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Middlesex County, New Jersey
What we have for Middlesex County today, and what is coming.
Basics
- County code (FIPS): 34023
- Land area: 309 square miles
- Population: 863,162
Federal money spent here
Fiscal year 2026: $5.4 billion in federal contracts, grants, loans and other awards for work done in Middlesex County.
Who represents Middlesex County
U.S. Senate (whole state): Cory A. Booker (Democrat), Andy Kim (Democrat).
U.S. House districts that include part of this county
| District | Member | Share of county land |
|---|---|---|
| Congressional District 12 | Bonnie Watson Coleman (Democrat) | 59.2% |
| Congressional District 6 | Frank Pallone, Jr. (Democrat) | 40.8% |
State senate districts
| District | Member | Share of county land |
|---|---|---|
| State Senate District 18 | Patrick Diegnan (Democratic) | 22.4% |
| State Senate District 14 | Linda Greenstein (Democratic) | 21.9% |
| State Senate District 19 | Joe Vitale (Democratic) | 16.1% |
| State Senate District 12 | Owen Henry (Republican) | 13.4% |
| State Senate District 16 | Andrew Zwicker (Democratic) | 13.1% |
| State Senate District 17 | Bob Smith (Democratic) | 11.7% |
| State Senate District 21 | Jon Bramnick (Republican) | 1.5% |
State house / assembly districts
| District | Member | Share of county land |
|---|---|---|
| Assembly District 18 | Robert Karabinchak (Democratic), Sterley Stanley (Democratic) | 22.4% |
| Assembly District 14 | Tennille McCoy (Democratic), Wayne DeAngelo (Democratic) | 21.9% |
| Assembly District 19 | Craig Coughlin (Democratic), Yvonne Lopez (Democratic) | 16.1% |
| Assembly District 12 | Alex Sauickie (Republican), Rob Clifton (Republican) | 13.4% |
| Assembly District 16 | Mitchelle Drulis (Democratic), Roy Freiman (Democratic) | 13.1% |
| Assembly District 17 | Joe Danielsen (Democratic), Kevin Egan (Democratic) | 11.7% |
| Assembly District 21 | Andrew Macurdy (Democratic), Vinnie Kearney (Democratic) | 1.5% |
Matched by district number using the U.S. Census Bureau 2020 county–district relationship files (land area overlap; districts may have been redrawn since). Your exact district depends on your address: U.S. House · state legislators.
County government
Find the official county website and contacts in the USA.gov local government directory or the National Association of Counties explorer.
Sources: U.S. Census Bureau Gazetteer (county list, public domain); USAspending.gov (U.S. Treasury). Built 2026-11-03 15:28.