| Name | Johnson County |
| State | Arkansas |
| FIPS Code | 05071 |
| County Seat | Clarksville |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 26,161 |
| Population Growth Rate(2020-2024) | 1.57% |
| Majority Ethnicity | White 81.45% |
| Public School Majority Ethnicity | White 67% |
| Partisan Voting Index | Strongly Republican:+26 |
| Unemployment Rate (May 2026) | 5.8% |
| Sales Tax Rate (2025) | 7.5% |
| Area Code(s) | 479 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 81.45% |
| African American | 1.68% |
| Hispanic | 13.19% |
| Asian | 3.02% |
| Native American | 0.48% |
| Hawaiin/Pacific Islander | 0.19% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 66.67% |
| African American | 1.02% |
| Hispanic | 21.81% |
| Asian | 6.14% |
| Native American | 0.35% |
| Hawaiin/Pacific Islander | 0.74% |