Data / Rankings / Uninsured rate, all ages (US) / Counties in New Jersey

Counties in New Jersey by uninsured rate, all ages (US)

Passaic County had the highest uninsured rate, all ages (US) of 21 counties in 2021, at 12.4%. Hunterdon County had the lowest, at 2.9%. The median was 5.7% and the figure for New Jersey was 7.6%. Source: the U.S. Census Bureau.

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Highest12.4Passaic County
Lowest2.9Hunterdon County
Median5.721 counties
New Jersey7.6History

Map of counties, 2021

Atlantic County: 7.9 %Bergen County: 7 %Burlington County: 4.2 %Camden County: 6.3 %Cape May County: 5.5 %Cumberland County: 9.5 %Essex County: 11.6 %Gloucester County: 4.5 %Hudson County: 12 %Hunterdon County: 2.9 %Mercer County: 6.9 %Middlesex County: 6.8 %Monmouth County: 5.2 %Morris County: 4.7 %Ocean County: 4.8 %Passaic County: 12.4 %Salem County: 4.5 %Somerset County: 5.7 %Sussex County: 3.6 %Union County: 11.4 %Warren County: 5.7 %
  • Under 4.5
  • 4.5 to 5.5
  • 5.5 to 6.8
  • 6.8 to 9.5
  • 9.5 and over
%, 2021. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2021

Passaic County: 12.4 %Passaic County12.4Hudson County: 12 %Hudson County12Essex County: 11.6 %Essex County11.6Union County: 11.4 %Union County11.4Cumberland County: 9.5 %Cumberland County9.5Atlantic County: 7.9 %Atlantic County7.9Bergen County: 7 %Bergen County7Mercer County: 6.9 %Mercer County6.9Middlesex County: 6.8 %Middlesex County6.8Camden County: 6.3 %Camden County6.3Somerset County: 5.7 %Somerset County5.7Warren County: 5.7 %Warren County5.7Cape May County: 5.5 %Cape May County5.5Monmouth County: 5.2 %Monmouth County5.2Ocean County: 4.8 %Ocean County4.8Morris County: 4.7 %Morris County4.7Salem County: 4.5 %Salem County4.5Gloucester County: 4.5 %Gloucester County4.5Burlington County: 4.2 %Burlington County4.2Sussex County: 3.6 %Sussex County3.6Hunterdon County: 2.9 %Hunterdon County2.9Passaic County: 12.4 %Passaic County12.4Hudson County: 12 %Hudson County12Essex County: 11.6 %Essex County11.6Union County: 11.4 %Union County11.4Cumberland County: 9.5 %Cumberland County9.5Atlantic County: 7.9 %Atlantic County7.9Bergen County: 7 %Bergen County7Mercer County: 6.9 %Mercer County6.9Middlesex County: 6.8 %Middlesex County6.8Camden County: 6.3 %Camden County6.3Somerset County: 5.7 %Somerset County5.7Warren County: 5.7 %Warren County5.7Cape May County: 5.5 %Cape May County5.5Monmouth County: 5.2 %Monmouth County5.2Ocean County: 4.8 %Ocean County4.8Morris County: 4.7 %Morris County4.7Salem County: 4.5 %Salem County4.5Gloucester County: 4.5 %Gloucester County4.5Burlington County: 4.2 %Burlington County4.2Sussex County: 3.6 %Sussex County3.6Hunterdon County: 2.9 %Hunterdon County2.9
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)
1Passaic County12.4
2Hudson County12
3Essex County11.6
4Union County11.4
5Cumberland County9.5
6Atlantic County7.9
7Bergen County7
8Mercer County6.9
9Middlesex County6.8
10Camden County6.3
11Somerset County5.7
12Warren County5.7
13Cape May County5.5
14Monmouth County5.2
15Ocean County4.8
16Morris County4.7
17Salem County4.5
18Gloucester County4.5
19Burlington County4.2
20Sussex County3.6
21Hunterdon County2.9

Other periods

About this ranking

People without health insurance coverage of any kind, as a percentage of the civilian noninstitutionalized population. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Coverage is what people reported at the interview, so the five-year figure averages five years of answers. People whose only coverage is the Indian Health Service count as uninsured. Active-duty military and people living in institutions are outside the universe. For single-year model-based county figures under 65, see uninsured_rate_under_65, uninsured_rate_18_64 and uninsured_rate_under_19 (SAHIE), a different source.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs (Counties in New Jersey by uninsured rate, all ages (US), 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat

MLA 9

American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs, Counties in New Jersey by uninsured rate, all ages (US), 2021. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Invokely, https://invokely.ai/rankings/uninsured-rate/new-jersey-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. Counties in New Jersey by uninsured rate, all ages (US), 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate/new-jersey-counties?period=2021.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs, Counties in New Jersey by uninsured rate, all ages (US), 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat, via Invokely: https://invokely.ai/rankings/uninsured-rate/new-jersey-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_new_jersey_2021,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs: Counties in New Jersey by uninsured rate, all ages (US), 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate/new-jersey-counties?period=2021. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs: Counties in New Jersey by uninsured rate, all ages (US), 2021
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat
L2  - https://invokely.ai/rankings/uninsured-rate/new-jersey-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate/new-jersey-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Retrieved 2026-10-12.
ER  -
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Rank Counties in New Jersey by uninsured rate, all ages (US) using official data, and cite the source.
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Questions

Which county has the highest uninsured rate, all ages (US)?

Passaic County, with 12.4% in 2021, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, all ages (US)?

Hunterdon County, with 2.9% in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. Retrieved 2026-10-12.

Uninsured rate, all ages (US): other rankings

Counties in New Jersey: more rankings