Ranking of New Jersey Counties By Percentage of 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 percentage of the population of New Jersey (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 26.41%. Among all New Jersey counties, Cumberland County had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (39.14%), followed by Salem County (38.35%), and Passaic County (33.96%).

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 Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Cumberland County
Salem County
Passaic County
Ocean County
Atlantic County
Warren County
Gloucester County
Cape May County
Sussex County
Camden County
Ranking of New Jersey Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 Cumberland County 39.14
2 Salem County 38.35
3 Passaic County 33.96
4 Ocean County 33.42
5 Atlantic County 32.40
6 Warren County 31.76
7 Gloucester County 31.34
8 Cape May County 31.31
9 Sussex County 29.64
10 Camden County 29.12
11 Essex County 28.00
12 Union County 27.88
13 Burlington County 26.91
14 Mercer County 25.34
15 Middlesex County 24.05
16 Hudson County 23.81
17 Monmouth County 21.96
18 Bergen County 21.38
19 Hunterdon County 20.00
20 Somerset County 19.19
21 Morris County 19.03