Passaic County, New Jersey
Passaic County | |
|---|---|
Location within the U.S. state of New Jersey | |
New Jersey's location within the U.S. | |
| Coordinates: 41°02′N 74°18′W / 41.03°N 74.30°W | |
| Country | United States |
| State | New Jersey |
| Founded | February 7, 1837 |
| Named after | "Pasaeck", a Lenape word meaning "valley" |
| Seat | Paterson |
| Largest municipality | Paterson (population) West Milford (area) |
| Government | |
| • Commissioner Director | Pat Lepore (D, term ends December 31, 2025) |
| Area | |
• Total | 198.39 sq mi (513.8 km2) |
| • Land | 186.01 sq mi (481.8 km2) |
| • Water | 12.38 sq mi (32.1 km2) 6.2% |
| Population (2020) | |
• Total | 524,118 |
• Estimate (2024) | 526,597 |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional districts | 5th, 9th, 11th |
| Website | passaiccountynj |
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 most populous place in Passaic County is Paterson, the county seat, with 159,732 residents at the 2020 Census, more than 30% of the county's population, while West Milford covered 80.32 square miles (208.0 km2), the largest total area of any municipality and more than 40% of the county's area. The county is part of the North Jersey region of the state.