Gloucester County Flag

Gloucester County

State:
New Jersey
County Seat:
Woodbury

Gloucester County's 2026 population is estimated at 317,669, reflecting a 0.94% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Gloucester County is the 14th largest county in New Jersey. The 2010 population was 289,158 and has grown 9.86% since 2010.

317,669
Total Population
987
Population Density (mi²)
14
Population Rank (State)
2.9K 0.94%
Annual Population Growth

Gloucester County Population

Demographics

Economics and Income Statistics