Ranking of New Jersey Counties By Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the population of New Jersey (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 1,693,560. Among all New Jersey counties, Essex County had the highest population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (160,988), followed by Bergen County (143,874), and Ocean County (143,516).

The chart below shows the top 10 New Jersey counties, and the table below shows the ranking of all New Jersey counties.

You can see similar information for other educational attainments.

You can also see similar information for other states and for the United States.

Ranking of New Jersey Counties By Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Essex County
Bergen County
Ocean County
Middlesex County
Hudson County
Passaic County
Union County
Camden County
Monmouth County
Burlington County
Ranking of New Jersey Counties By Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank County Number of People
1 Essex County 160988
2 Bergen County 143874
3 Ocean County 143516
4 Middlesex County 142301
5 Hudson County 121831
6 Passaic County 117593
7 Union County 108536
8 Camden County 104746
9 Monmouth County 99443
10 Burlington County 87753
11 Morris County 68137
12 Mercer County 65735
13 Gloucester County 65461
14 Atlantic County 61970
15 Somerset County 46231
16 Cumberland County 40994
17 Sussex County 31010
18 Warren County 24963
19 Cape May County 22516
20 Hunterdon County 18549
21 Salem County 17413