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RANKING · 2020 CENSUS · 71 SHOWN OF 71

Largest Welsh population, Wisconsin counties · 2020

Wisconsin counties ranked by the number of residents who are Welsh ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 71 counties in Wisconsin that qualify, ranked against each other statewide. The median across all 71 is 159.

Welsh Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Largest Welsh population by state
RANKPLACESTATEPOPWELSH POPULATIONVS 2010
01Dane County, WIWI590,3754,385+1%
02Waukesha County, WIWI417,2103,065+11%
03Milwaukee County, WIWI924,2162,565−17%
04Racine County, WIWI198,9191,152+35%
05Rock County, WIWI166,472995−5%
06Winnebago County, WIWI174,218928−34%
07Brown County, WIWI275,803814+16%
08Outagamie County, WIWI195,894774+12%
09Walworth County, WIWI106,127736+61%
10Washington County, WIWI139,238731+50%
11Ozaukee County, WIWI94,346688+69%
12Kenosha County, WIWI168,448663−14%
13Fond du Lac County, WIWI104,669539+39%
14Eau Claire County, WIWI109,0335050%
15Sauk County, WIWI66,652499+48%
16La Crosse County, WIWI121,339490−40%
17Marathon County, WIWI139,432482+7%
18Columbia County, WIWI58,132458−20%
19Jefferson County, WIWI86,505441−17%
20St. Croix County, WIWI98,276398+14%
21Dodge County, WIWI89,097395−12%
22Portage County, WIWI71,943369+64%
23Wood County, WIWI74,060352+8%
24Sheboygan County, WIWI118,047349−21%
25Grant County, WIWI52,446301+91%
26Green Lake County, WIWI19,305285+57%
27Barron County, WIWI46,484284+54%
28Iowa County, WIWI23,951249−12%
29Green County, WIWI37,227235−4%
30Jackson County, WIWI20,999207+381%
31Waushara County, WIWI25,223200−17%
32Chippewa County, WIWI67,614192−23%
33Oneida County, WIWI38,131187+5%
34Door County, WIWI30,616180−20%
35Monroe County, WIWI46,572162−18%
36Trempealeau County, WIWI31,171159+330%
37Manitowoc County, WIWI81,710156−39%
38Juneau County, WIWI26,649146+27%
39Washburn County, WIWI17,087142+109%
40Vilas County, WIWI23,761141−25%
41Douglas County, WIWI43,990137−46%
42Marquette County, WIWI15,927134+11%
43Dunn County, WIWI46,223131+26%
44Marinette County, WIWI42,574128+75%
45Pierce County, WIWI43,519126−48%
46Bayfield County, WIWI16,787119+42%
47Oconto County, WIWI40,195114+54%
48Waupaca County, WIWI51,461101−57%
49Adams County, WIWI21,75296−36%
50Polk County, WIWI45,80393−41%
51Lafayette County, WIWI17,47884−27%
52Rusk County, WIWI14,14681+62%
53Vernon County, WIWI31,44379−17%
54Richland County, WIWI17,03678−49%
55Clark County, WIWI35,05275+17%
56Price County, WIWI13,98875+25%
57Calumet County, WIWI53,98265−57%
58Kewaunee County, WIWI20,75860+100%
59Buffalo County, WIWI13,31859+195%
60Shawano County, WIWI41,56055−48%
61Florence County, WIWI4,74854+440%
62Lincoln County, WIWI28,40349−51%
63Crawford County, WIWI15,91045−63%
64Sawyer County, WIWI18,84645+25%
65Langlade County, WIWI19,53441−18%
66Forest County, WIWI9,57439+144%
67Burnett County, WIWI17,22334−8%
68Iron County, WIWI6,12723−26%
69Pepin County, WIWI7,51320+567%
70Taylor County, WIWI20,11818−65%
71Ashland County, WIWI16,20317−80%
SHOWING 1–71 OF 71

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS