Washington Population By Ancestry in 2021 (ACS-5Yrs)

Updated on March 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 7.62M Washington population, 2.44M had Other Groups ancestry (31.99%), 1.49M had Unclassified ancestry (19.58%), and 1.16M had German ancestry (15.29%).

The chart below shows the top 10 ancestry groups by percentage, and the table below shows both the population and percentages for many ancestry groups.

You can see similar information for other states.

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

Data Source: US Census Bureau.
Washington Percentage of Ancestry Population in 2021
Other Groups
31.99%
Unclassified
19.58%
German
15.29%
English
10.76%
Irish
10.08%
Norwegian
4.50%
American
3.71%
European
3.31%
Italian
3.31%
Swedish
2.71%
Washington Population By Ancestry in 2021
Ancestry
Population
Percent of Population (%)
Other Groups 2,436,386 31.99
Unclassified 1,491,539 19.58
German 1,164,373 15.29
English 819,720 10.76
Irish 767,543 10.08
Norwegian 342,416 4.50
American 282,341 3.71
European 252,313 3.31
Italian 252,302 3.31
Swedish 206,184 2.71
French (except Basque) 204,314 2.68
Scottish 197,334 2.59
Dutch 126,966 1.67
Polish 126,400 1.66
Subsaharan African 104,122 1.37
Russian 83,302 1.09
Scotch Irish 81,324 1.07
Scandinavian 74,344 0.98
British 73,652 0.97
Welsh 68,142 0.90
Ukrainian 64,518 0.85
Danish 62,514 0.82
French Canadian 48,945 0.64
Finnish 48,081 0.63
Northern European 38,063 0.50
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