New Jersey’s 3rd Congressional District is represented by Herbert C. Conaway, Jr. (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
779,285
Median Household Income
$113,769
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+8
2024 presidential margin (Trump vs Harris). Source: The Downballot.
District boundary, 119th Congress. Boundary data: U.S. Census Bureau TIGERweb. Map tiles: OpenStreetMap.
Herbert C. Conaway, Jr. and New Jersey's 3rd Congressional District
Herbert C. Conaway, Jr., a member of the Democratic Party, represents New Jersey's 3rd Congressional District and has held the seat since January 3, 2025. 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 Armed Services and House Committee on Veterans' Affairs.
The current term ends January 3, 2027. The seat is on the ballot on Tuesday, November 3, 2026. Washington office phone: 202-225-4765. Official site: conaway.house.gov.
Current Representative
Rep. Herbert C. Conaway, Jr. (D)
119th Congress • Democrat • Representing this district since January 3, 2025
Herbert C. Conaway, Jr. currently represents New Jersey’s 3rd 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
- Herb Conaway, Democratic Incumbent
- Michael P. McGuire, Republican
- Ryan Michael Kelly, Affordability, Accountability, People
- Steven Welzer, Green Party
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
1022 Longworth House Office Building
Washington, DC 20515
Phone: (202) 225-4765
Online
Committee Assignments
About This District
The district covers all of Burlington County and parts of Mercer and Monmouth counties in New Jersey. Its largest cities are Freehold (about 13,000), Burlington (about 10,000), Hightstown (about 6,000), and Medford Lakes (about 4,000).
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 3rd Congressional District?
Herbert C. Conaway, Jr. (D) represents New Jersey's 3rd Congressional District in the U.S. House of Representatives.
What political party is Herbert C. Conaway, Jr. a member of?
Herbert C. Conaway, Jr. is a member of the Democratic Party.
How can I contact Herbert C. Conaway, Jr.?
You can reach Herbert C. Conaway, Jr. by phone at 202-225-4765 or through their official website at https://conaway.house.gov.
When does Herbert C. Conaway, Jr.'s current term end?
Herbert C. Conaway, Jr.'s current term in the U.S. House of Representatives ends on January 3, 2027.
Where is New Jersey's 3rd Congressional District?
New Jersey's 3rd 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 Herbert C. Conaway, Jr. represent?
Herbert C. Conaway, Jr. has represented New Jersey's 3rd Congressional District since January 3, 2025. The boundary map for the district is on this page.
Where can I see a map of Herbert C. Conaway, Jr.'s district?
The boundary map for New Jersey's 3rd Congressional District is on this page. It is drawn from U.S. Census Bureau TIGERweb boundary files for the 119th Congress.
What committees is Herbert C. Conaway, Jr. on?
Herbert C. Conaway, Jr. sits on House Committee on Armed Services and House Committee on Veterans' Affairs. Committee assignments come from the Clerk of the House MemberData file.
Is Herbert C. Conaway, Jr. still in Congress?
This site shows Herbert C. Conaway, Jr. holding New Jersey's 3rd 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 3rd Congressional District
This congressional district contains 63 ZIP codes. The most common 10 are shown below; expand the full list to see every ZIP in the district.
19 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 07722 (also in the 4th), 07726 (also in the 12th), 07728 (also in the 4th), 07730 (also in the 6th), 07738 (also in the 4th), 07747 (also in the 6th and 12th), 08052 (also in the 1st), 08065 (also in the 1st).
- 07722
- 07726
- 07728
- 07730
- 07733
- 07738
- 07746
- 07747
- 07751
- 08010
View all 63 ZIP codes in this district
- 07722
- 07726
- 07728
- 07730
- 07733
- 07738
- 07746
- 07747
- 07751
- 08010
- 08011
- 08015
- 08016
- 08019
- 08022
- 08036
- 08041
- 08042
- 08046
- 08048
- 08052
- 08053
- 08054
- 08055
- 08057
- 08060
- 08064
- 08065
- 08068
- 08073
- 08075
- 08077
- 08087
- 08088
- 08215
- 08224
- 08501
- 08505
- 08510
- 08511
- 08512
- 08514
- 08515
- 08518
- 08520
- 08535
- 08540
- 08554
- 08555
- 08561
- 08562
- 08609
- 08610
- 08611
- 08619
- 08620
- 08629
- 08640
- 08641
- 08648
- 08690
- 08691
- 08759
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.