County record · fips 34039 · New Jersey
UnionNJ
Democratic ×9 since 1992all 40 elections, 1868–2024
The Long Record
40 elections against the New Jersey and national vote
2024 result
D+24.6
won by Democrats
Record since first cycle
18–22
Dem–Rep two-party wins
Voted with the winner
25/40
63% of its elections
Closest election
1968
R+0.3
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 | +57.0 pts | Democrats |
| 1916 | -51.9 pts | Republicans |
| 1896 | -36.4 pts | Republicans |
| 1960 | +35.5 pts | Democrats |
| 1964 | +34.4 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
579,290
College (BA+)
39%
Median income
$103,202
2024 dollars
Non-white
65%
Rural
0%
Age 65+
15%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Essex, NJ · Hudson, NJ · Middlesex, NJ · Morris, NJ · Somerset, NJ · Richmond, NY