Population Non-Hispanic American Indian % by Zip Code (ZCTA5) — Oregon

NOTE: Gray indicates insufficient data or a suppressed estimate.

The highest concentrations of Non-Hispanic American Indian population are found in south-central Oregon near the Klamath Basin, where one large zip code exceeds 50%, corresponding to the Klamath Tribes' traditional territory, and in the north-central region around the Warm Springs Reservation, which displays similarly elevated percentages. Scattered pockets of moderate concentration (5–20%) appear along the southern coast and in parts of the southwestern interior, likely reflecting the Confederated Tribes of Siletz and Cow Creek Band service areas. The majority of western Oregon's urbanized Willamette Valley corridor and the northeastern high desert zip codes register at or below 1%, creating a stark contrast with the reservation-anchored clusters.

Data: U.S. Census Bureau, 2023 ACS

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