
Prince George's County
- State:
- Maryland
- County Seat:
- Upper Marlboro
Prince George's County's estimated 2025 population is 948,330 with a growth rate of 0.05% in the past year according to the most recent United States census data. Prince George's County is the 2nd largest county in Maryland. The 2010 population was 866,442 and has seen a growth of 9.45% since that time.