Passaic County Flag

Passaic County

State:
New Jersey
County Seat:

Passaic County's estimated 2026 population is 539,353 with a growth rate of 1.2% in the past year according to the most recent United States census data. Passaic County is the 9th largest county in New Jersey. The 2010 population was 502,010 and has seen a growth of 7.44% since that time.

539,353
Total Population
2,900
Population Density (mi²)
9
Population Rank (State)
6.4K 1.2%
Annual Population Growth

Passaic County Population

Demographics

Economics and Income Statistics