Housing % of Units Built Since 2010, by Zip Code (ZCTA5) — Portland Metro

NOTE: Gray indicates insufficient data or a suppressed estimate.

Newer housing construction is heavily concentrated in the western suburbs near Hillsboro and Beaverton, where several zip codes show 20–30% of units built since 2010, reflecting the area's rapid suburban expansion driven by the tech sector. In contrast, inner Portland and the eastern neighborhoods closer to Gresham display notably lower shares, generally below 8%, consistent with already built-out urban cores with limited greenfield development opportunities. A few isolated pockets of high recent construction appear east of Lake Oswego and in parts of northern Vancouver, suggesting targeted infill or new subdivision activity amid otherwise moderate growth zones.

Data: U.S. Census Bureau, 2023 ACS

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