58540 ZIP Code — Garrison, ND

Mclean County, North Dakota

ZIP code 58540 is located in Garrison, North Dakota, within Mclean County. It covers approximately 361.40 square miles and serves a population of 3,154 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 701.

About ZIP code 58540

The housing stock consists of predominantly single-family detached homes. Much of the housing stock is relatively new, reflecting recent development activity. Median home value is $230,300. Owner-occupancy is high at 83%, well above the national average.

Median household income is $78,068. 46% 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 25 minutes is near the national average.

College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 58540 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

3,154

population

361.40

sq mi land

Standard

ZIP type

Central (CT)

timezone

58540 ZIP code map

Cities in ZIP code 58540

Below are the cities the US Postal Service accepts for ZIP code 58540. Using any city not on this list may result in mail delivery delays.

City	Status
Garrison	Acceptable
Garrison	Preferred

Nearby ZIP codes

58565 Riverdale (12 mi) 58531 Coleharbor (17.5 mi) 58759 Max (18.6 mi) 58779 Ryder (19.1 mi)

Demographics updated 05/2026

Population
Total population	3,154
Population density	9 / sq mi
State FIPS	38
County FIPS	055

Geography
Land area	361.40 sq mi
Water area	107.68 sq mi
Latitude	47.6425
Longitude	-101.5686
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	43.5%	34.7%	37.8%
$50k – $100k	30.8%	34.7%	32.8%
$100k – $200k	20.1%	25.6%	23.3%
Over $200k	5.6%	5.1%	6.0%

Demographics & statistics

3,154

Population

People per sq mi

46.0

Median age

$78,068

Median household income

$36,123

Per capita income

$230,300

Median home value

$780

Median monthly rent

82.8%

Home ownership

7.6%

Poverty rate

1.0%

Unemployment

1,361

Housing units

18.7%

Bachelor's or higher

Age distribution

Male Female

Under 5

114

5–9

111

10–14

108

15–19

105

20–24

173

25–34

167

150

35–44

145

181

45–54

175

55–59

138

60–64

134

209

65–74

203

161

75–84

156

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	769	24.4%
18 and over	2,385	75.6%
65 and over	856	27.1%
Median age	46.0 years

Race & ethnicity

White 79%

American Indian / Alaska Native 13.2%

Hispanic or Latino 2.6%

Other race 2%

Two or more races 1.7%

Asian 1%

Black or African American 0.4%

Group	Count	%
White	2,559	79%
American Indian / Alaska Native	427	13.2%
Hispanic or Latino	84	2.6%
Other race	66	2%
Two or more races	56	1.7%
Asian	33	1%
Black or African American	13	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	43.5%	34.7%	37.8%
$50k – $100k	30.8%	34.7%	32.8%
$100k – $200k	20.1%	25.6%	23.3%
Over $200k	5.6%	5.1%	6.0%

Under $10k 5.9%

$10k–$15k 1.3%

$15k–$25k 8.0%

$25k–$35k 7.3%

$35k–$50k 8.8%

$50k–$75k 17.3%

$75k–$100k 16.3%

$100k–$150k 20.0%

$150k–$200k 10.7%

$200k+ 4.3%

Range	% of households
Under $10k	5.9%
$10k–$15k	1.3%
$15k–$25k	8.0%
$25k–$35k	7.3%
$35k–$50k	8.8%
$50k–$75k	17.3%
$75k–$100k	16.3%
$100k–$150k	20.0%
$150k–$200k	10.7%
$200k+	4.3%
Median income	$78,068

Housing

Home values

Under $50k 3.8%

$50k–$100k 6.3%

$100k–$150k 21.1%

$150k–$200k 9.6%

$200k–$300k 30.3%

$300k–$500k 22.4%

$500k–$1M 5.9%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$230,300
Median rent / month	$780
Owner occupied	82.8%
Renter occupied	17.2%
Vacant	21.0%
Single-family detached	84.6%
Large apartment buildings	1.4%
Mobile homes	3.2%
Median rooms	6.1
Avg household size (owned)	2.49

Year built

Era	%
2020 or later	0.0%
2010–2019	20.6%
2000–2009	11.2%
1990–1999	8.9%
1980–1989	7.6%
1970–1979	14.3%
1960–1969	13.7%
1950–1959	8.3%
1940–1949	3.4%
1939 or earlier	11.9%

Bedrooms

Size	% of units
No bedroom (studio)	2.2%
1 bedroom	4.6%
2 bedrooms	23.6%
3 bedrooms	35.6%
4 bedrooms	25.1%
5+ bedrooms	8.9%

Vehicles per household

Vehicles	% of households
No vehicle	2.3%
1 vehicle	17.9%
2 vehicles	44.9%
3 or more	34.9%

Heating fuel

Fuel type	%
Utility gas	40.0%
Electricity	25.1%
Propane / LP gas	29.7%
Fuel oil	0.6%
No fuel used	1.1%

