Johnson County's 2026 population is estimated at 225,249, reflecting a 3.37% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Johnson County is the 26th largest county in Texas. The 2010 population was 151,251 and has grown 48.92% since 2010.
Data after 2023 is projected based on recent change
Overall: 37.1 years
Female: 37.8 years
Male: 36.4 years
There are 145,338 adults, (27,436 of whom are seniors) in Johnson County.
Female: 97,256 (49.7%)
Male: 98,341 (50.3%)
The racial composition of Johnson County includes 71.89% White, 5.66% other race, 5.44% Black or African American, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 140,616 | 71.89% |
| Two or more races | 29,185 | 14.92% |
| Other race | 11,065 | 5.66% |
| Black or African American | 10,634 | 5.44% |
| Asian | 2,396 | 1.22% |
| Native American | 1,532 | 0.78% |
| Native Hawaiian or Pacific Islander | 169 | 0.09% |
Johnson County 's average per capita income is $52,340. Household income levels show a median of $84,859. The poverty rate stands at 10%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $110,573 | $126,411 |
| Families | $94,954 | $114,614 |
| Households | $84,859 | $103,542 |
| Non Families | $40,960 | $56,301 |
Average Income
Median Household Income
Poverty Rate
