% of Population without Health Insurance, by Zip Code (ZCTA5) — New Jersey

NOTE: Gray indicates insufficient data or a suppressed estimate.

Zip codes in northeastern New Jersey—particularly in and around Hudson, Passaic, and parts of Essex and Union counties—display the highest uninsured rates, with several areas exceeding 25% and a few approaching 50%, likely reflecting concentrations of immigrant communities and lower-income urban populations. In contrast, much of central and southern New Jersey, along with suburban areas in Morris, Somerset, and Hunterford counties, maintains uninsured rates below 5–10%. The southern Cape May region shows a notable pocket of moderate-to-elevated uninsured rates compared to its surrounding areas, suggesting localized economic or demographic factors distinct from the broader South Jersey pattern.

Data: U.S. Census Bureau, 2023 ACS

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