Johnson County's 2026 population is estimated at 8,825, reflecting a 0.12% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Johnson County is the 17th largest county in Wyoming. The 2010 population was 8,591 and has grown 2.72% since 2010.
Data after 2023 is projected based on recent change
Overall: 47.3 years
Female: 47.3 years
Male: 48.1 years
There are 7,010 adults, (2,392 of whom are seniors) in Johnson County.
Female: 4,229 (48.7%)
Male: 4,457 (51.3%)
The racial composition of Johnson County includes 91.69% White, and smaller percentages for other race, Native American, Asian, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 7,964 | 91.69% |
| Two or more races | 308 | 3.55% |
| Other race | 222 | 2.56% |
| Native American | 144 | 1.66% |
| Asian | 47 | 0.54% |
| Black or African American | 1 | 0.01% |
Johnson County 's average per capita income is $53,002. Household income levels show a median of $64,871. The poverty rate stands at 9.11%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $91,364 | - |
| Families | $78,333 | $99,784 |
| Households | $64,871 | $90,983 |
| Non Families | $52,829 | $76,833 |
Average Income
Median Household Income
Poverty Rate