New Jersey — 2020 Democratic presidential primary
Akashic2020 · Democratic presidential primaryNew Jersey · Democratic primaryBiden+69.8
Who led each county
New Jersey's 2020 Democratic primary — 21 counties reporting. Each county links to its place page.
2020Democratic primary leaderBidencolor = leader · depth = size of the lead
Counties with reported returns are filled by the candidate who led them; the surrounding faint geography is context, not coverage. This is the nominating contest — the November result is on the general-election page.
Statewide result
New Jersey 2020 Democratic presidential primary — 966,397 votes, county returns aggregated statewide.
- Biden✓814,68084.3%
- Sanders140,57914.5%
- All others11,1381.1%
County-by-county leaders — 21 counties
| County | Led by | Margin | Votes |
|---|---|---|---|
| Bergen County | Biden | +68.9 | 100,827 |
| Essex County | Biden | +76.8 | 98,991 |
| Middlesex County | Biden | +65.4 | 86,674 |
| Camden County | Biden | +74.1 | 72,507 |
| Hudson County | Biden | +63.9 | 70,326 |
| Union County | Biden | +75.3 | 68,859 |
| Burlington County | Biden | +75.2 | 62,751 |
| Monmouth County | Biden | +67.5 | 59,034 |
| Morris County | Biden | +63.5 | 51,480 |
| Mercer County | Biden | +72.2 | 46,711 |
| Ocean County | Biden | +69.0 | 42,800 |
| Somerset County | Biden | +66.5 | 39,079 |
| Gloucester County | Biden | +70.2 | 36,609 |
| Passaic County | Biden | +65.2 | 35,434 |
| Atlantic County | Biden | +72.7 | 28,468 |
| Hunterdon County | Biden | +63.1 | 15,544 |
| Cumberland County | Biden | +75.1 | 13,304 |
| Sussex County | Biden | +53.5 | 12,341 |
| Cape May County | Biden | +72.0 | 9,324 |
| Warren County | Biden | +61.2 | 9,217 |
| Salem County | Biden | +68.0 | 6,117 |
Source. Official statewide canvasses — 2020 Democratic presidential primary returns · county returns aggregated statewide. Coverage is the nominating contest as reported by the state; margins are the leader’s edge over the runner-up. Real returns — nothing estimated.