Big Horn County, MT ZIP Codes
Montana (MT) · 10 ZIP codes · 10 cities
10
ZIP codes
12,957
population (2021)
+0.7%
pop change since 2010
30003
FIPS code
Big Horn County ZIP code map
About Big Horn County
Big Horn County is located in Montana and contains 10 ZIP codes across 10 cities and communities.
The county's population was 12,957 as of 2021,
an increase of
0.7% from 12,865 in 2010.
The timezone is Pacific Time (observes DST).
The Federal Information Processing System (FIPS) code for Big Horn County is 30003.
| Population | |
|---|---|
| 2021 population | 12,957 |
| 2010 population | 12,865 |
| Change | +0.7% |
| County details | |
|---|---|
| State | Montana |
| FIPS code | 30003 |
| Timezone | Pacific |
| Daylight saving | Yes |
Cities in Big Horn County
ZIP codes for Big Horn County, MT (10)
| ZIP code | City | County | Map |
|---|---|---|---|
| 59016 | Busby | Big Horn | View map |
| 59022 | Crow Agency | Big Horn | View map |
| 59025 | Decker | Big Horn | View map |
| 59031 | Garryowen | Big Horn | View map |
| 59034 | Hardin | Big Horn | View map |
| 59035 | Fort Smith | Big Horn | View map |
| 59050 | Lodge Grass | Big Horn | View map |
| 59066 | Pryor | Big Horn | View map |
| 59075 | Saint Xavier | Big Horn | View map |
| 59089 | Wyola | Big Horn | View map |
Demographics & statistics
11,200
Population
32.3
Median age
$54,902
Median household income
$21,600
Per capita income
$122,425
Median home value
$409
Median monthly rent
62.6%
Home ownership
19.8%
Poverty rate
14.0%
Unemployment
2,708
Housing units
17.2%
Bachelor's or higher
Age distribution
Male
Female
577
Under 5
322
676
5–9
377
654
10–14
365
737
15–19
411
443
20–24
247
783
25–34
436
851
35–44
475
664
45–54
371
386
55–59
215
451
60–64
252
639
65–74
356
265
75–84
148
64
85+
35
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 3,608 | 31.0% |
| 18 and over | 7,592 | 69.0% |
| 65 and over | 1,507 | 12.7% |
| Median age | 32.3 years | |
Race & ethnicity
American Indian / Alaska Native
64.2%
White
29.4%
Two or more races
5.7%
Hispanic or Latino
0.4%
Asian
0.2%
| Group | Count | % |
|---|---|---|
| American Indian / Alaska Native | 7,220 | 64.2% |
| White | 3,310 | 29.4% |
| Two or more races | 642 | 5.7% |
| Hispanic or Latino | 42 | 0.4% |
| Asian | 28 | 0.2% |
Household income
Under $10k
6.7%
$10k–$15k
3.7%
$15k–$25k
11.3%
$25k–$35k
16.3%
$35k–$50k
11.3%
$50k–$75k
17.5%
$75k–$100k
10.7%
$100k–$150k
16.5%
$150k–$200k
3.0%
$200k+
3.1%
| Range | % of households |
|---|---|
| Under $10k | 6.7% |
| $10k–$15k | 3.7% |
| $15k–$25k | 11.3% |
| $25k–$35k | 16.3% |
| $35k–$50k | 11.3% |
| $50k–$75k | 17.5% |
| $75k–$100k | 10.7% |
| $100k–$150k | 16.5% |
| $150k–$200k | 3.0% |
| $200k+ | 3.1% |
| Median income | $54,902 |
Housing
Home values
Under $50k
12.0%
$50k–$100k
12.6%
$100k–$150k
12.7%
$150k–$200k
17.0%
$200k–$300k
19.3%
$300k–$500k
12.4%
$500k–$1M
1.2%
$1M+
0.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $122,425 |
| Median rent / month | $409 |
| Owner occupied | 62.6% |
| Renter occupied | 37.4% |
| Vacant | 27.4% |
| Single-family detached | 74.4% |
| Large apartment buildings | 0.3% |
| Mobile homes | 20.1% |
| Median rooms | 5.2 |
| Avg household size (owned) | 3.73 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 3.9% |
| 2000–2009 | 13.1% |
| 1990–1999 | 12.6% |
| 1980–1989 | 15.3% |
| 1970–1979 | 18.8% |
| 1960–1969 | 8.7% |
| 1950–1959 | 5.3% |
| 1940–1949 | 5.8% |
| 1939 or earlier | 16.5% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.2% |
| 1 bedroom | 6.4% |
| 2 bedrooms | 27.6% |
| 3 bedrooms | 48.4% |
| 4 bedrooms | 13.4% |
| 5+ bedrooms | 3.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.1% |
| 1 vehicle | 29.6% |
| 2 vehicles | 37.9% |
| 3 or more | 28.3% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 12.9% |
| Electricity | 29.5% |
| Propane / LP gas | 38.4% |
| Fuel oil | 0.2% |
| Wood | 16.5% |
