US Population with Welsh Ancestry By State in 2021 (ACS-5yrs)

Updated on March 1, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the US population with Welsh ancestry was 1.79M, which was 0.54% of the total US population.

Among US states, California had the highest number of people with Welsh ancestry (150.42K), followed by Pennsylvania (147.52K), and Ohio (115.25K).

The chart below shows the number and percentage of people with Welsh ancestry for each state. The information can also be found in the table below.

You can see similar information for other ancestry groups in the US.

Related Topics: US Census 2021 Topic List.

Data Source: US Census Bureau.

US Population with Welsh Ancestry By State in 2021

< 5K

5K - 10K

10K - 25K

25K - 50K

50K - 100K

Over 100K

US population with Welsh Ancestry By State in 2021

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State	Population	% of State Pop. (%)
Alabama	22064	0.44
Alaska	4941	0.67
Arizona	41529	0.59
Arkansas	13943	0.46
California	150424	0.38
Colorado	47568	0.83
Connecticut	12995	0.36
Delaware	7371	0.75
Florida	97206	0.46
Georgia	46387	0.44
Hawaii	4297	0.30
Idaho	24985	1.38
Illinois	47720	0.37
Indiana	38599	0.57
Iowa	19652	0.62
Kansas	21073	0.72
Kentucky	26446	0.59
Louisiana	12805	0.28
Maine	11730	0.86
Maryland	34545	0.56
Massachusetts	23388	0.34
Michigan	45425	0.45
Minnesota	23766	0.42
Mississippi	8956	0.30
Missouri	37141	0.61
Montana	9505	0.88
Nebraska	9646	0.49
Nevada	14937	0.49
New Hampshire	9693	0.71
New Jersey	30039	0.33
New Mexico	9983	0.47
New York	73512	0.37
North Carolina	57162	0.55
North Dakota	2434	0.32
Ohio	115253	0.98
Oklahoma	20519	0.52
Oregon	39517	0.94
Pennsylvania	147516	1.14
Rhode Island	3038	0.28
South Carolina	25485	0.50
South Dakota	3910	0.44
Tennessee	41596	0.61
Texas	107928	0.37
Utah	58953	1.82
Vermont	6501	1.01
Virginia	56252	0.66
Washington	68142	0.90
West Virginia	15208	0.84
Wisconsin	26745	0.46
Wyoming	6422	1.11
District of Columbia	3083	0.45