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1876–2024
Elections / 2020 · Dem primary · NJ

Biden led New Jersey's 2020 Democratic presidential primary.

County-level returns aggregated statewide; Biden led by 69.8 points. This is the Democratic nominating contest — the November result is on the general-election page.

Statewide result
New Jersey 2020 Democratic presidential primary — county returns aggregated statewide.
CandidateVotesShare
Biden814,68084.3%
Sanders140,57914.5%
Other11,1381.1%
By county (21)
Each row links to the county's full place page.
CountyLed byMarginVotes
Bergen CountyBiden+68.9100,827
Essex CountyBiden+76.898,991
Middlesex CountyBiden+65.486,674
Camden CountyBiden+74.172,507
Hudson CountyBiden+63.970,326
Union CountyBiden+75.368,859
Burlington CountyBiden+75.262,751
Monmouth CountyBiden+67.559,034
Morris CountyBiden+63.551,480
Mercer CountyBiden+72.246,711
Ocean CountyBiden+69.042,800
Somerset CountyBiden+66.539,079
Gloucester CountyBiden+70.236,609
Passaic CountyBiden+65.235,434
Atlantic CountyBiden+72.728,468
Hunterdon CountyBiden+63.115,544
Cumberland CountyBiden+75.113,304
Sussex CountyBiden+53.512,341
Cape May CountyBiden+72.09,324
Warren CountyBiden+61.29,217
Salem CountyBiden+68.06,117