Middlesex
NJ flag

Middlesex

County

Details

GEOID
34023
State
NJ
Population
883,335 (2025 est.)
Data Source
Census tiger
Center Coordinates
40.4401, -74.4089

Geographic Boundary

Data Completeness

60% (6/10)
Geographic boundary
Center coordinates
Wikipedia link
Budget link
Agencies (7)
Services
Legislative bodies
Elected officials (7)
State abbreviation
Parent jurisdiction

Agencies (7)

Middlesex County Clerk's Office

Executive Middlesex

Constitutional office responsible for recording documents, issuing licenses, and administering elections in Middlesex County

Middlesex County Sheriff's Office

Public_safety Middlesex

Constitutional office responsible for law enforcement, court security, civil process, and corrections in Middlesex County

Middlesex County Surrogate's Office

Executive Middlesex

Constitutional office responsible for probate matters, estate administration, and guardianship in Middlesex County

Middlesex County Board of County Commissioners

Legislative Middlesex

Governing body of Middlesex County consisting of seven at-large commissioners elected to staggered three-year terms

Middlesex County Administrator's Office

Executive Middlesex

Chief executive and administrative office for Middlesex County government, headed by the County Administrator who reports to the Board of County Commissioners

Middlesex County Prosecutor's Office

Judicial Middlesex

Chief law enforcement office for Middlesex County, responsible for criminal prosecution and public safety

Middlesex County Department of Transportation

Executive Middlesex

Department responsible for county roads, bridges, and public works infrastructure in Middlesex County, includes the Office of Public Works