NOTE: Gray indicates insufficient data or a suppressed estimate.
Zip codes in the northwestern corner of Connecticut and scattered suburban areas along the shoreline tend to skew older, with median ages reaching into the mid-50s to low 60s, reflecting established communities with aging populations. In contrast, urban centers such as New Haven, Hartford, and Bridgeport display notably lower median ages—some dipping below 30—consistent with younger populations driven by university presence, rental-heavy housing markets, and higher immigrant concentrations. A broad band of moderate median ages (40–48) characterizes much of the state's interior and eastern regions, suggesting relatively balanced demographic profiles across exurban and rural zip codes.
Data: U.S. Census Bureau, 2023 ACS
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