AI overview
Essex County is a county located in northeastern New Jersey that includes major cities like Newark and East Orange. It is an important urban and economic center in the state, with a significant population and long history of industrial and commercial development.
AI-generated from the Wikipedia summary — may contain errors.
Key facts
- Country
- United States
- State
- New Jersey
- Founded
- March 7, 1683
- Named after
- Essex , England
- Seat
- Newark
- Largest city
- Newark (population and area)
- County executive
- Joseph N. DiVincenzo Jr. ( D , term ends December 31, 2026)
- Total
- 129.42 sq mi (335.2 km )
- Land
- 126.09 sq mi (326.6 km )
- Water
- 3.34 sq mi (8.7 km ) 2.6%
- Estimate 2025
- 896,379
- Density
- 6,850.1/sq mi (2,644.8/km )
- Time zone
Article
Essex County is located in the northeastern part of the U.S. state of New Jersey, and is one of the centrally located counties in the New York metropolitan area. As of the 2020 census, the county was the state's second-most populous county, with a population of 863,728, its highest decennial count since the 1970 census and an increase of 79,759 (+10.2%) from the 2010 census count of 783,969. The county is part of the North Jersey region of the state.
The United States Census Bureau's Population Estimates Program estimated a 2025 population of 896,379, an increase of 32,651 (+3.8%) from the 2020 decennial census. Its county seat is Newark, the state's most populous city with a 2020 census population of 311,549.