59218 ZIP Code — Culbertson, MT

Roosevelt County, Montana

ZIP code 59218 is located in Culbertson, Montana, within Roosevelt County. It covers approximately 391.08 square miles and serves a population of 1,069 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 406.

About ZIP code 59218

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $243,500. Owner-occupancy sits near the national average at 69%.

Median household income is $74,102.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.

Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.

1,069

population

391.08

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

59218 ZIP code map

Cities in ZIP code 59218

Below are the cities the US Postal Service accepts for ZIP code 59218. Using any city not on this list may result in mail delivery delays.

City	Status
Culbertson	Acceptable
Culbertson	Preferred

Nearby ZIP codes

59226 Froid (11.6 mi) 59212 Bainville (12.6 mi) 59221 Fairview (13.6 mi) 59213 Brockton (19.3 mi)

Demographics updated 07/2026

Population
Total population	1,069
Population density	3 / sq mi
State FIPS	30
County FIPS	085

Geography
Land area	391.08 sq mi
Water area	5.56 sq mi
Latitude	48.1397
Longitude	-104.4709
Timezone	Mountain (MT)
Area code	406

Total population by age

Gender

Race & ethnicity

Economics updated 07/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.7%	56.0%	44.2%
$50k – $100k	46.5%	27.1%	32.0%
$100k – $200k	24.9%	15.4%	19.2%
Over $200k	2.9%	1.5%	4.7%

Demographics & statistics

1,069

Population

People per sq mi

37.8

Median age

$74,102

Median household income

$33,351

Per capita income

$243,500

Median home value

$811

Median monthly rent

68.6%

Home ownership

10.5%

Poverty rate

6.3%

Unemployment

386

Housing units

28.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	279	26.1%
18 and over	790	73.9%
65 and over	156	14.6%
Median age	37.8 years

Race & ethnicity

White 90.1%

American Indian / Alaska Native 4.5%

Two or more races 3.3%

Hispanic or Latino 0.9%

Other race 0.8%

Black or African American 0.2%

Asian 0.1%

Group	Count	%
White	972	90.1%
American Indian / Alaska Native	49	4.5%
Two or more races	36	3.3%
Hispanic or Latino	10	0.9%
Other race	9	0.8%
Black or African American	2	0.2%
Asian	1	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.7%	56.0%	44.2%
$50k – $100k	46.5%	27.1%	32.0%
$100k – $200k	24.9%	15.4%	19.2%
Over $200k	2.9%	1.5%	4.7%

Under $10k 2.6%

$10k–$15k 5.5%

$15k–$25k 4.7%

$25k–$35k 9.1%

$35k–$50k 7.0%

$50k–$75k 24.2%

$75k–$100k 11.9%

$100k–$150k 17.1%

$150k–$200k 15.6%

$200k+ 2.3%

Range	% of households
Under $10k	2.6%
$10k–$15k	5.5%
$15k–$25k	4.7%
$25k–$35k	9.1%
$35k–$50k	7.0%
$50k–$75k	24.2%
$75k–$100k	11.9%
$100k–$150k	17.1%
$150k–$200k	15.6%
$200k+	2.3%
Median income	$74,102

Housing

Home values

Under $50k 3.4%

$50k–$100k 10.6%

$100k–$150k 15.5%

$150k–$200k 2.7%

$200k–$300k 34.8%

$300k–$500k 30.3%

$500k–$1M 1.1%

$1M+ 1.5%

Housing overview

Metric	Value
Median home value	$243,500
Median rent / month	$811
Owner occupied	68.6%
Renter occupied	31.4%
Vacant	24.1%
Single-family detached	84.2%
Large apartment buildings	0.0%
Mobile homes	6.5%
Median rooms	6.4
Avg household size (owned)	2.98

Year built

Era	%
2020 or later	0.4%
2010–2019	5.9%
2000–2009	13.6%
1990–1999	7.7%
1980–1989	8.5%
1970–1979	7.3%
1960–1969	17.4%
1950–1959	17.4%
1940–1949	6.9%
1939 or earlier	15.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.8%
1 bedroom	9.5%
2 bedrooms	17.2%
3 bedrooms	40.2%
4 bedrooms	19.7%
5+ bedrooms	12.6%

Vehicles per household

Vehicles	% of households
No vehicle	3.4%
1 vehicle	9.4%
2 vehicles	42.9%
3 or more	44.4%

Heating fuel

Fuel type	%
Utility gas	40.5%
Electricity	18.4%
Propane / LP gas	33.0%
Wood	1.0%
No fuel used	3.4%

