New Jersey’s 12th Congressional District is represented by Bonnie Watson Coleman (D) in the U.S. House of Representatives. The district is one of New Jersey’s seats in the 435-member House of Representatives. After the 2020 Census, the average congressional district had 761,169 people, according to the U.S. Census Bureau, and these district boundaries were drawn during the redistricting cycle that followed.
Congressional representatives serve two-year terms and face election every even-numbered year. The next election for this seat will take place on November 3, 2026.
Population
771,004
Median Household Income
$108,871
Population and income: U.S. Census Bureau, American Community Survey 5-year estimates for 2019 to 2023, for district lines in effect on January 1, 2023.
Partisan Lean
D+24
2024 presidential margin (Trump vs Harris). Source: The Downballot.
District boundary, 119th Congress. Boundary data: U.S. Census Bureau TIGERweb. Map tiles: OpenStreetMap.
Bonnie Watson Coleman and New Jersey's 12th Congressional District
Bonnie Watson Coleman, a member of the Democratic Party, represents New Jersey's 12th Congressional District and has held the seat since January 6, 2015. The boundary map for the district is above and the ZIP codes it covers are listed further down this page.
Committee assignments: House Committee on Appropriations and House Committee on the Budget.
The current term ends January 3, 2027. The seat is on the ballot on Tuesday, November 3, 2026. Washington office phone: 202-225-5801. Official site: watsoncoleman.house.gov.
Current Representative
Rep. Bonnie Watson Coleman (D)
119th Congress • Democrat • Representing this district since January 6, 2015
Bonnie Watson Coleman currently represents New Jersey’s 12th Congressional District as a member of the Democratic Party in the United States House of Representatives. The representative’s district office helps constituents with federal casework, such as Social Security claims and veterans’ benefits.
2026 Election
On the ballot November 3, 2026
- Adam Hamawy, Democratic
- Gregg Mele, Republican
- Andres Jinete, Green Party
- Winston Jordan, Get Money Out
Source: New Jersey Division of Elections, official general election candidate list, checked September 26, 2026. Write-in candidates are not listed.
Key dates for November 3, 2026
| Register by mail | Tuesday, October 13 Application must be postmarked by this date. |
|---|---|
| Register online | Tuesday, October 13 |
| Register in person | Tuesday, October 13 |
| Early in-person voting | October 24 to November 1 |
| Request a mail ballot | Tuesday, October 27 Mailed or online applications must be received by October 27. You can apply in person at the county clerk until 3 p.m. on November 2. |
| Return a mail ballot | Postmarked by November 3 and received by November 9, or dropped off by 8 p.m. on November 3. |
| Election Day | Tuesday, November 3, 2026 |
Check your registration with the New Jersey voter lookup. Dates come from the New Jersey election office and were checked September 26, 2026. States can change deadlines, so confirm with your election office before you act.
Polling places in New Jersey are open 6 a.m. to 8 p.m., local time. Confirm your registration and polling place on the official federal voter page for New Jersey: vote.gov.
What is on the ballot nationally on November 3, 2026
Contact Your Representative
Washington Office
168 Cannon House Office Building
Washington, DC 20515
Phone: (202) 225-5801
Online
Committee Assignments
About This District
The district covers parts of Middlesex, Mercer, Somerset, and Union counties in New Jersey. Its largest cities are Trenton (about 91,000), Plainfield (about 55,000), Princeton (about 31,000), and North Plainfield (about 23,000).
Learn more about congressional districts
- What is a congressional district?
- What does a U.S. Representative do?
- What is gerrymandering?
- How congressional redistricting works
Frequently Asked Questions
Who represents New Jersey's 12th Congressional District?
Bonnie Watson Coleman (D) represents New Jersey's 12th Congressional District in the U.S. House of Representatives.
What political party is Bonnie Watson Coleman a member of?
Bonnie Watson Coleman is a member of the Democratic Party.
How can I contact Bonnie Watson Coleman?
You can reach Bonnie Watson Coleman by phone at 202-225-5801 or through their official website at https://watsoncoleman.house.gov.
When does Bonnie Watson Coleman's current term end?
Bonnie Watson Coleman's current term in the U.S. House of Representatives ends on January 3, 2027.
Where is New Jersey's 12th Congressional District?
New Jersey's 12th Congressional District is located in the state of New Jersey and is one of the 435 voting congressional districts in the U.S. House of Representatives.
What district does Bonnie Watson Coleman represent?
Bonnie Watson Coleman has represented New Jersey's 12th Congressional District since January 6, 2015. The boundary map for the district is on this page.
Where can I see a map of Bonnie Watson Coleman's district?
The boundary map for New Jersey's 12th Congressional District is on this page. It is drawn from U.S. Census Bureau TIGERweb boundary files for the 119th Congress.
What committees is Bonnie Watson Coleman on?
Bonnie Watson Coleman sits on House Committee on Appropriations and House Committee on the Budget. Committee assignments come from the Clerk of the House MemberData file.
Is Bonnie Watson Coleman still in Congress?
This site shows Bonnie Watson Coleman holding New Jersey's 12th Congressional District, checked against the Clerk of the House member list. All 435 House seats are on the ballot on November 3, 2026, so the answer can change with that election.
Nearby Districts in New Jersey
ZIP Codes in New Jersey's 12th Congressional District
This congressional district contains 51 ZIP codes. The most common 10 are shown below; expand the full list to see every ZIP in the district.
21 of these ZIP codes also extend into another New Jersey district, so a ZIP code here does not always identify a single representative. Examples include 07060 (also in the 6th), 07063 (also in the 6th), 07726 (also in the 3rd), 07747 (also in the 3rd and 6th), 08512 (also in the 3rd), 08525 (also in the 7th), 08530 (also in the 7th), 08540 (also in the 3rd).
- 07060
- 07062
- 07063
- 07726
- 07747
- 08502
- 08512
- 08525
- 08528
- 08530
View all 51 ZIP codes in this district
- 07060
- 07062
- 07063
- 07726
- 07747
- 08502
- 08512
- 08525
- 08528
- 08530
- 08534
- 08536
- 08540
- 08542
- 08544
- 08550
- 08553
- 08558
- 08560
- 08608
- 08609
- 08610
- 08611
- 08618
- 08628
- 08629
- 08638
- 08648
- 08805
- 08807
- 08810
- 08812
- 08816
- 08821
- 08823
- 08824
- 08828
- 08831
- 08835
- 08844
- 08846
- 08850
- 08852
- 08857
- 08873
- 08880
- 08882
- 08884
- 08890
- 08901
- 08902
ZIP-to-district boundaries sourced from the U.S. Census Bureau's 2024-07-30 Block Equivalency File for the 119th Congress. ZCTAs (ZIP Code Tabulation Areas) approximate USPS delivery ZIPs.
U.S. Senators for this state: Cory A. Booker (D), Andy Kim (D)
Last updated September 27, 2026.
Data last checked September 26, 2026.
See how this district compares with another using Compare Districts.