
Pearl River County
- State:
- Mississippi
- County Seat:
- Poplarville
Pearl River County's estimated 2025 population is 59,568 with a growth rate of 1.35% in the past year according to the most recent United States census data. Pearl River County is the 13th largest county in Mississippi. The 2010 population was 55,683 and has seen a growth of 6.98% since that time.