
Benton County
- State:
- Arkansas
- County Seat:
- Bentonville
Benton County's estimated 2025 population is 327,395 with a growth rate of 2.57% in the past year according to the most recent United States census data. Benton County is the 2nd largest county in Arkansas. The 2010 population was 222,601 and has seen a growth of 47.08% since that time.