New Jersey's 3rd congressional district (NJ-03)
New Jersey's 3rd congressional district (NJ-03) covers parts or all of Burlington County, Mercer County and Monmouth County, and 61 ZIP codes (44 wholly inside it). Its 2020 population was 778,024. This is the map in force for the November 3, 2026 election.
Who represents NJ-03
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (NJ-03) | Herbert C. Conaway, Jr. (D) | 202-225-4765 |
| U.S. Senator | Andy Kim (D) | 202-224-4744 |
| U.S. Senator | Cory A. Booker (D) | 202-224-3224 · contact form |
Officials serving now (members of Congress until January 3, 2027). Sources: Members of Congress: the @unitedstates project, congress-legislators (CC0).
Counties
| County | Share of the county's residents in NJ-03 |
|---|---|
| Burlington County | 94% |
| Mercer County | 46% |
| Monmouth County | 26% |
ZIP codes
Percentages mark ZIPs only partly in NJ-03: the share of that ZIP's residents inside it.
- 07726 (100%)
- 07728 (79%)
- 07730 (0.6%)
- 07733
- 07738 (0.3%)
- 07746
- 07747 (<0.1%)
- 07751
- 08010
- 08011
- 08015
- 08016
- 08019
- 08022
- 08036
- 08041
- 08042
- 08046
- 08048
- 08052 (0.1%)
- 08053
- 08054
- 08055
- 08057
- 08060
- 08064
- 08068
- 08073
- 08075
- 08077
- 08087 (3.4%)
- 08088
- 08215 (5.4%)
- 08224
- 08501
- 08505
- 08510
- 08511
- 08512 (55%)
- 08514 (63%)
- 08515
- 08518
- 08520
- 08535
- 08540 (2.5%)
- 08554
- 08555
- 08561
- 08562
- 08609 (26%)
- 08610 (85%)
- 08611 (2.0%)
- 08619
- 08620
- 08629 (38%)
- 08640
- 08641
- 08648 (100%)
- 08690
- 08691
- 08759 (<0.1%)
Towns
Allentown borough, Bass River township, Beverly city, Bordentown city, Bordentown township, Burlington city, Burlington township, Chesterfield township, Cinnaminson township, Delanco township, Delran township, East Windsor township, Eastampton township, Edgewater Park township, Englishtown borough, Evesham township, Fieldsboro borough, Florence township, Freehold borough, Hainesport township, Hamilton township, Hightstown borough, Holmdel township, Lawrence township, Lumberton township, Manalapan township, Mansfield township, Marlboro township, Medford Lakes borough, Medford township, Millstone township, Moorestown township, Mount Holly township, Mount Laurel township, New Hanover township, North Hanover township, Pemberton borough, Pemberton township, Riverside township and Riverton borough and others.
Get this in your AI agent
Your agent can draw every precinct in NJ-03, or list them with population shares (related_geographies). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
get_boundaries(id="us:congressional_district:3403", children_level="precinct", include_districts=True)