Mercer County, NJ – County Government Email Format
Government AdministrationNew Jersey, United States501-1000 Employees
Mercer County operates as a regional government that emphasizes openness, accessibility, and accountability in its administration to serve 12 municipalities and the county’s residents. It aims to improve quality of life across the region while maintaining a scale that preserves close connections to individuals. Based in Trenton, the county is a center for commerce and culture in central New Jersey, and it preserves cultural and historic sites such as Revolutionary War locations in Trenton and Princeton. The county supports a broad transportation network, with access to major highways, interstates, rail services, a light rail system, and Trenton-Mercer Airport, facilitating movement for people and commerce. It encompasses a range of higher education institutions—Princeton University, Rider University, The College of New Jersey, Thomas Edison State University, and Mercer County Community College—contributing to a skilled local workforce. In January 2026, Mercer County launched a Trail Grant to promote outdoor recreation, reflecting a commitment to expanding public amenities and community programs.