Counties in New Jersey by uninsured rate, under 19 (US model-based estimate), 2024

Cumberland County had the highest uninsured rate, under 19 (US model-based estimate) of 21 counties in 2024, at 6.5%. Gloucester County had the lowest, at 2.7%. The median was 4.1% and the figure for New Jersey was 4.5%. Source: the U.S. Census Bureau.

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Median4.121 counties
New Jersey4.5History

Map of counties, 2024

Atlantic County: 4.8 %Bergen County: 3.9 %Burlington County: 3.5 %Camden County: 4.5 %Cape May County: 4.1 %Cumberland County: 6.5 %Essex County: 6.4 %Gloucester County: 2.7 %Hudson County: 5.5 %Hunterdon County: 2.9 %Mercer County: 4.5 %Middlesex County: 4 %Monmouth County: 4.1 %Morris County: 3.1 %Ocean County: 3.3 %Passaic County: 6.3 %Salem County: 4.2 %Somerset County: 3.1 %Sussex County: 2.9 %Union County: 6.2 %Warren County: 3.4 %
  • Under 3.1
  • 3.1 to 3.9
  • 3.9 to 4.2
  • 4.2 to 5.5
  • 5.5 and over
%, 2024. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2024

Cumberland County: 6.5 %Cumberland County6.5Essex County: 6.4 %Essex County6.4Passaic County: 6.3 %Passaic County6.3Union County: 6.2 %Union County6.2Hudson County: 5.5 %Hudson County5.5Atlantic County: 4.8 %Atlantic County4.8Camden County: 4.5 %Camden County4.5Mercer County: 4.5 %Mercer County4.5Salem County: 4.2 %Salem County4.2Cape May County: 4.1 %Cape May County4.1Monmouth County: 4.1 %Monmouth County4.1Middlesex County: 4 %Middlesex County4Bergen County: 3.9 %Bergen County3.9Burlington County: 3.5 %Burlington County3.5Warren County: 3.4 %Warren County3.4Ocean County: 3.3 %Ocean County3.3Morris County: 3.1 %Morris County3.1Somerset County: 3.1 %Somerset County3.1Hunterdon County: 2.9 %Hunterdon County2.9Sussex County: 2.9 %Sussex County2.9Gloucester County: 2.7 %Gloucester County2.7Cumberland County: 6.5 %Cumberland County6.5Essex County: 6.4 %Essex County6.4Passaic County: 6.3 %Passaic County6.3Union County: 6.2 %Union County6.2Hudson County: 5.5 %Hudson County5.5Atlantic County: 4.8 %Atlantic County4.8Camden County: 4.5 %Camden County4.5Mercer County: 4.5 %Mercer County4.5Salem County: 4.2 %Salem County4.2Cape May County: 4.1 %Cape May County4.1Monmouth County: 4.1 %Monmouth County4.1Middlesex County: 4 %Middlesex County4Bergen County: 3.9 %Bergen County3.9Burlington County: 3.5 %Burlington County3.5Warren County: 3.4 %Warren County3.4Ocean County: 3.3 %Ocean County3.3Morris County: 3.1 %Morris County3.1Somerset County: 3.1 %Somerset County3.1Hunterdon County: 2.9 %Hunterdon County2.9Sussex County: 2.9 %Sussex County2.9Gloucester County: 2.7 %Gloucester County2.7
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2024 (%)Change on 2023
1Cumberland County6.5+0.7 pts
2Essex County6.4+0.7 pts
3Passaic County6.3+1 pts
4Union County6.2+0.3 pts
5Hudson County5.5+0.7 pts
6Atlantic County4.8+0.4 pts
7Camden County4.5+0.6 pts
7Mercer County4.5-0.4 pts
9Salem County4.2+0.5 pts
10Cape May County4.10 pts
10Monmouth County4.1+1.1 pts
12Middlesex County4-0.6 pts
13Bergen County3.9+0.4 pts
14Burlington County3.5+0.2 pts
15Warren County3.4+0.2 pts
16Ocean County3.3+0.4 pts
17Morris County3.1+0.3 pts
17Somerset County3.1+0.3 pts
19Hunterdon County2.9+0.2 pts
19Sussex County2.9-0.3 pts
21Gloucester County2.7+0.1 pts

Other periods

About this ranking

People under 19 without health insurance coverage of any kind, as a percentage of all people under 19. United States: Census Bureau Small Area Health Insurance Estimates (SAHIE) for states and counties, all races, both sexes and all income levels.

A model-based single-year estimate that combines the American Community Survey with administrative records and population estimates, so every county gets a figure. Covers states and counties only, because the SAHIE dataset files have no national row. The Census Bureau advises comparing years from 2008 on only; 2013 is the updated release. Under 19 matches the age limit for children in Medicaid and the Children's Health Insurance Program (CHIP).

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. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. 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). Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties (Counties in New Jersey by uninsured rate, under 19 (US model-based estimate), 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip

MLA 9

Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties, Counties in New Jersey by uninsured rate, under 19 (US model-based estimate), 2024. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-under-19/new-jersey-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. Counties in New Jersey by uninsured rate, under 19 (US model-based estimate), 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-under-19/new-jersey-counties.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties, Counties in New Jersey by uninsured rate, under 19 (US model-based estimate), 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-under-19/new-jersey-counties (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_new_jersey_2024,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties: Counties in New Jersey by uninsured rate, under 19 (US model-based estimate), 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-19/new-jersey-counties. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties: Counties in New Jersey by uninsured rate, under 19 (US model-based estimate), 2024
PY  - 2026
DA  - 2026/08/06
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-under-19/new-jersey-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-19/new-jersey-counties.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Retrieved 2026-10-12.
ER  - 
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Questions

Which county has the highest uninsured rate, under 19 (US model-based estimate)?

Cumberland County, with 6.5% in 2024, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, under 19 (US model-based estimate)?

Gloucester County, with 2.7% in 2024.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Uninsured rate, under 19 (US model-based estimate): other rankings

Counties in New Jersey: more rankings