99chambers

U.S. House seat · lines in effect since 2022

New Jersey's 3rd District

A district of about 780,000 people, 46% of adults with a bachelor's degree. It votes D+9.7 relative to the nation for president.

Herbert C. Conaway, Jr. (D) · since Jan 3, 2025Next election Nov 7, 2028The 2026 race →
NJ-3

Source: 2026 results: civicAPI; boundaries: Census Bureau TIGER/LineUpdated Nov 7, 2026, 3:01 PM ET

Where it sits among all 435 seats

Every U.S. House seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

D+9.7166th most
Democratic
Most DemocraticMost Republican218th seat · the majority line108121116NJ-359724

Labels below the bar mark 11 other seats in New Jersey.

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

202220242026
U.S. SenateNo raceD+13.5No race
U.S. HouseD+11.8D+8.6D+27.3

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 435 seats. Small marks are other seats in New Jersey. The black marker is NJ-3.

Adults with a bachelor's degree46% 83rd pct · 5th of 12 in NJ

Higher than 83% of seats.

White adults without a degree34% 42nd pct · 4th of 12 in NJ

Lower than 58% of seats.

Hispanic residents12% 47th pct · 11th of 12 in NJ

Lower than 53% of seats.

Black residents12% 66th pct · 4th of 12 in NJ

Higher than 66% of seats.

Asian residents8% 79th pct · 7th of 12 in NJ

Higher than 79% of seats.

People per square mile706 63rd pct · 10th of 12 in NJ

Denser than 63% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Seats most like this one

Nearest seats on demographics, density and lean. 1 of the 4 flipped this year.

IL-11
46% college gradsD+12.5Held DMD-6
41% college gradsD+7.2Held DPA-6
49% college gradsD+12.4Held DNE-2
42% college gradsD+5.1Flipped D

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Who has held it

These lines took effect in 2022.

  1. Herb Conaway (D)
    2025– · Won 2024 by 8.6, 2026 by 27.3
  2. Andy Kim (D)
    2023–2025 · Won 2022 by 11.8

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)