Married Couple (% of all Households) by Zip Code (ZCTA5) — Portland Metro

NOTE: Gray indicates insufficient data or a suppressed estimate.

Married-couple households are most concentrated in the outer suburban ring—particularly the southwest areas near Lake Oswego, the Hillsboro corridor, and the far eastern reaches beyond Gresham—where many zip codes exceed 60–70% of all households. Central Portland displays a stark contrast, with its densest urban core zip codes falling below 30%, forming a distinct low-percentage corridor running roughly north-south through the city center. Vancouver's zip codes occupy a middle range, generally clustering around 45–55%, while Beaverton and Gresham sit at transitional values between their respective urban and suburban neighbors.

Data: U.S. Census Bureau, 2023 ACS

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