Households & families

Household type	Count	%
Married-couple family	699	56.2%
Cohabiting couple	91	7.3%
Male householder, no spouse	223	17.9%
Female householder, no spouse	231	18.6%
Households with children under 18	386	31.0%
Households with seniors (65+)	508	40.8%
Average household size	2.46

Marital status

Status	Male	Female
Never married	25.0%	17.1%
Married	60.4%	59.7%
Separated	0.8%	0.4%
Widowed	2.2%	12.6%
Divorced	11.7%	10.3%

Education

Less than 9th grade 4.6%

Some HS, no diploma 3.8%

HS graduate 35.8%

Some college, no degree 20.0%

Associate's degree 17.1%

Bachelor's degree 14.4%

Graduate / professional 4.3%

Metric	%
HS diploma or higher	91.6%
Bachelor's or higher	18.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	28	4.0%
Kindergarten	72	10.3%
Elementary school	296	42.4%
High school	213	30.5%
College / grad school	89	12.8%

Employment

Industry of employment

Education & healthcare 24.6%

Agriculture & mining 11.0%

Construction 9.0%

Transportation & utilities 8.6%

Retail trade 8.2%

Arts, food & hospitality 7.4%

Other services 6.2%

Manufacturing 5.4%

Professional & management 5.3%

Finance & real estate 4.9%

Public administration 4.8%

Information 4.3%

Wholesale trade 0.4%

Occupation

Category	%
Management, business & arts	37.3%
Service	16.9%
Sales & office	15.5%
Natural resources & construction	16.6%
Production & transportation	13.8%

Employment type

Type	%
Private sector	72.6%
Government	19.1%
Self-employed	7.0%
Unpaid family workers	1.2%

Commute

Method	%
Drive alone	85.0%
Carpool	5.3%
Public transit	0.0%
Walk	4.5%
Work from home	4.8%
Other means	0.3%
Avg commute (minutes)	24.7

Poverty

All people 7.6%

Under 18 years 10.3%

18 and over 6.7%

Married-couple families 2.4%

Female-led households 34.8%

Income support

Source	% of households
Social Security	45.5%
Retirement income	29.5%
Supplemental Security	2.7%
Cash public assistance	1.7%
Food stamps / SNAP	2.6%

Health indicators

Condition	%
Obesity	36.1%
High blood pressure	42.7%
High cholesterol	36.2%
Diabetes	13.1%
Heart disease	9.4%
Stroke	4.2%
Asthma	9.1%
Arthritis	32.1%
Kidney disease	3.8%
Pulmonary disease	8.3%
Cancer	9.6%

Behavior / access	%
Smoking	18.7%
Binge drinking	17.1%
No physical activity	28.5%
Less than 7 hrs sleep	26.4%
Depression	17.4%
Fair or poor health	15.2%
Poor mental health	11.4%
Poor physical health	11.1%
No health insurance	10.1%
Visited doctor (checkup)	74.8%
Visited dentist	62.4%
Cholesterol screening	91.6%
Teeth loss	14.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	205	8.6%

Disability	%
Any disability	14.5%
Under 18	8.7%
18–64 years	10.6%
65 and over	27.5%

Health insurance coverage

Type	%
Private insurance	73.1%
Public insurance	38.9%
No insurance	8.4%
Uninsured under 19	5.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,974	94.3%
Spanish	55	1.8%
Other Indo-European	20	0.7%
Asian & Pacific Islander	0	0.0%
Other languages	12	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,089	97.9%
Born in same state	3,086	97.8%
Born in different state	2,151	68.2%
Foreign born	3	0.1%
Naturalized citizen	65	2.1%
Not a US citizen	27	41.5%

Ancestry

Ancestry	Count	%
Polish	333	10.6%
Italian	79	2.5%
French	76	2.4%
Arab	48	1.5%

Ancestry	Count	%
English	6	0.2%
Dutch	4	0.1%
Irish	3	0.1%

Technology access

Metric	% of households
Computer access	39.4%
Internet access	93.5%

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

Frequently asked questions about ZIP code 58540

What city is ZIP code 58540 in?

ZIP code 58540 is primarily assigned to Garrison, North Dakota.

What county is ZIP code 58540 in?

ZIP code 58540 falls within Mclean County, North Dakota.

Does ZIP code 58540 have an older population?

27% of residents in ZIP code 58540 are 65 or older, above the national average of ~17%.

Does ZIP code 58540 have a large retiree population?

46% of households in ZIP code 58540 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 58540 mostly owner-occupied?

83% of occupied units in ZIP code 58540 are owner-occupied, well above the national average.

What is the population of ZIP code 58540?

ZIP code 58540 has an estimated population of 3,154 residents, with a density of 9 people per square mile.

What timezone is ZIP code 58540 in?

ZIP code 58540 observes the CST timezone.