Ranking of New Jersey Counties By Number of People and Percentage of Population With No Health Insurance Coverage in 2021 (ACS-5Yrs)

Updated on October 27, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the New Jersey population without a health insurance coverage was 7.55% (i.e. 689,666 people). Percentagewise, among all New Jersey counties, Passaic County had the highest percentage of its population with no health insurance coverage (12.39%), followed by Hudson County (11.97%), and Essex County (11.58%).

In numerical terms, Essex County had the highest number of people without a health insurance coverage (97,378), followed by Hudson County (84,776), and Bergen County (66,084).

The charts below shows the top 10 counties by the number of people and percentage of the population without a health insurance coverage. The tables below shows the ranking for all New Jersey counties.

You can see similar information for other types of health insurance coverages.

You can also see similar information for other states.

Ranking of New Jersey Counties By Percentage of Population With No Health Insurance Coverage in 2021
Passaic County
Hudson County
Essex County
Union County
Cumberland County
Atlantic County
Bergen County
Mercer County
Middlesex County
Camden County
Ranking of New Jersey Counties By Number of People With No Health Insurance Coverage in 2021
Essex County
Hudson County
Bergen County
Union County
Passaic County
Middlesex County
Monmouth County
Camden County
Ocean County
Mercer County
Ranking of New Jersey Counties By Percentage of Population With No Health Insurance Coverage in 2021
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Rank County Percentage of Population (%)
1 Passaic County 12.39
2 Hudson County 11.97
3 Essex County 11.58
4 Union County 11.37
5 Cumberland County 9.48
6 Atlantic County 7.90
7 Bergen County 6.98
8 Mercer County 6.92
9 Middlesex County 6.80
10 Camden County 6.26
11 Somerset County 5.73
12 Warren County 5.69
13 Cape May County 5.48
14 Monmouth County 5.18
15 Ocean County 4.79
16 Morris County 4.66
17 Salem County 4.53
18 Gloucester County 4.48
19 Burlington County 4.20
20 Sussex County 3.64
21 Hunterdon County 2.90
Ranking of New Jersey Counties By Number of People With NO Health Insurance Coverage in 2021
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Rank County Number of People
1 Essex County 97378
2 Hudson County 84776
3 Bergen County 66084
4 Union County 64582
5 Passaic County 64189
6 Middlesex County 57908
7 Monmouth County 33082
8 Camden County 32295
9 Ocean County 29917
10 Mercer County 26293
11 Morris County 23491
12 Atlantic County 21442
13 Somerset County 19529
14 Burlington County 18674
15 Cumberland County 13580
16 Gloucester County 13434
17 Warren County 6172
18 Sussex County 5210
19 Cape May County 5131
20 Hunterdon County 3622
21 Salem County 2877