Willacy County, TX Population By Ancestry in 2021 (ACS-5Yrs)

Updated on April 15, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 20.42K Willacy County, TX population, 16.29K had Other Groups ancestry (79.74%), 2.62K had Unclassified ancestry (12.83%), and 667 had German ancestry (3.27%).

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 Texas counties, and for Texas.

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

Data Source: US Census Bureau.

Willacy County, TX Percentage of Ancestry Population in 2021

Other Groups

Unclassified

German

American

Irish

Czech

English

West Indian (except Hispanic groups)

Dutch West Indian

Norwegian

Willacy County, TX Population By Ancestry in 2021

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Ancestry	Population	Percent of Pop. (%)
Other Groups	16285	79.74
Unclassified	2620	12.83
German	667	3.27
American	445	2.18
Irish	280	1.37
Czech	116	0.57
English	95	0.47
West Indian (except Hispanic groups)	91	0.45
Dutch West Indian	69	0.34
Norwegian	44	0.22
Scotch Irish	40	0.20
Swedish	39	0.19
French (except Basque)	37	0.18
Scottish	35	0.17
Belgian	34	0.17
Subsaharan African	32	0.16
African	32	0.16
French Canadian	20	0.10
Lithuanian	17	0.08
Austrian	16	0.08
Haitian	16	0.08
Greek	12	0.06
Polish	12	0.06
Danish	9	0.04
Finnish	9	0.04
Italian	9	0.04
Ukrainian	7	0.03
Jamaican	6	0.03
Dutch	4	0.02