Passaic County
Sign in to savecounty in New Jersey, United States
Key facts
- Country
- United States
- State
- New Jersey
- Founded
- February 7, 1837
- Named after
- "Pasaeck" ( Lenape word meaning "valley")
- Seat
- Paterson
- Largest municipality
- Paterson (population), West Milford (area)
- Commissioner director
- John Bartlett ( D )
- Total
- 198.39 sq mi (513.8 km )
- Land
- 186.01 sq mi (481.8 km )
- Water
- 12.38 sq mi (32.1 km ) 6.2%
- Estimate 2025
- 531,624
- Density
- 2,817.7/sq mi (1,087.9/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
- UTC−4 ( EDT )
- Congressional districts
- 5th , 9th , 11th
- Website
- passaiccountynj .org
via Wikipedia infobox
Article
Bergen and Passaic counties, 1872
Passaic County (/pəˈseɪ.ɪk/ pə-SAY-ik or locally /pəˈseɪk/ pə-SAYK) is a county in the U.S. state of New Jersey that is part of the New York metropolitan area. As of the 2020 United States census, the county was the state's eighth-most-populous county, with a population of 524,118, its highest decennial count ever and an increase of 22,892 (+4.6%) from the 2010 census count of 501,226, which in turn reflected an increase of 12,177 (+2.5%) from the 489,049 counted in the 2000 census. The United States Census Bureau's Population Estimates Program estimated a 2025 population of 531,624, an increase of 7,506 (+1.4%) from the 2020 decennial census. The county is part of the North Jersey region of the state.