Big Horn County, Wyoming Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 15th-largest in Wyoming
The population of Big Horn County, Wyoming is 11,737 as of the 2023 American Community Survey, making it the 15th-largest county in Wyoming. The median household income is $60,547, the median home value is $198,200, and the median age is 41.5.
The population of Big Horn County has grown 3.6% since 2010 (11,665 → 12,084), a +0.25% annualized rate.
11,737
Population
+0.25%
Annual growth
4
People / sq mi
$60,547
Median Income
$198,200
Median Home Value
Big Horn County covers 3,137 sq mi of land at 3.7 people per square mile.
About Big Horn County, WY
Big Horn County is a county in Wyoming with a population of 11,737. It ranks #15 among counties in Wyoming by population. The median age is 41.5, older than the national median. The population is 51.3% male and 48.7% female.
The median household income in Big Horn County is $60,547, below the US median of $74,580. 8.7% of residents live below the federal poverty level. Home values sit at a median of $198,200, with monthly rent averaging $876. The homeownership rate of 77.2% is higher than the national rate of 64.8%.
Educational attainment in Big Horn County reflects 20.9% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.6% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 18.5 minutes each way.
Big Horn County Population History (2010-2024)
The county of Big Horn County had a population of 11,665 in 2010 and 12,084 in 2024, a 3.6% growth over 14 years. The peak was 12,084 in 2024. Average annual growth rate: 0.26%.
12,084
Population (2024)
11,665
Population (2010)
12,084
Peak (2024)
0.26%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 11,665 |
| 2011 | 11,723 |
| 2012 | 11,761 |
| 2013 | 11,941 |
| 2014 | 11,864 |
| 2015 | 11,965 |
| 2016 | 11,949 |
| 2017 | 11,888 |
| 2018 | 11,887 |
| 2019 | 11,746 |
| 2020 | 11,479 |
| 2021 | 11,641 |
| 2022 | 11,876 |
| 2023 | 12,061 |
| 2024 | 12,084 |
Race & Ethnicity
| White | 89.0% |
| Black or African American | 0.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.3% |
| Two or More Races | 0.0% |
Age & Sex
41.5
Median Age
48.7%
Female
51.3%
Male
21.5%
Age 65+
Age Distribution
Children (under 15): 19.8% · Seniors (65+): 21.5%
Income & Poverty
| Median household income | $60,547$-14,268 vs state |
| Mean household income | $77,224 |
| Per-capita income | $31,066 |
| Poverty rate | 8.7%+1.6% vs state |
| Unemployment rate | 3.0% |
| Employment-to-population | 56.0% |
Top Industries by Employment
The largest employment sector in Big Horn County is professional & business services, accounting for 25.0% of workers.
How residents commute
0.5%
Drive alone
3.2%
Carpool
76.5%
Public transit
8.6%
Work from home
18.5 min
Avg commute
Housing
$198,200$-86,900 vs state
Median home value
$876
Median rent
77.2%
Homeownership rate
5,370
Total housing units
81.1%
Occupied
18.9%
Vacant
22.8%
Renter-occupied
Social & access
85.4%
With health insurance
92.7%
With broadband internet
42.4%
Foreign-born
9.2%
Veterans (18+)
16.9%
With a disability
92.9%
Speak language other than English at home
Education
88.0%
High School+
20.9%
Bachelor's+
Largest cities in Wyoming
Other counties in Wyoming
Part of Wyoming
Metro areas in Wyoming
County rankings
Frequently Asked Questions
Big Horn County, Wyoming has a population of 11,737 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 15th-largest county in Wyoming. Population density is 4 people per square mile.
The population of Big Horn County has grown 3.6% since 2010 (11,665 → 12,084), a +0.25% annualized rate.
The median household income in Big Horn County, Wyoming is $60,547, with mean (average) household income of $77,224 and per-capita income of $31,066. 8.7% of residents live below the federal poverty level.
In Big Horn County, the largest racial and ethnic groups are White (89.0%), Hispanic or Latino (2.3%), Black or African American (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Big Horn County, Wyoming is 41.5 years. Residents are 48.7% female and 51.3% male.
The median home value in Big Horn County is $198,200 and median monthly rent is $876. 77.2% of occupied housing units are owner-occupied. The county has 5,370 total housing units, 18.9% of which are vacant.
The largest employment sector in Big Horn County, Wyoming is professional, scientific, and management services, employing 25.0% of workers. The unemployment rate is 3.0%.
Cheyenne is among the largest cities associated with Big Horn County, Wyoming, with a population of 64,976.
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Statewide data for Wyoming
Population, race, income, age, and trends across Wyoming
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.