
Johnson County
- State:
- Arkansas
- County Seat:
- Clarksville
Johnson County's estimated 2025 population is 26,447 with a growth rate of 0.6% in the past year according to the most recent United States census data. Johnson County is the 24th largest county in Arkansas. The 2010 population was 25,560 and has seen a growth of 3.47% since that time.