Ranking of New Jersey Counties By Total Voting-age Population (18yrs and over) from Census 2020
Updated on August 22, 2023.
According to the data from the US 2020 Census, as at April 2020, among all the counties in New Jersey, Bergen County had the highest voting-age population (18 years and over) (755.23K), followed by Middlesex County (680.01K), and Essex County (661.51K).
The chart below shows the top 10 counties with high voting-age population, and the table below shows the ranking of all New Jersey counties based on voting-age population.
You can also see the ranking of counties by population for other states as well as for the whole United States.
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Related Topics: New Jersey Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of New Jersey Counties By Total Voting-age Population from Census 2020
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| Rank | County | Voting-age Population |
|---|---|---|
| 1 | Bergen County | 755234 |
| 2 | Middlesex County | 680009 |
| 3 | Essex County | 661508 |
| 4 | Hudson County | 582751 |
| 5 | Monmouth County | 511670 |
| 6 | Ocean County | 482600 |
| 7 | Union County | 440856 |
| 8 | Camden County | 406504 |
| 9 | Passaic County | 403816 |
| 10 | Morris County | 403593 |
| 11 | Burlington County | 365405 |
| 12 | Mercer County | 304672 |
| 13 | Somerset County | 271204 |
| 14 | Gloucester County | 237281 |
| 15 | Atlantic County | 217993 |
| 16 | Cumberland County | 118421 |
| 17 | Sussex County | 116445 |
| 18 | Hunterdon County | 104020 |
| 19 | Warren County | 87819 |
| 20 | Cape May County | 78971 |
| 21 | Salem County | 50538 |