Ranking of New Jersey Counties By Percentage of American Indian and Alaska Native Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the New Jersey American Indian and Alaska Native Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 24.71%. Among all New Jersey counties, Sussex County had the highest percentage of its American Indian and Alaska Native Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (50.00%), followed by Union County (44.81%), and Mercer County (34.56%).

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, and for other races and ethnicities.

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

Ranking of New Jersey Counties By Percentage of American Indian and Alaska Native Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Sussex County
Union County
Mercer County
Monmouth County
Middlesex County
Warren County
Somerset County
Atlantic County
Ocean County
Hudson County
Ranking of New Jersey Counties By Percentage of American Indian and Alaska Native Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 Sussex County 50.00
2 Union County 44.81
3 Mercer County 34.56
4 Monmouth County 34.55
5 Middlesex County 33.03
6 Warren County 32.86
7 Somerset County 29.35
8 Atlantic County 26.73
9 Ocean County 25.58
10 Hudson County 24.67
11 Passaic County 23.97
12 Bergen County 18.57
13 Hunterdon County 18.26
14 Camden County 17.90
15 Cumberland County 17.42
16 Essex County 14.84
17 Salem County 10.95
18 Gloucester County 10.28
19 Morris County 6.35
20 Burlington County 0.00
20 Cape May County 0.00