County record · fips 34023 · New Jersey
MiddlesexNJ
Democratic ×9 since 1992all 40 elections, 1868–2024
The Long Record
40 elections against the New Jersey and national vote
2024 result
D+8.3
won by Democrats
Record since first cycle
25–15
Dem–Rep two-party wins
Voted with the winner
30/40
75% of its elections
Closest election
1952
R+2.3
this countyNew Jerseynational (official)dot colour = two-party winner · hollow = tie or unknown total · click a dot to open that election
The Biggest Swings
Cycle-over-cycle change in the two-party margin, in points
| Election | Swing | Toward |
|---|---|---|
| 1912 | +43.9 pts | Democrats |
| 1960 | +38.2 pts | Democrats |
| 1968 | -37.5 pts | Republicans |
| 1916 | -35.2 pts | Republicans |
| 1920 | -34.7 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
871,290
College (BA+)
46%
Median income
$111,549
2024 dollars
Non-white
62%
Rural
1%
Age 65+
16%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Mercer, NJ · Monmouth, NJ · Somerset, NJ · Union, NJ · Richmond, NY