New Jersey Population By County in 2018
Updated on January 27, 2024.
According to the US Census Bureau population estimates, there were 8,891,730 people living in New Jersey in 2018. Bergen County was the most populated county with 932,897 residents, followed by Middlesex County with 825,677 residents, and Essex County with 800,530 residents. Salem County with a population of 62,776 was the least populated county in New Jersey in 2018.
Use the map below to interactively explore the population for each county in New Jersey in 2018. The data can also be explored further by sorting and filtering with the table below.
You can see similar information for other states and by state for the United States.
Related Topics: New Jersey Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
New Jersey Population By County in 2018
Table of New Jersey Population By County in 2018
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| County | Population | % of State Population |
|---|---|---|
| Atlantic | 263,994 | 2.97% |
| Bergen | 932,897 | 10.49% |
| Burlington | 445,429 | 5.01% |
| Camden | 506,685 | 5.70% |
| Cape May | 92,604 | 1.04% |
| Cumberland | 150,274 | 1.69% |
| Essex | 800,530 | 9.00% |
| Gloucester | 291,754 | 3.28% |
| Hudson | 672,390 | 7.56% |
| Hunterdon | 125,265 | 1.41% |
| Mercer | 368,720 | 4.15% |
| Middlesex | 825,677 | 9.29% |
| Monmouth | 620,859 | 6.98% |
| Morris | 493,084 | 5.55% |
| Ocean | 601,649 | 6.77% |
| Passaic | 503,192 | 5.66% |
| Salem | 62,776 | 0.71% |
| Somerset | 330,772 | 3.72% |
| Sussex | 140,995 | 1.59% |
| Union | 556,475 | 6.26% |
| Warren | 105,709 | 1.19% |