Ranking of US Counties By Percentage of Population with Welsh Ancestry in 2021
Updated on March 8, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among all US counties with a population of at least 50K, Lackawanna County, PA had the highest percentage of population with Welsh ancestry (4.34%), followed by Luzerne County, PA (3.69%), and Madison County, ID (3.19%).
The chart below shows the top 10 counties, and the table below shows the ranking of the top 200 counties.
You can see similar information for other ancestry groups in the US.
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Related Topics: US Census 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates (2021).
Ranking of US Counties By Percentage of Population with Welsh Ancestry in 2021
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| Rank | County | Percentage of Population (%) |
|---|---|---|
| 1 | Lackawanna County, PA | 4.34 |
| 2 | Luzerne County, PA | 3.69 |
| 3 | Madison County, ID | 3.19 |
| 4 | Iron County, UT | 2.87 |
| 5 | Madison County, NY | 2.32 |
| 6 | Oneida County, NY | 2.31 |
| 7 | Bannock County, ID | 2.27 |
| 8 | Rutland County, VT | 2.22 |
| 9 | Utah County, UT | 2.11 |
| 10 | Cache County, UT | 2.10 |
| 11 | Herkimer County, NY | 2.08 |
| 11 | Washington County, NY | 2.08 |
| 12 | Schuylkill County, PA | 2.06 |
| 13 | Bradford County, PA | 1.95 |
| 13 | Box Elder County, UT | 1.95 |
| 14 | Mahoning County, OH | 1.91 |
| 15 | Wayne County, PA | 1.90 |
| 16 | Bonneville County, ID | 1.86 |
| 17 | Davis County, UT | 1.79 |
| 17 | Washington County, UT | 1.79 |
| 18 | Delaware County, OH | 1.77 |
| 19 | Tooele County, UT | 1.75 |
| 20 | Carbon County, PA | 1.73 |
| 21 | Harrison County, WV | 1.71 |
| 22 | Salt Lake County, UT | 1.67 |
| 23 | Columbia County, PA | 1.66 |
| 23 | Weber County, UT | 1.66 |
| 24 | Allegany County, MD | 1.64 |
| 24 | Mercer County, PA | 1.64 |
| 25 | Licking County, OH | 1.61 |
| 25 | Tuscarawas County, OH | 1.61 |
| 26 | Fairfield County, OH | 1.57 |
| 27 | Tompkins County, NY | 1.54 |
| 28 | Lawrence County, PA | 1.53 |
| 28 | Lewis County, WA | 1.53 |
| 28 | Natrona County, WY | 1.53 |
| 29 | Columbiana County, OH | 1.51 |
| 30 | Cumberland County, PA | 1.50 |
| 30 | Northampton County, PA | 1.50 |
| 31 | Lewis and Clark County, MT | 1.47 |
| 32 | Stark County, OH | 1.45 |
| 33 | Ada County, ID | 1.44 |
| 33 | Northumberland County, PA | 1.44 |
| 34 | Columbia County, OR | 1.43 |
| 34 | Clallam County, WA | 1.43 |
| 35 | Chester County, PA | 1.42 |
| 35 | Anderson County, TN | 1.42 |
| 36 | Broome County, NY | 1.41 |
| 37 | Scott County, KY | 1.39 |
| 38 | Beaver County, PA | 1.36 |
| 39 | Tuolumne County, CA | 1.35 |
| 39 | Union County, OH | 1.35 |
| 39 | Douglas County, OR | 1.35 |
| 40 | Cecil County, MD | 1.34 |
| 40 | Somerset County, PA | 1.34 |
| 40 | Monongalia County, WV | 1.34 |
| 41 | La Plata County, CO | 1.33 |
| 42 | Trumbull County, OH | 1.32 |
| 43 | Kootenai County, ID | 1.31 |
| 44 | Bedford County, VA | 1.30 |
| 45 | Portage County, OH | 1.29 |
| 46 | Saline County, KS | 1.28 |
| 46 | Washington County, PA | 1.28 |
| 46 | Skagit County, WA | 1.28 |
| 47 | Medina County, OH | 1.26 |
| 47 | Walla Walla County, WA | 1.26 |
| 48 | Marion County, OH | 1.25 |
| 49 | Boulder County, CO | 1.24 |
| 49 | Cambria County, PA | 1.24 |
| 49 | Indiana County, PA | 1.24 |
| 50 | James City County, VA | 1.21 |
| 51 | Allen County, OH | 1.20 |
| 51 | Franklin County, OH | 1.20 |
| 51 | Hanover County, VA | 1.20 |
| 52 | Athens County, OH | 1.19 |
| 52 | Lehigh County, PA | 1.19 |
| 53 | Berks County, PA | 1.18 |
| 53 | Benton County, WA | 1.18 |
| 54 | Cascade County, MT | 1.17 |
| 54 | Knox County, OH | 1.17 |
| 54 | Hamblen County, TN | 1.17 |
| 55 | Larimer County, CO | 1.16 |
| 55 | Blue Earth County, MN | 1.16 |
| 55 | Summit County, OH | 1.16 |
| 55 | Marion County, WV | 1.16 |
| 56 | Kitsap County, WA | 1.15 |
| 57 | Twin Falls County, ID | 1.14 |
