Median Age by Zip Code (ZCTA5) — Michigan

NOTE: Gray indicates insufficient data or a suppressed estimate.

Northern Lower Michigan and much of the Upper Peninsula skew older, with numerous zip codes reaching median ages of 55–60+, reflecting the prevalence of retirement and resort communities in areas like the Traverse City region and along the Lake Michigan coastline. The southeastern metro Detroit area and mid-state university towns such as East Lansing and Ann Arbor form distinct clusters of younger median ages, dropping below 25–30 in some zip codes. The Lower Peninsula's southern tier generally maintains moderate median ages in the 35–45 range, with pockets of younger populations concentrated around urban cores and older populations in surrounding exurban and rural areas.

Data: U.S. Census Bureau, 2023 ACS

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