NOTE: Gray indicates insufficient data or a suppressed estimate.
Uninsured rates across Connecticut are generally low, with most zip codes falling below 10%, though notable clusters of higher uninsurance (10–15%+) concentrate in urban centers such as Hartford, New Haven, Bridgeport, and Waterbury, reflecting the well-documented coverage gaps in the state's largest cities. Suburban and rural areas in Litchfield County, the Connecticut River Valley, and Fairfield County's affluent coastal communities consistently register near-zero uninsured rates, creating a sharp urban-suburban contrast. One zip code in the southwestern portion of the state stands out with a distinctly elevated rate approaching 15–20%, likely corresponding to a community with a higher share of immigrant or low-income populations.
Data: U.S. Census Bureau, 2023 ACS
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