Median Age by Zip Code (ZCTA5) — North Dakota

NOTE: Gray indicates insufficient data or a suppressed estimate.

Younger median ages cluster prominently in the eastern part of the state around the Fargo and Grand Forks metro areas, as well as in western oil patch communities near Williston, where zip codes frequently fall below 30–35 years. Rural zip codes across the central and south-central regions tend to skew older, with numerous areas reaching median ages of 55–60+, reflecting longstanding patterns of youth outmigration from agricultural communities. The contrast between university and energy-sector towns and the surrounding aging rural landscape creates a distinctly patchy mosaic, with deep teal and dark blue zones often immediately adjacent to bright yellow high-median-age areas.

Data: U.S. Census Bureau, 2023 ACS

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