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.0%
Carpool	12.4%
Public transit	0.4%
Walk	1.0%
Work from home	5.4%
Other means	0.7%
Avg commute (minutes)	21.9

Poverty

All people 3.9%

Under 18 years 3.2%

18 and over 4.1%

Married-couple families 1.1%

Female-led households 0.0%

Income support

Source	% of households
Social Security	31.5%
Retirement income	24.1%
Supplemental Security	0.0%
Cash public assistance	0.3%
Food stamps / SNAP	3.2%

Health indicators

Condition	%
Obesity	33.2%
High blood pressure	27.8%
High cholesterol	28.6%
Diabetes	7.6%
Heart disease	5.0%
Stroke	2.2%
Asthma	8.6%
Arthritis	20.1%
Kidney disease	2.2%
Pulmonary disease	4.7%
Cancer	6.1%

Behavior / access	%
Smoking	16.1%
Binge drinking	21.6%
No physical activity	20.4%
Less than 7 hrs sleep	31.3%
Depression	18.2%
Fair or poor health	9.3%
Poor mental health	11.9%
Poor physical health	7.5%
No health insurance	8.3%
Visited doctor (checkup)	69.6%
Visited dentist	70.3%
Cholesterol screening	89.9%
Teeth loss	9.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	195	13.5%

Disability	%
Any disability	7.4%
Under 18	3.9%
18–64 years	4.0%
65 and over	32.5%

Health insurance coverage

Type	%
Private insurance	87.7%
Public insurance	18.2%
No insurance	4.3%
Uninsured under 19	2.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,826	97.0%
Spanish	5	0.3%
Other Indo-European	2	0.1%
Asian & Pacific Islander	3	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,798	95.5%
Born in same state	1,785	94.8%
Born in different state	1,400	74.4%
Foreign born	13	0.7%
Naturalized citizen	84	4.5%
Not a US citizen	28	33.3%

Ancestry

Ancestry	Count	%
Polish	911	48.4%
Italian	178	9.5%
French	53	2.8%
Arab	19	1%

Ancestry	Count	%
English	13	0.7%
German	12	0.6%
Irish	3	0.2%
Dutch	2	0.1%

Technology access

Metric	% of households
Computer access	41.2%
Internet access	96.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 58278

What city is ZIP code 58278 in?

ZIP code 58278 is primarily assigned to Thompson, North Dakota.

What county is ZIP code 58278 in?

ZIP code 58278 falls within Grand Forks County, North Dakota.

Is ZIP code 58278 mostly owner-occupied?

92% of occupied units in ZIP code 58278 are owner-occupied, well above the national average.

Does ZIP code 58278 have a large veteran population?

14% of civilians in ZIP code 58278 are veterans, above the national average of ~7%.

What is the population of ZIP code 58278?

ZIP code 58278 has an estimated population of 1,882 residents, with a density of 18 people per square mile.

What is the median household income in ZIP code 58278?

The median household income in ZIP code 58278 is $94,125, above the national median of ~$75,000.

What timezone is ZIP code 58278 in?

ZIP code 58278 observes the CST timezone.