Mercer County, New Jersey

In four numbers

People

385,864

Median household income

$100,645

±2,565

Unemployed

6.3%

12,788 of 202,808 in the labour force

Homes with broadband

91.4%

131,718 of 144,114 households

U.S. Census Bureau, American Community Survey 5-year estimates 2020-2024; read 2026-09-26. Percentages worked out here from the two counts shown.

Who governs here

U.S. Census Bureau, 2022 Census of Governments, Government Units List (published August 2023); the file read 2026-09-26. Offices are placed by county; a special district’s territory can cross county lines. Each body posts its own meetings on its website where the Census records one.

School districts based here

• Achievers Early College Prep Charter School

  Independent charter district1 schools

  544 Chestnut Avenue, Trenton, NJ, 08611

  Its website — where its board posts meetings. Federal record.

• Area Vocational Technical School District of Mercer County

  Specialized district5 schools

  1085 Old Trenton Rd, Trenton, NJ, 08690

  Its website — where its board posts meetings. Federal record.

• East Windsor Regional School District

  School district6 schools

  25A LESHIN LANE, Hightstown, NJ, 08520

  Its website — where its board posts meetings. Federal record.

• Ewing Township School District

  School district5 schools

  2099 Pennington Rd, Ewing, NJ, 08618

  Its website — where its board posts meetings. Federal record.

• Foundation Academy Charter School

  Independent charter district1 schools

  363 West State St, Trenton, NJ, 08618

  Its website — where its board posts meetings. Federal record.

• Hamilton Township Public School District

  School district23 schools

  90 Park Avenue, Hamilton, NJ, 08690

  Its website — where its board posts meetings. Federal record.

• Hopewell Valley Regional School District

  School district6 schools

  425 South Main St, Pennington, NJ, 08534

  Its website — where its board posts meetings. Federal record.

• International Charter School of Trenton

  Independent charter district1 schools

  105 Grand Street, Trenton, NJ, 08611

  Its website — where its board posts meetings. Federal record.

• Lawrence Township Public School District

  School district7 schools

  2565 Princeton Pike, Lawrenceville, NJ, 08648

  Its website — where its board posts meetings. Federal record.

• McCorristin Charter School District

  Independent charter district1 schools

  175 Leonard Avenue, Hamilton, NJ, 08610

  Its website — where its board posts meetings. Federal record.

• Mercer County Special Services School District

  School district3 schools

  1020 Old Trenton Road, Hamilton, NJ, 08690

  Its website — where its board posts meetings. Federal record.

• Pace Charter School of Hamilton

  Independent charter district1 schools

  52 Lafayette Ave, Hamilton, NJ, 08610

  Its website — where its board posts meetings. Federal record.

• Paul Robeson Charter School for the Humanities

  Independent charter district1 schools

  643 Indiana Ave., Trenton, NJ, 08638

  Its website — where its board posts meetings. Federal record.

• Princeton Charter School

  Independent charter district1 schools

  100 Bunn Drive, Princeton, NJ, 08540

  Its website — where its board posts meetings. Federal record.

• Princeton Public School District

  School district6 schools

  25 Valley Road, Princeton, NJ, 08540

  Its website — where its board posts meetings. Federal record.

• Robbinsville Public School District

  School district3 schools

  155 Robbinsville Edinburg Rd., Robbinsville, NJ, 08691

  Its website — where its board posts meetings. Federal record.

• The Village Charter School

  Independent charter district1 schools

  101 Sullivan Way, Trenton, NJ, 08628

  Its website — where its board posts meetings. Federal record.

• Trenton Public School District

  School district25 schools

  108 North Clinton Avenue, Trenton, NJ, 08609

  Its website — where its board posts meetings. Federal record.

• Trenton STEM-to-Civics Charter School

  Independent charter district1 schools

  1555 Pennington Road, Ewing, NJ, 08618

  Its website — where its board posts meetings. Federal record.

• West Windsor-Plainsboro Regional School District

  School district10 schools

  321 Village Rd East, West Windsor, NJ, 08550

  Its website — where its board posts meetings. Federal record.

National Center for Education Statistics, Common Core of Data 2024-25; read 2026-09-26.

Farmers markets

• Blue Moon Acres Farm Market- Pennington, NJ

  11 Willow Creek Dr. Pennington, NJ, 08534

  Gathered by USDA from the web; USDA record last changed 2023-03-27. USDA listing

• Pennington Farmers Market

  101 Route 31 N, Pennington, NJ, 08534

  Submitted by the market; USDA record last changed 2021-01-23. USDA listing

• Princeton Farmers Market

  55 Witherspoon Street, Princeton, NJ

  SNAP / EBTWICSenior coupons

  Submitted by the market; USDA record last changed 2025-08-13. USDA listing

• West Windsor Community Farmers Market - main season

  877 Alexander Road, West Windsor Township, NJ

  SNAP / EBTWICSenior coupons

  Submitted by the market; USDA record last changed 2025-07-31. USDA listing

USDA National Farmers Market Directory; read 2026-09-26.