Cornelius city, 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 12.89K Cornelius city, OR population, 6.60K had Other Groups ancestry (51.19%), 2.59K had Unclassified ancestry (20.08%), and 1.44K had German ancestry (11.20%).

The chart below shows the top 10 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.

Cornelius city, OR Percentage of Ancestry Population in 2021

Other Groups

Unclassified

German

English

American

Irish

Scottish

Dutch

Swedish

Italian

Cornelius city, OR Population By Ancestry in 2021

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Ancestry	Population	Percent of Pop. (%)
Other Groups	6600	51.19
Unclassified	2589	20.08
German	1444	11.20
English	779	6.04
American	699	5.42
Irish	630	4.89
Scottish	460	3.57
Dutch	329	2.55
Swedish	220	1.71
Italian	155	1.20
French (except Basque)	143	1.11
European	138	1.07
Scotch Irish	103	0.80
Portuguese	76	0.59
Danish	75	0.58
Swiss	69	0.54
Subsaharan African	58	0.45
Somali	58	0.45
Polish	47	0.37
Canadian	46	0.36
French Canadian	39	0.30
Norwegian	38	0.30
Belgian	31	0.24
Scandinavian	27	0.21
Greek	22	0.17
Luxembourger	21	0.16
British	18	0.14
Celtic	18	0.14
Russian	17	0.13
Estonian	14	0.11
Slovene	14	0.11
Lithuanian	12	0.09
Welsh	12	0.09
West Indian (except Hispanic groups)	10	0.08
Barbadian	10	0.08
Slovak	9	0.07
Romanian	4	0.03