Big Horn County's 2026 population is estimated at 12,130, reflecting a 0.19% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Big Horn County is the 15th largest county in Wyoming. The 2010 population was 11,665 and has grown 3.99% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.7 years
Female: 41.6 years
Male: 41.8 years
There are 8,926 adults, (2,571 of whom are seniors) in Big Horn County.
Female: 5,811 (49.1%)
Male: 6,017 (50.9%)
The racial composition of Big Horn County includes 88.3% White, 3.43% other race, and smaller percentages for Native American, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 10,444 | 88.3% |
| Two or more races | 681 | 5.76% |
| Other race | 406 | 3.43% |
| Native American | 89 | 0.75% |
| Black or African American | 79 | 0.67% |
| Asian | 66 | 0.56% |
| Native Hawaiian or Pacific Islander | 63 | 0.53% |
Big Horn County 's average per capita income is $40,000. Household income levels show a median of $62,101. The poverty rate stands at 12.73%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $88,486 | - |
| Families | $80,673 | $96,533 |
| Households | $62,101 | $79,230 |
| Non Families | $34,639 | $46,070 |
Average Income
Median Household Income
Poverty Rate