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

Updated on April 15, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 11.96K Washington County, KY population, 4.72K had Unclassified ancestry (39.45%), 1.73K had American ancestry (14.45%), and 1.53K had Other Groups ancestry (12.80%).

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 Kentucky counties, and for Kentucky.

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

Data Source: US Census Bureau.

Washington County, KY Percentage of Ancestry Population in 2021

Unclassified

American

Other Groups

Irish

English

German

Swiss

Scottish

European

Pennsylvania German

Washington County, KY Population By Ancestry in 2021

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Ancestry	Population	Percent of Pop. (%)
Unclassified	4717	39.45
American	1728	14.45
Other Groups	1531	12.80
Irish	1441	12.05
English	1181	9.88
German	851	7.12
Swiss	307	2.57
Scottish	217	1.82
European	194	1.62
Pennsylvania German	170	1.42
Italian	143	1.20
French (except Basque)	129	1.08
Scotch Irish	113	0.95
British	102	0.85
Welsh	90	0.75
Subsaharan African	67	0.56
African	67	0.56
Dutch	66	0.55
Polish	58	0.49
Swedish	51	0.43
French Canadian	35	0.29
Arab	31	0.26
Norwegian	25	0.21
Russian	25	0.21
Lebanese	17	0.14
Australian	16	0.13
Northern European	2	0.02