| No fuel used | 0.1% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 1,400 | 45.0% |
| Cohabiting couple | 308 | 6.9% |
| Male householder, no spouse | 596 | 22.9% |
| Female householder, no spouse | 809 | 25.3% |
| Households with children under 18 | 1,287 | 41.5% |
| Households with seniors (65+) | 1,027 | 31.7% |
| Average household size | 3.79 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 43.1% | 32.0% |
| Married | 39.8% | 48.2% |
| Separated | 1.0% | 1.8% |
| Widowed | 3.0% | 6.8% |
| Divorced | 13.1% | 11.3% |
Education
Less than 9th grade
2.3%
Some HS, no diploma
7.6%
HS graduate
29.5%
Some college, no degree
27.6%
Associate's degree
15.8%
Bachelor's degree
11.6%
Graduate / professional
5.7%
| Metric | % |
|---|---|
| HS diploma or higher | 90.2% |
| Bachelor's or higher | 17.2% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 124 | 4.1% |
| Kindergarten | 174 | 4.6% |
| Elementary school | 1,637 | 49.2% |
| High school | 931 | 24.2% |
| College / grad school | 236 | 5.4% |
Employment
Industry of employment
Education & healthcare
26.5%
Agriculture & mining
23.9%
Arts, food & hospitality
13.1%
Public administration
12.4%
Retail trade
9.5%
Finance & real estate
4.2%
Other services
2.5%
Transportation & utilities
2.3%
Construction
2.3%
Professional & management
2.2%
Wholesale trade
0.5%
Information
0.4%
Manufacturing
0.2%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 33.0% |
| Service | 22.7% |
| Sales & office | 17.4% |
| Natural resources & construction | 22.5% |
| Production & transportation | 4.4% |
Employment type
| Type | % |
|---|---|
| Private sector | 53.6% |
| Government | 36.8% |
| Self-employed | 9.5% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 58.9% |
| Carpool | 11.4% |
| Public transit | 0.5% |
| Walk | 8.1% |
| Other means | 4.1% |
| Avg commute (minutes) | 18.2 |
Poverty
All people
19.8%
Under 18 years
33.9%
18 and over
18.0%
Married-couple families
8.5%
Female-led households
25.2%
Income support
| Source | % of households |
|---|---|
| Social Security | 34.3% |
| Retirement income | 17.7% |
| Supplemental Security | 2.4% |
| Cash public assistance | 2.8% |
| Food stamps / SNAP | 9.3% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 32.8% |
| High cholesterol | 27.8% |
| Heart disease | 7.5% |
| Stroke | 4.5% |
| Asthma | 12.9% |
| Arthritis | 25.7% |
| Kidney disease | 3.7% |
| Pulmonary disease | 9.0% |
| Cancer | 5.7% |
| Behavior / access | % |
|---|---|
| Binge drinking | 21.7% |
| No physical activity | 28.4% |
| Less than 7 hrs sleep | 36.0% |
| Fair or poor health | 20.7% |
| Poor mental health | 17.8% |
| Poor physical health | 15.2% |
| No health insurance | 14.7% |
| Visited doctor (checkup) | 69.4% |
| Visited dentist | 49.9% |
| Cholesterol screening | 84.4% |
| Teeth loss | 22.8% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 416 | 4.9% |
| Disability | % |
|---|---|
| Any disability | 9.4% |
| Under 18 | 1.7% |
| 18–64 years | 8.6% |
| 65 and over | 29.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 40.5% |
| Public insurance | 47.9% |
| Uninsured under 19 | 13.8% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 10,301 | 93.3% |
| Spanish | 51 | 0.3% |
| 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) | 11,108 | 98.1% |
| Born in same state | 11,103 | 98.0% |
| Born in different state | 8,580 | 76.6% |
| Foreign born | 5 | 0.1% |
| Naturalized citizen | 92 | 1.9% |
| Not a US citizen | 59 | 28.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 644 | 5.8% |
| Arab | 262 | 2.3% |
| French | 239 | 2.1% |
| Polish | 174 | 1.6% |
| Ancestry | Count | % |
|---|---|---|
| German | 103 | 0.9% |
| Dutch | 33 | 0.3% |
| English | 31 | 0.3% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 31.8% |
| Internet access | 77.1% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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