Akashic
1892–2024
Akashic
Trenton-Princeton, NJ
presidential margin
2008D+36.12012D+36.72016D+37.12020D+40.42024D+33.9
full record · 1892 → 2024
D+33.9
2024
median income$100,645U.S. $80,734 · NJ $103,556
median age39.5U.S. 39.1 · NJ 40.3
poverty rate10.3%U.S. 12.5% · NJ 9.7%
bachelor’s+ (25+)45.4%U.S. 35.6% · NJ 43.5%
non-english35.7%U.S. 22.3% · NJ 33.2%
race · ethnicity · ancestry
Italian10.2%
Irish9.8%
German8.3%
Guatemalan6.0%
Puerto Rican5.0%
Dominican2.8%
African American†13.7%
Haitian1.0%
Jamaican0.8%
Asian Indian7.2%
Chinese2.4%
Filipino0.7%
religion
other traditions
Mainline6.6%
Black Protestant2.3%
Jewish1.6%
Muslim1.3%
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents, unaffiliated is the unclaimed remainder.

Trenton-Princeton, NJ, New Jersey

Akashic
Trenton-Princeton, NJHarrisD+33.9
—
2024 presidential margin by county for Trenton-Princeton, NJ, NJA map of the single county of Trenton-Princeton, NJ, NJ, outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), seated within the faint outlines of the surrounding states.Mercer County, NJ · D+33.9
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic65.9%107,558
Donald TrumpRepublican32.0%52,274
Jill SteinGreen2.1%3,438
D+60
R+60
A single county, filled by its 2024 D-vs-R margin. Hover it for the full result.
County-level results (1 county) — table
2024 presidential result by county for Trenton-Princeton, NJ, NJ — winner and D-vs-R margin.
CountyWinnerMargin
Mercer County, NJDemocraticD+33.9
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
D
65.9%Harris107,558
32.0%Trump52,274
2.1%Stein3,438
+33.9%
163,270
D
69.8%Biden122,532
29.4%Trump51,641
0.8%Jorgensen1,427
+40.4%
175,600
D
66.3%Clinton104,775
29.2%Trump46,193
4.5%Johnson7,090
+37.1%
158,058
D
67.2%Obama104,377
30.5%Romney47,355
2.3%Johnson3,623
+36.7%
155,355
D
67.4%Obama107,926
31.4%McCain50,223
1.2%Nader1,890
+36.1%
160,039
D
61.3%Kerry91,580
37.9%Bush56,604
0.9%Other1,326
+23.4%
149,510
D
61.4%Gore83,256
34.4%Bush46,670
4.2%Nader5,633
+27.0%
135,559
D
58.9%Clinton77,641
30.8%Dole40,559
10.3%Perot13,526
+28.2%
131,726
D
49.1%Clinton71,383
34.7%Bush50,473
16.1%Perot23,404
+14.4%
145,260
D
50.8%Dukakis68,712
48.3%Bush65,384
0.9%G.1,249
+2.5%
135,345
R
48.1%Mondale66,398
51.5%Reagan71,195
0.4%Holmes528
−3.5%
138,121
D
47.4%Carter60,888
41.6%Reagan53,450
11.1%Anderson14,244
+5.8%
128,582
D
53.2%Carter69,621
44.7%Ford58,453
2.1%McCarthy2,782
+8.5%
130,856
R
46.7%McGovern62,180
52.0%Nixon69,303
1.3%Schmitz1,708
−5.3%
133,191
D
50.4%Humphrey63,218
36.1%Nixon45,354
13.5%Wallace16,957
+14.2%
125,529
D
71.2%Johnson86,985
28.7%Goldwater35,081
0.1%Hass148
+42.5%
122,214
D
61.2%Kennedy74,166
38.7%Nixon46,924
0.1%Byrd179
+22.5%
121,269
R
48.3%Stevenson52,684
51.4%Eisenhower56,029
0.4%Andrews392
−3.1%
109,105
D
53.1%Stevenson57,751
46.4%Eisenhower50,423
0.4%Hallinan488
+6.7%
108,662
D
55.6%Truman49,690
42.3%Dewey37,794
2.2%Thurmond1,952
+13.3%
89,436
D
58.6%Roosevelt52,383
41.2%Dewey36,844
0.2%Thomas144
+17.4%
89,371
D
57.3%Roosevelt50,121
42.5%Willkie37,190
0.3%Thomas222
+14.8%
87,533
D
61.5%Roosevelt47,702
37.8%Landon29,283
0.7%Lemke579
+23.7%
77,564
R
45.3%Roosevelt30,284
50.4%Hoover33,715
4.3%Thomas2,880
−5.1%
66,879
R
40.2%Smith27,908
59.2%Hoover41,056
0.5%Thomas374
−19.0%
69,338
R
28.4%Davis14,639
59.5%Coolidge30,689
12.1%La Follette6,223
−31.1%
51,551
R
33.7%Cox15,713
63.5%Harding29,626
2.9%Debs1,344
−29.8%
46,683
R
41.7%Wilson10,621
55.8%Hughes14,213
2.6%Benson659
−14.1%
25,493
D
36.8%Wilson7,773
26.9%Taft5,676
36.3%Roosevelt7,671
+9.9%
21,120
R
36.7%Bryan9,289
59.0%Taft14,941
4.3%Debs1,099
−22.3%
25,329
R
34.9%Parker8,527
60.9%Roosevelt14,900
4.3%Debs1,040
−26.0%
24,467
R
34.9%Bryan7,858
61.7%McKinley13,874
3.4%Woolley766
−26.7%
22,498
R
28.8%Bryan5,970
66.8%McKinley13,847
4.3%Palmer901
−38.0%
20,718
R
47.5%Cleveland9,348
49.8%Harrison9,795
2.7%Weaver528
−2.3%
19,671
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1892 to 2024. Most recent: +33.9% in 2024.flipped D · 1988+33.9%DR18922024
Presidential margin over time
YearMargin (D minus R)
1892−2.3%
1896−38.0%
1900−26.7%
1904−26.0%
1908−22.3%
1912+9.9%
1916−14.1%
1920−29.8%
1924−31.1%
1928−19.0%
1932−5.1%
1936+23.7%
1940+14.8%
1944+17.4%
1948+13.3%
1952+6.7%
1956−3.1%
1960+22.5%
1964+42.5%
1968+14.2%
1972−5.3%
1976+8.5%
1980+5.8%
1984−3.5%
1988+2.5%
1992+14.4%
1996+28.2%
2000+27.0%
2004+23.4%
2008+36.1%
2012+36.7%
2016+37.1%
2020+40.4%
2024+33.9%
DemocraticRepublican

