Richmond County Flag

Richmond County

State:
New York
County Seat:
Staten Island

Richmond County's 2026 population is estimated at 505,088, reflecting a 0.69% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Richmond County is the 10th largest county in New York. The 2010 population was 469,607 and has grown 7.56% since 2010.

505,088
Total Population
8,708
Population Density (mi²)
10
Population Rank (State)
3.4K 0.69%
Annual Population Growth

Richmond County Population

Demographics

Economics and Income Statistics