Rockland County Flag

Rockland County

State:
New York
County Seat:
New City

Rockland County's 2026 population is estimated at 357,812, reflecting a 1.37% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Rockland County is the 13th largest county in New York. The 2010 population was 312,497 and has grown 14.5% since 2010.

357,812
Total Population
2,056
Population Density (mi²)
13
Population Rank (State)
4.8K 1.37%
Annual Population Growth

Rockland County Population

Demographics

Economics and Income Statistics