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.
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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 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 |