Union 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 13.79K Union County, KY population, 4.00K had Unclassified ancestry (29.04%), 3.10K had Other Groups ancestry (22.51%), and 2.51K had American ancestry (18.19%).

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.

Union County, KY Percentage of Ancestry Population in 2021

Unclassified

Other Groups

American

English

European

German

Irish

French (except Basque)

Italian

Scottish

Union County, KY Population By Ancestry in 2021

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Ancestry	Population	Percent of Pop. (%)
Unclassified	4003	29.04
Other Groups	3103	22.51
American	2508	18.19
English	1416	10.27
European	1375	9.97
German	1261	9.15
Irish	1212	8.79
French (except Basque)	182	1.32
Italian	154	1.12
Scottish	123	0.89
Scotch Irish	104	0.75
British	82	0.60
Subsaharan African	53	0.38
African	53	0.38
Welsh	47	0.34
West Indian (except Hispanic groups)	41	0.30
Russian	38	0.28
Dutch	37	0.27
Norwegian	37	0.27
Jamaican	32	0.23
Austrian	31	0.23
Swedish	31	0.23
Danish	14	0.10
Hungarian	14	0.10
Polish	14	0.10
US Virgin Islander	9	0.07
Ukrainian	8	0.06
Northern European	7	0.05
Palestinian	3	0.02