Median Age by Zip Code (ZCTA5) — Oregon

NOTE: Gray indicates insufficient data or a suppressed estimate.

Oregon's median age distribution reveals a pronounced contrast between the younger urban cores of the Portland metro area and college towns like Corvallis and Eugene—where dark teal and blue tones indicate median ages in the mid-20s to low 30s—and the older coastal and rural southern communities that trend yellow, reflecting median ages above 55. The northern coast and parts of central Oregon's high desert exhibit notably elevated median ages, likely driven by retiree migration, while the sparsely populated southeastern quarter shows a patchwork of moderate ages interspersed with gray (no-data) zones characteristic of very low population density. A clear east-west divide emerges, with the Willamette Valley corridor maintaining younger demographics relative to the surrounding rural and exurban zip codes.

Data: U.S. Census Bureau, 2023 ACS

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