Johnson County's 2026 population is estimated at 26,194, reflecting a 0.04% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Johnson County is the 24th largest county in Arkansas. The 2010 population was 25,560 and has grown 2.48% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.1 years
Female: 40.3 years
Male: 38.1 years
There are 19,704 adults, (4,422 of whom are seniors) in Johnson County.
Female: 13,088 (50.3%)
Male: 12,915 (49.7%)
The racial composition of Johnson County includes 81.94% White, 3.28% Asian, and smaller percentages for other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 21,308 | 81.94% |
| Two or more races | 2,520 | 9.69% |
| Asian | 852 | 3.28% |
| Other race | 692 | 2.66% |
| Black or African American | 414 | 1.59% |
| Native American | 156 | 0.6% |
| Native Hawaiian or Pacific Islander | 61 | 0.23% |
Johnson County 's average per capita income is $36,354. Household income levels show a median of $45,995. The poverty rate stands at 19.79%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $70,250 | - |
| Families | $61,475 | $76,534 |
| Households | $45,995 | $62,805 |
| Non Families | $26,291 | $34,483 |
Average Income
Median Household Income
Poverty Rate