Median Age by Zip Code (ZCTA5) — Indiana

NOTE: Gray indicates insufficient data or a suppressed estimate.

Zip codes in the southern third of Indiana, particularly in the southwestern and south-central regions, tend to skew older with median ages frequently reaching 50–60+, appearing as prominent yellow-green clusters. The Indianapolis metropolitan area and college towns such as Bloomington (south-central) and West Lafayette (northwest-central) stand out as distinctly younger pockets, with deep purple and dark teal tones indicating median ages in the low 20s to mid-30s. Northern Indiana displays a more heterogeneous pattern, with moderate median ages in the 35–45 range interspersed with isolated older and younger outliers, particularly around the Fort Wayne and South Bend urban corridors.

Data: U.S. Census Bureau, 2023 ACS

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