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

NOTE: Gray indicates insufficient data or a suppressed estimate.

Michigan's uninsured rates are generally low across much of the state, with the majority of zip codes falling below 10%, though notable pockets of higher uninsured populations (15–25%+) appear in parts of the central Lower Peninsula and scattered areas of the Upper Peninsula. The southeast Michigan metro Detroit region displays a distinctive checkerboard pattern, with adjacent zip codes showing sharp contrasts between very low and moderately high uninsured rates, likely reflecting stark socioeconomic disparities across municipal boundaries. Several isolated zip codes in the agricultural western and central parts of the Lower Peninsula show elevated uninsured rates reaching into the green range (10–15%+), potentially correlating with rural communities or areas with higher immigrant farmworker populations.

Data: U.S. Census Bureau, 2023 ACS

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