59031 ZIP Code — Garryowen, MT

Big Horn County, Montana

ZIP code 59031 is located in Garryowen, Montana, within Big Horn County. It covers approximately 104.69 square miles and serves a population of 473 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 406.

About ZIP code 59031

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Owner-occupancy is high at 88%, well above the national average.

Median household income is $122,969. The poverty rate of 7% is below the national average. SNAP benefit usage at 20% of households reflects economic stress in the area. 51% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 16 minutes is near the national average.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of diabetes (18%), smoking (34%) compared to national benchmarks. 24% of residents lack health insurance, above the national average.

Overall, ZIP code 59031 reflects a community defined by high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

473

population

104.69

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

59031 ZIP code map

Cities in ZIP code 59031

Below are the cities the US Postal Service accepts for ZIP code 59031. Using any city not on this list may result in mail delivery delays.

City	Status
Garryowen	Preferred

Nearby ZIP codes

59016 Busby (11.4 mi) 59022 Crow Agency (17.1 mi)

Demographics updated 06/2026

Population
Total population	473
Population density	5 / sq mi
State FIPS	30
County FIPS	003

Geography
Land area	104.69 sq mi
Water area	0.01 sq mi
Latitude	45.4789
Longitude	-107.2780
Timezone	Mountain (MT)
Area code	406

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	41.3%	52.2%	44.2%
$50k – $100k	42.5%	28.6%	32.0%
$100k – $200k	16.3%	15.8%	19.2%
Over $200k	0.0%	3.4%	4.7%

Demographics & statistics

473

Population

People per sq mi

17.8

Median age

$122,969

Median household income

$18,322

Per capita income

Median home value

Median monthly rent

87.7%

Home ownership

6.6%

Poverty rate

15.3%

Unemployment

Housing units

21.9%

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

← Male

Female →

Age summary

Group	Count	%
Under 18	241	51.0%
18 and over	232	49.0%
65 and over	46	9.7%
Median age	17.8 years

Race & ethnicity

American Indian / Alaska Native 97.7%

White 2.3%

Group	Count	%
American Indian / Alaska Native	462	97.7%
White	11	2.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	41.3%	52.2%	44.2%
$50k – $100k	42.5%	28.6%	32.0%
$100k – $200k	16.3%	15.8%	19.2%
Over $200k	0.0%	3.4%	4.7%

$15k–$25k 4.6%

$35k–$50k 18.5%

$50k–$75k 24.6%

$100k–$150k 38.5%

$150k–$200k 7.7%

$200k+ 6.2%

Range	% of households
$15k–$25k	4.6%
$35k–$50k	18.5%
$50k–$75k	24.6%
$100k–$150k	38.5%
$150k–$200k	7.7%
$200k+	6.2%
Median income	$122,969

Housing

Home values

Under $50k 5.3%

$100k–$150k 38.6%

$150k–$200k 17.5%

$300k–$500k 35.1%

$500k–$1M 3.5%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$0
Owner occupied	87.7%
Renter occupied	12.3%
Vacant	26.1%
Single-family detached	85.2%
Large apartment buildings	0.0%
Mobile homes	14.8%
Median rooms	5.0
Avg household size (owned)	7.84

Year built

Era	%
2020 or later	0.0%
2010–2019	2.3%
2000–2009	26.1%
1990–1999	5.7%
1980–1989	10.2%
1970–1979	14.8%
1960–1969	9.1%
1950–1959	2.3%
1940–1949	21.6%
1939 or earlier	8.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	52.3%
3 bedrooms	31.8%
4 bedrooms	15.9%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	40.0%
2 vehicles	49.2%
3 or more	10.8%

Heating fuel

Fuel type	%
Electricity	21.5%
Propane / LP gas	24.6%
Wood	53.8%

Households & families

Household type	Count	%
Married-couple family	43	66.2%
Cohabiting couple	0	0.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	22	33.8%
Households with children under 18	51	78.5%
Households with seniors (65+)	29	44.6%
Average household size	7.28

Marital status

Status	Male	Female
Never married	51.7%	45.3%
Married	34.2%	36.6%
Separated	0.0%	0.0%
Widowed	6.7%	1.2%
Divorced	7.5%	16.9%

Education

Less than 9th grade 3.0%

Some HS, no diploma 16.4%

HS graduate 13.9%

Some college, no degree 9.5%

Associate's degree 35.3%

Bachelor's degree 10.4%

Graduate / professional 11.4%

Metric	%
HS diploma or higher	80.6%
Bachelor's or higher	21.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	4	1.8%
Elementary school	133	59.1%
High school	88	39.1%
College / grad school	0	0.0%

Employment

Industry of employment

Education & healthcare 44.0%

Finance & real estate 16.4%

Public administration 16.4%

Agriculture & mining 9.5%

Arts, food & hospitality 8.6%

Retail trade 5.2%

Occupation

Category	%
Management, business & arts	25.9%
Service	28.4%
Sales & office	19.8%
Natural resources & construction	25.9%
Production & transportation	0.0%

Employment type

Type	%
Private sector	43.1%
Government	56.9%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	73.3%
Carpool	19.0%
Public transit	0.0%
Walk	0.0%
Work from home	7.8%
Other means	0.0%
Avg commute (minutes)	16.4

Poverty

All people 6.6%

Under 18 years 10.8%

18 and over 2.2%

Married-couple families 7.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	50.8%
Retirement income	35.4%
Supplemental Security	0.0%
Cash public assistance	7.7%
Food stamps / SNAP	20.0%

Health indicators

Condition	%
Obesity	39.6%
High blood pressure	36.2%
High cholesterol	28.1%
Diabetes	17.7%
Heart disease	9.2%
Stroke	5.9%
Asthma	14.3%
Arthritis	28.3%
Kidney disease	4.5%
Pulmonary disease	11.2%
Cancer	5.8%

Behavior / access	%
Smoking	33.8%
Binge drinking	20.1%
No physical activity	33.2%
Less than 7 hrs sleep	38.1%
Depression	25.3%
Fair or poor health	26.4%
Poor mental health	19.7%
Poor physical health	18.5%
No health insurance	15.7%
Visited doctor (checkup)	71.1%
Visited dentist	44.0%
Cholesterol screening	83.1%
Teeth loss	30.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	5	2.2%

Disability	%
Any disability	14.8%
Under 18	6.2%
18–64 years	19.9%
65 and over	39.1%

Health insurance coverage

Type	%
Private insurance	31.7%
Public insurance	56.7%
No insurance	23.5%
Uninsured under 19	22.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	437	92.4%
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)	473	100.0%
Born in same state	473	100.0%
Born in different state	461	97.5%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Technology access

Metric	% of households
Computer access	13.7%
Internet access	100.0%

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

Frequently asked questions about ZIP code 59031

What city is ZIP code 59031 in?

ZIP code 59031 is primarily assigned to Garryowen, Montana.

What county is ZIP code 59031 in?

ZIP code 59031 falls within Big Horn County, Montana.

Is ZIP code 59031 family-oriented?

51% of residents in ZIP code 59031 are under 18, reflecting a younger, family-oriented community.

Does ZIP code 59031 have a large retiree population?

51% of households in ZIP code 59031 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 59031 mostly owner-occupied?

88% of occupied units in ZIP code 59031 are owner-occupied, well above the national average.

What is the median household income in ZIP code 59031?

The median household income in ZIP code 59031 is $122,969, above the national median of ~$75,000.

What timezone is ZIP code 59031 in?

ZIP code 59031 observes the MST timezone.