Cascadia CDP, OR Population By Ancestry in 2021 (ACS-5Yrs)

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 107 Cascadia CDP, OR population, 67 had Unclassified ancestry (62.62%), 28 had Russian ancestry (26.17%), and 11 had English ancestry (10.28%).

The chart below shows the top 6 ancestry groups, and the table below shows both the population and percentages for many ancestry groups.

You can also see similar information for other Oregon cities and places, and for Oregon.

NB: People could belong to one or more ancestry groups.

Data Source: US Census Bureau.

Cascadia CDP, OR Percentage of Ancestry Population in 2021

Unclassified

Russian

English

Irish

Dutch

Other Groups

Cascadia CDP, OR Population By Ancestry in 2021

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Ancestry	Population	Percent of Pop. (%)
Unclassified	67	62.62
Russian	28	26.17
English	11	10.28
Irish	11	10.28
Dutch	1	0.94
Other Groups	1	0.94