Middlesex, New Jersey — Presidential Election Results

Middlesex, New Jersey has voted Democratic in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 2.3 pts more Dem. than New Jersey overall.

Jump to year: 2000 · 2004 · 2008 · 2012 · 2016 · 2020 · 2024

Full Election History, 2000–2024

Year Winner Party Votes Vote Share Margin Total Votes Cast Swing Vs. New Jersey
2000 Al Gore Democratic 154,998 59.9% 23.7 pts (61,453 votes) 258,849 — 8.3 pts more Dem.
2004 John Kerry Democratic 166,628 56.3% 13.6 pts (40,136 votes) 295,805 -11.0 pts 6.9 pts more Dem.
2008 Barack Obama Democratic 193,812 60.9% 22.0 pts (70,117 votes) 318,379 +8.4 pts 6.4 pts more Dem.
2012 Barack Obama Democratic 190,555 63.2% 27.6 pts (83,245 votes) 301,315 +5.9 pts 10.0 pts more Dem.
2016 Hillary Clinton Democratic 193,044 59.2% 21.5 pts (70,091 votes) 326,102 -5.8 pts 7.6 pts more Dem.
2020 Joseph R Biden Jr Democratic 226,250 60.4% 22.1 pts (82,783 votes) 374,362 +0.2 pts 6.2 pts more Dem.
2024 Kamala D Harris Democratic 191,802 52.5% 8.0 pts (29,343 votes) 365,187 -14.1 pts 2.3 pts more Dem.

Population Context

Total Census Bureau population estimate for the county that year, and recorded votes as a share of that total population. This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.

Year County Population Votes Cast (% of Population)
2000 752,880 34.4% of population
2004 781,582 37.8% of population
2008 799,191 39.8% of population
2012 819,344 36.8% of population
2016 825,457 39.5% of population
2020 861,460 43.5% of population
2024 890,119 41.0% of population

Trend

Between 2000 and 2024, the two-party presidential margin in Middlesex shifted 16.4 points toward the Republican candidate, based on recorded county returns. This reflects the vote totals in this dataset only; no claim is made here about the causes of that shift.

Margin Over Time

Democratic candidate's margin (percentage points, two-party vote share). Positive values favor the Democratic candidate; negative values favor the Republican candidate.

2000: D+24.7 pts 2004: D+13.7 pts 2008: D+22.1 pts 2012: D+27.9 pts 2016: D+22.2 pts 2020: D+22.4 pts 2024: D+8.3 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

Middlesex has matched the national popular winner in 3 of the last 7 presidential elections (43%), and New Jersey's own statewide winner in 7 of 7 (100%). Compare every county on the bellwether counties page.

Related Pages

Other New Jersey Counties

Frequently Asked Questions

How has Middlesex voted in presidential elections since 2000?

Since 2000, Middlesex has voted Democratic in 7 of 7 recorded presidential elections and Republican in 0 of 7, based on county-level returns through 2024.

What was the closest presidential election in Middlesex?

Middlesex's closest recorded margin was in 2024, when Kamala D Harris (Democratic) won by 8.3 points (29,343 votes) out of 365,187 total votes cast.

Has Middlesex ever flipped between parties?

Not in the 2000-2024 record on this page -- Middlesex has voted for the same party in every recorded presidential election in that span.

What is the largest presidential election margin recorded in Middlesex?

The widest margin on record for Middlesex was in 2012, when Barack Obama (Democratic) won by 27.9 points.

How many votes were cast in Middlesex relative to its population?

In 2024, 365,187 votes were recorded in Middlesex against a total population of 890,119 (41.0% of the total population). This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.

Is Middlesex a presidential bellwether county?

Middlesex has matched the national popular winner in 3 of the last 7 presidential elections (43%), and New Jersey's own statewide winner in 7 of 7 (100%).