- Lead
- 1,142
- Total
- 125,977
- vs nation
- D+2.4
New Jersey 4th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 9,318
- Total
- 132,915
- vs nation
- D+2.6
- Lead
- 5,741
- Total
- 109,177
- vs nation
- D+3.2
- Lead
- 14,129
- Total
- 105,385
- vs nation
- D+9.6
- Lead
- 14,637
- Total
- 109,706
- vs nation
- D+6.1
- Lead
- 4,271
- Total
- 103,046
- vs nation
- D+6.6
- Lead
- 13,022
- Total
- 88,057
- vs nation
- D+14.3
- Lead
- 14,084
- Total
- 82,613
- vs nation
- D+8.5
Key facts
- 2024 presidential margin
- D+0.9MIT Election Lab
- Population
- 233,3802024 5-year
- Population density
- 799 / sq mi2024 5-year · TIGER/Line
- Land area
- 292 sq miTIGER/Line
- Median household income
- $102,3792024 5-year
- White (non-Hispanic)
- 66.6%2024 5-year
- Black
- 16.4%2024 5-year
- Hispanic / Latino
- 8.8%2024 5-year
- Peak Democratic margin
- D+19.9 in 1936MIT Election Lab
- Peak Republican margin
- R+55.7 in 1924MIT Election Lab
- Most similar
- State Senate District 3, NJ · twin score 91.0
presidential history
Party record book
New Jersey 4th State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
59.7%
41,439 votes · D+19.6 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 59.5%
Republican
Herbert Hoover1928
77.3%
33,371 votes · R+55.0 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 74.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
70,114votes
52.8% of the vote · D+7.0 · modeled estimate
Runner-up · Kamala Harris, 2024 · 62,688 votes
Republican
Donald Trump2024
61,546votes
48.9% of the vote · D+0.9 · modeled estimate
Runner-up · Donald Trump, 2020 · 60,796 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Al Gore2000
+14.3pts D vs U.S.
Place D+14.8 · U.S. D+0.5 · modeled estimate
Runner-up · Barack Obama, 2012 · +9.6 pts
Republican
William McKinley1896
+41.9pts R vs U.S.
Place R+48.0 · U.S. R+6.1 · modeled estimate
Runner-up · Herbert Hoover, 1932 · +38.9 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
With a 2024 presidential margin of just 1.3 points, this 233,000-resident district in New Jersey sits at the competitive edge of statewide coalitions, making it a reliable bellwether for shifts in suburban and exurban voter alignment.
Across the recorded series it reached a Democratic high of 19.9 points in 1936 and a Republican high of 55.7 points in 1924. Between 2020 and 2024 the district moved 6.1 points toward the Republican candidate; the 2024 margin was 0.9 points.
A population of 233,380, a 67% non-Hispanic-white share, and a median household income of $102,379 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 3 and State Senate District 11.
The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
New Jersey 4th State Senate District. Akashic. https://akashic.app/sld-upper/34004/. Accessed May 20, 2026. License: CC BY 4.0.