Mercer County's electorate pairs the dense, Democratic-leaning precincts of Trenton's majority-minority neighborhoods with the high-education swing vote concentrated around Princeton, producing consistent but margin-sensitive results in statewide races.

Across the recorded series it reached a Democratic high of 42.5 points in 1964 and a Republican high of 38.0 points in 1896. Between 2020 and 2024 the metro moved 6.5 points toward the Republican candidate; the 2024 margin was 33.9 points.

A population of 385,864, a 43% non-Hispanic-white share, and a median household income of $100,645 describe the metro. The metro's voting pattern over the last decade is most similar to that of San Francisco-Oakland-Fremont, CA and New York-Newark-Jersey City, NY-NJ.

Political twins — metros

The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

San Francisco-Oakland-Fremont, CA
93.1twin score
2000–2024 trajectory≠ population scale
New York-Newark-Jersey City, NY-NJ
92.2twin score
2000–2016 trajectory% Asian≠ population scale
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
91.9twin score
2000–2024 trajectory≠ population scale

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.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Trenton-Princeton, NJ, New Jersey. Akashic. https://akashic.app/cbsa/45940/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Embed this page
A live widget for your site — no API key, attribution built in, CC BY 4.0. All widgets & sizes →
Embed & data: CC BY 4.0 · Akashic Intelligence
U.S. electionsAll elections →
Presidentevery cycleUS Senateevery cycleUS Houseevery cycleGovernorevery cycle

Places within Trenton-Princeton, NJ

counties1
Mercer County

Frequently asked questions

How did Trenton-Princeton, NJ, New Jersey vote in 2024?
In 2024, Trenton-Princeton, NJ, New Jersey voted Democratic by 33.9 points (D+33.9), carried by the Democratic candidate. Out of 163,270 votes cast, 107,558 went Democratic and 52,274 went Republican.
When did Trenton-Princeton, NJ, New Jersey last vote Republican?
The most recent presidential election in which Trenton-Princeton, NJ, New Jersey voted Republican was 1984.
How many people live in Trenton-Princeton, NJ, New Jersey?
Trenton-Princeton, NJ, New Jersey has a population of 385,864 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Trenton-Princeton, NJ, New Jersey?
Median household income in Trenton-Princeton, NJ, New Jersey is $100,645 — above the national median of $80,734. The New Jersey state median is $103,556.
What is the political history of Trenton-Princeton, NJ, New Jersey?
Akashic tracks 34 presidential elections in Trenton-Princeton, NJ, New Jersey from 1892 to 2024. Of those, 21 went Democratic and 13 went Republican.