Blanco 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 11.31K Blanco County, TX population, 3.25K had Other Groups ancestry (28.71%), 2.82K had German ancestry (24.95%), and 1.81K had Irish ancestry (15.98%).

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.

Blanco County, TX Percentage of Ancestry Population in 2021

Other Groups

German

Irish

Unclassified

English

American

French (except Basque)

Scottish

Scotch Irish

Polish

Blanco County, TX Population By Ancestry in 2021

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Ancestry	Population	Percent of Pop. (%)
Other Groups	3248	28.71
German	2822	24.95
Irish	1808	15.98
Unclassified	1766	15.61
English	1743	15.41
American	621	5.49
French (except Basque)	465	4.11
Scottish	363	3.21
Scotch Irish	289	2.56
Polish	276	2.44
Norwegian	177	1.57
Italian	146	1.29
Czech	130	1.15
Welsh	116	1.02
Swedish	112	0.99
Yugoslavian	110	0.97
European	83	0.73
Scandinavian	63	0.56
Dutch	62	0.55
French Canadian	45	0.40
Canadian	43	0.38
Czechoslovakian	41	0.36
Danish	35	0.31
Cajun	32	0.28
Swiss	30	0.27
Romanian	23	0.20
Ukrainian	21	0.19
Brazilian	13	0.12
Greek	9	0.08
Austrian	8	0.07
British	8	0.07
Finnish	6	0.05
Lebanese	2	0.02
Hungarian	2	0.02
Egyptian	1	0.01