Households & families

Household type	Count	%
Married-couple family	208	54.0%
Cohabiting couple	46	11.9%
Male householder, no spouse	101	26.2%
Female householder, no spouse	30	7.8%
Households with children under 18	98	25.5%
Households with seniors (65+)	97	25.2%
Average household size	2.72

Marital status

Status	Male	Female
Never married	29.9%	31.9%
Married	50.7%	57.6%
Separated	5.6%	0.0%
Widowed	4.0%	7.4%
Divorced	9.8%	3.2%

Education

Less than 9th grade 2.3%

Some HS, no diploma 1.9%

HS graduate 19.9%

Some college, no degree 30.0%

Associate's degree 17.7%

Bachelor's degree 21.0%

Graduate / professional 7.2%

Metric	%
HS diploma or higher	95.7%
Bachelor's or higher	28.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	12	4.1%
Kindergarten	32	10.9%
Elementary school	143	48.8%
High school	51	17.4%
College / grad school	55	18.8%

Employment

Industry of employment

Education & healthcare 35.6%

Retail trade 11.4%

Agriculture & mining 9.4%

Professional & management 7.5%

Transportation & utilities 7.1%

Arts, food & hospitality 7.1%

Other services 6.0%

Construction 4.8%

Public administration 4.8%

Wholesale trade 4.0%

Information 1.5%

Manufacturing 0.6%

Occupation

Category	%
Management, business & arts	40.1%
Service	17.9%
Sales & office	14.8%
Natural resources & construction	16.6%
Production & transportation	10.6%

Employment type

Type	%
Private sector	66.7%
Government	25.6%
Self-employed	7.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.2%
Carpool	9.1%
Public transit	0.0%
Walk	8.3%
Work from home	2.9%
Other means	1.5%
Avg commute (minutes)	18.6

Poverty

All people 10.5%

Under 18 years 14.1%

18 and over 9.2%

Married-couple families 3.4%

Female-led households 13.3%

Income support

Source	% of households
Social Security	24.7%
Retirement income	17.7%
Supplemental Security	2.9%
Cash public assistance	0.8%
Food stamps / SNAP	1.8%

Health indicators

Condition	%
Obesity	31.7%
High blood pressure	35.1%
High cholesterol	31.9%
Diabetes	10.5%
Heart disease	7.5%
Stroke	3.5%
Asthma	9.9%
Arthritis	26.2%
Kidney disease	3.2%
Pulmonary disease	7.1%
Cancer	8.1%

Behavior / access	%
Smoking	18.4%
Binge drinking	20.6%
No physical activity	21.5%
Less than 7 hrs sleep	29.7%
Depression	21.6%
Fair or poor health	13.6%
Poor mental health	12.7%
Poor physical health	11.2%
No health insurance	11.6%
Visited doctor (checkup)	69.4%
Visited dentist	66.6%
Cholesterol screening	89.3%
Teeth loss	13.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	103	13.1%

Disability	%
Any disability	13.8%
Under 18	2.5%
18–64 years	10.7%
65 and over	50.4%

Health insurance coverage

Type	%
Private insurance	67.1%
Public insurance	28.0%
No insurance	11.3%
Uninsured under 19	5.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,019	95.3%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,068	99.9%
Born in same state	1,068	99.9%
Born in different state	468	43.8%
Foreign born	0	0.0%
Naturalized citizen	1	0.1%
Not a US citizen	1	100.0%

Ancestry

Ancestry	Count	%
Polish	144	13.5%
Arab	77	7.2%
Italian	74	6.9%
French	74	6.9%

Ancestry	Count	%
Dutch	49	4.6%
German	29	2.7%
English	9	0.8%

Technology access

Metric	% of households
Computer access	36.0%
Internet access	96.4%

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

Frequently asked questions about ZIP code 59218

What city is ZIP code 59218 in?

ZIP code 59218 is primarily assigned to Culbertson, Montana.

What county is ZIP code 59218 in?

ZIP code 59218 falls within Roosevelt County, Montana.

Does ZIP code 59218 have a large veteran population?

13% of civilians in ZIP code 59218 are veterans, above the national average of ~7%.

What is the population of ZIP code 59218?

ZIP code 59218 has an estimated population of 1,069 residents, with a density of 3 people per square mile.

What is the typical home value in ZIP code 59218?

The median home value in ZIP code 59218 is $243,500.

What is the median household income in ZIP code 59218?

The median household income in ZIP code 59218 is $74,102, below the national median of ~$75,000.

What timezone is ZIP code 59218 in?

ZIP code 59218 observes the MST timezone.