| 57 | Clearfield County, PA | 1.14 |
| 58 | Chemung County, NY | 1.13 |
| 58 | Greene County, OH | 1.13 |
| 59 | Oldham County, KY | 1.12 |
| 59 | Watauga County, NC | 1.12 |
| 59 | Benton County, OR | 1.12 |
| 59 | Lycoming County, PA | 1.12 |
| 59 | Island County, WA | 1.12 |
| 60 | Humboldt County, CA | 1.11 |
| 60 | Otsego County, NY | 1.11 |
| 60 | Ashland County, OH | 1.11 |
| 60 | Scioto County, OH | 1.11 |
| 60 | Kerr County, TX | 1.11 |
| 61 | Jasper County, MO | 1.10 |
| 61 | Rutherford County, NC | 1.10 |
| 61 | Clackamas County, OR | 1.10 |
| 61 | Centre County, PA | 1.10 |
| 61 | Spokane County, WA | 1.10 |
| 62 | Lake County, CA | 1.09 |
| 62 | Eagle County, CO | 1.09 |
| 63 | Troup County, GA | 1.07 |
| 63 | Fayette County, KY | 1.07 |
| 63 | Lane County, OR | 1.07 |
| 63 | Cabell County, WV | 1.07 |
| 64 | Sumter County, FL | 1.06 |
| 64 | Salem County, NJ | 1.06 |
| 64 | Allegheny County, PA | 1.06 |
| 64 | Venango County, PA | 1.06 |
| 64 | Jefferson County, WV | 1.06 |
| 65 | Williamson County, TN | 1.05 |
| 66 | Pulaski County, KY | 1.04 |
| 66 | Cumberland County, ME | 1.04 |
| 66 | Moore County, NC | 1.04 |
| 67 | El Dorado County, CA | 1.03 |
| 67 | Westmoreland County, PA | 1.03 |
| 68 | Jefferson County, CO | 1.02 |
| 68 | Mesa County, CO | 1.02 |
| 68 | Cape May County, NJ | 1.02 |
| 68 | Warren County, NY | 1.02 |
| 68 | Lake County, OH | 1.02 |
| 68 | Blair County, PA | 1.02 |
| 69 | Kosciusko County, IN | 1.01 |
| 69 | Brunswick County, NC | 1.01 |
| 69 | Muskingum County, OH | 1.01 |
| 69 | Comal County, TX | 1.01 |
| 70 | Williamson County, IL | 1.00 |
| 70 | Riley County, KS | 1.00 |
| 70 | Multnomah County, OR | 1.00 |
| 70 | Butler County, PA | 1.00 |
| 70 | Dauphin County, PA | 1.00 |
| 71 | Weld County, CO | 0.98 |
| 71 | Rensselaer County, NY | 0.98 |
| 71 | Jefferson County, OH | 0.98 |
| 71 | Washington County, VT | 0.98 |
| 72 | Johnson County, KS | 0.97 |
| 72 | Cole County, MO | 0.97 |
| 72 | Carson City, NV | 0.97 |
| 72 | Johnston County, NC | 0.97 |
| 72 | Darke County, OH | 0.97 |
| 72 | Richland County, OH | 0.97 |
| 72 | Ross County, OH | 0.97 |
| 72 | Klamath County, OR | 0.97 |
| 72 | Polk County, OR | 0.97 |
| 72 | Monroe County, PA | 0.97 |
| 72 | Mason County, WA | 0.97 |
| 73 | St. Clair County, AL | 0.96 |
| 73 | Gila County, AZ | 0.96 |
| 73 | Gallatin County, MT | 0.96 |
| 73 | Livingston County, NY | 0.96 |
| 73 | Clark County, OH | 0.96 |
| 73 | Wood County, OH | 0.96 |
| 73 | Lancaster County, PA | 0.96 |
| 73 | Roane County, TN | 0.96 |
| 74 | Okaloosa County, FL | 0.95 |
| 74 | Geauga County, OH | 0.95 |
| 74 | Bucks County, PA | 0.95 |
| 74 | Cumberland County, TN | 0.95 |
| 74 | Loudon County, TN | 0.95 |
| 75 | Clark County, IN | 0.94 |
| 75 | Linn County, OR | 0.94 |
| 75 | Crawford County, PA | 0.94 |
| 75 | Montgomery County, PA | 0.94 |
| 76 | Yavapai County, AZ | 0.93 |
| 76 | Sarasota County, FL | 0.93 |
| 76 | Knox County, TN | 0.93 |
| 76 | Chittenden County, VT | 0.93 |
| 76 | Whatcom County, WA | 0.93 |
| 77 | Penobscot County, ME | 0.92 |
| 77 | Worcester County, MD | 0.92 |
| 77 | Gloucester County, NJ | 0.92 |
| 77 | Oswego County, NY | 0.92 |
| 77 | Orange County, NC | 0.92 |
| 77 | Spotsylvania County, VA | 0.92 |
| 78 | Coconino County, AZ | 0.91 |
| 78 | Boone County, MO | 0.91 |
| 78 | Ashtabula County, OH | 0.91 |
| 78 | Clermont County, OH | 0.91 |
| 78 | Deschutes County, OR | 0.91 |
| 79 | Wayne County, IN | 0.90 |
| 79 | Clay County, MO | 0.90 |
| 79 | Henderson County, NC | 0.90 |
| 79 | Delaware County, PA | 0.90 |
| 79 | Clark County, WA | 0.90 |
| 79 | Snohomish County, WA | 0.90 |
| 80 | Sussex County, DE | 0.89 |
| 80 | Wicomico County, MD | 0.89 |
| 80 | Warren County, NJ | 0.89 |
| 80 | Washington County, OH | 0.89 |
| 81 | Monroe County, IN | 0.88 |
| 81 | Franklin County, PA | 0.88 |
| 81 | Darlington County, SC | 0.88 |
| 81 | Hamilton County, TN | 0.88 |
| 82 | Harford County, MD | 0.87 |