% of Population without Health Insurance, by Zip Code (ZCTA5) — Portland Metro

NOTE: Gray indicates insufficient data or a suppressed estimate.

Uninsured rates across the Portland metro area generally remain below 10%, but a distinct cluster of higher uninsurance (approximately 10–15%) emerges in zip codes southeast of downtown Portland extending toward Gresham, as well as in parts of outer southwest and western Hillsboro. The lowest uninsured percentages, near 0–3%, concentrate in Lake Oswego, inner southwest Portland, and several Vancouver-area zip codes north of the Columbia River. A notable contrast exists between the affluent inner-ring suburbs and the outer eastern portions of the metro, where rates roughly triple, suggesting disparities in employer-sponsored coverage or access to marketplace plans.

Data: U.S. Census Bureau, 2023 ACS

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