Mercer County, New Jersey

county in New Jersey, United States

Mercer County is a county in New Jersey, United States of America. Trenton, the capital of New Jersey, is in Mercer County. As of the year 2020, 387,340 people lived in the county.[4] Mercer County was founded in the year 1838.[2]

Mercer County
The New Jersey State House and its golden dome at Trenton in 2006
The New Jersey State House and its golden dome at Trenton in 2006
Flag of Mercer County
Nickname: 
The Capital County[1]
Map of New Jersey highlighting Mercer County
Location within the U.S. state of New Jersey
Map of the United States highlighting New Jersey
New Jersey's location within the U.S.
Coordinates: 40°17′N 74°42′W / 40.28°N 74.70°W / 40.28; -74.70
Country United States
State New Jersey
Founded1838[2]
Named forHugh Mercer
SeatTrenton[2]
Largest municipalityHamilton Township (population)
Hopewell Township (area)
Area
 • Total228.86 sq mi (592.7 km2)
 • Land224.44 sq mi (581.3 km2)
 • Water4.42 sq mi (11.4 km2)  1.9%
Population
 • Total387,340
 • Density1,724.9/sq mi (666.0/km2)
Congressional districts3rd, 12th
Websitewww.mercercounty.org

References

change
  1. "Mercer County "The Capital County"". County of Mercer, New Jersey. Retrieved September 15, 2021.
  2. 2.0 2.1 2.2 National Association of Counties. "NACo County Explorer". Retrieved 12 January 2024.
  3. "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved January 12, 2024.
  4. 4.0 4.1 "QuickFacts: Mercer County, New Jersey". United States Census Bureau. Retrieved January 12, 2024.