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.
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Related Topics: New Jersey ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
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 |