Ranking of US Counties By Percentage of Population with Polish 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, Portage County, WI had the highest percentage of population with Polish ancestry (29.68%), followed by Luzerne County, PA (18.31%), and Erie County, NY (16.62%).
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 Polish Ancestry in 2021
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| Rank | County | Percentage of Population (%) |
|---|---|---|
| 1 | Portage County, WI | 29.68 |
| 2 | Luzerne County, PA | 18.31 |
| 3 | Erie County, NY | 16.62 |
| 4 | Bay County, MI | 16.28 |
| 5 | Marathon County, WI | 16.14 |
| 6 | Lackawanna County, PA | 14.91 |
| 7 | Macomb County, MI | 14.27 |
| 8 | Waukesha County, WI | 12.47 |
| 9 | Livingston County, MI | 12.42 |
| 10 | McHenry County, IL | 11.80 |
| 11 | St. Clair County, MI | 11.76 |
| 12 | Wood County, WI | 11.64 |
| 13 | Will County, IL | 11.52 |
| 14 | LaPorte County, IN | 11.19 |
| 15 | Franklin County, MA | 11.08 |
| 15 | Erie County, PA | 11.08 |
| 16 | Washington County, WI | 10.81 |
| 17 | Cambria County, PA | 10.78 |
| 18 | Hampshire County, MA | 10.64 |
| 19 | Middlesex County, CT | 10.48 |
| 20 | Niagara County, NY | 10.44 |
| 21 | DuPage County, IL | 10.30 |
| 22 | Lake County, IN | 9.93 |
| 22 | Genesee County, NY | 9.93 |
| 23 | Monroe County, MI | 9.80 |
| 24 | Schuylkill County, PA | 9.74 |
| 25 | Grundy County, IL | 9.67 |
| 26 | Lapeer County, MI | 9.49 |
| 27 | Cattaraugus County, NY | 9.47 |
| 28 | Northumberland County, PA | 9.39 |
| 29 | Westmoreland County, PA | 9.38 |
| 30 | St. Joseph County, IN | 9.36 |
| 31 | Milwaukee County, WI | 9.34 |
| 32 | Brown County, WI | 9.22 |
| 33 | Medina County, OH | 9.15 |
| 34 | Ozaukee County, WI | 9.12 |
| 35 | Oakland County, MI | 8.98 |
| 36 | Tuscola County, MI | 8.87 |
| 37 | Manitowoc County, WI | 8.81 |
| 38 | Hartford County, CT | 8.78 |
| 39 | Porter County, IN | 8.77 |
| 40 | Grand Traverse County, MI | 8.75 |
| 41 | Hampden County, MA | 8.69 |
| 42 | Chautauqua County, NY | 8.65 |
| 43 | Washington County, PA | 8.63 |
| 44 | Walworth County, WI | 8.60 |
| 45 | Oneida County, NY | 8.50 |
| 46 | Sussex County, NJ | 8.46 |
| 47 | Butler County, PA | 8.35 |
| 48 | Wood County, OH | 8.34 |
| 49 | Racine County, WI | 8.16 |
| 50 | Hunterdon County, NJ | 8.14 |
| 51 | Tolland County, CT | 8.10 |
| 52 | Fayette County, PA | 8.05 |
| 53 | Herkimer County, NY | 8.04 |
| 54 | Lucas County, OH | 7.99 |
| 55 | Ocean County, NJ | 7.97 |
| 55 | Winnebago County, WI | 7.97 |
| 56 | Lake County, IL | 7.90 |
| 57 | Lorain County, OH | 7.89 |
| 58 | Waupaca County, WI | 7.85 |
| 59 | Allegheny County, PA | 7.81 |
| 60 | Jackson County, MI | 7.77 |
| 61 | Kendall County, IL | 7.70 |
| 62 | Carbon County, PA | 7.69 |
| 63 | Wayne County, PA | 7.67 |
| 64 | Midland County, MI | 7.64 |
| 65 | Cook County, IL | 7.48 |
| 66 | Belmont County, OH | 7.47 |
| 67 | Kenosha County, WI | 7.42 |
| 68 | Geauga County, OH | 7.40 |
| 69 | Lawrence County, PA | 7.39 |
| 70 | Beaver County, PA | 7.29 |
| 71 | Windham County, CT | 7.25 |
| 72 | Litchfield County, CT | 7.19 |
| 73 | Berkshire County, MA | 7.18 |
| 74 | LaSalle County, IL | 7.16 |
| 75 | Cuyahoga County, OH | 7.14 |
| 76 | Stearns County, MN | 7.08 |
| 77 | Boone County, IL | 7.06 |
| 78 | New London County, CT | 7.05 |
| 79 | Bucks County, PA | 7.04 |
| 80 | Jefferson County, WI | 7.02 |
| 81 | Somerset County, PA | 7.01 |
| 82 | Warren County, NJ | 6.94 |
| 83 | Kent County, MI | 6.88 |
| 84 | Cape May County, NJ | 6.86 |
| 85 | Saginaw County, MI | 6.85 |
| 86 | Lake County, OH | 6.79 |
| 87 | Wayne County, MI | 6.72 |
| 88 | Kane County, IL | 6.68 |
| 89 | Monroe County, PA | 6.59 |
| 90 | Outagamie County, WI | 6.58 |
| 91 | Isabella County, MI | 6.55 |
| 91 | Saratoga County, NY | 6.55 |
| 92 | Indiana County, PA | 6.50 |
| 93 | Onondaga County, NY | 6.49 |
| 94 | Ottawa County, MI | 6.44 |
| 95 | Jefferson County, OH | 6.41 |
| 96 | Somerset County, NJ | 6.40 |
| 97 | Washtenaw County, MI | 6.31 |
| 98 | Rutland County, VT | 6.29 |
| 98 | Dodge County, WI | 6.29 |
| 99 | Cayuga County, NY | 6.23 |
| 100 | DeKalb County, IL | 6.20 |
| 101 | Morris County, NJ | 6.15 |
| 102 | Calumet County, WI | 6.13 |
| 103 | Monmouth County, NJ | 6.12 |
| 104 | Broome County, NY | 6.09 |
| 105 | Burlington County, NJ | 6.07 |
| 106 | Armstrong County, PA | 5.99 |
| 107 | Rensselaer County, NY | 5.97 |
| 108 | Crow Wing County, MN | 5.95 |
| 108 | Chippewa County, WI | 5.95 |
| 109 | Kankakee County, IL | 5.90 |
| 110 | Sherburne County, MN | 5.89 |
| 110 | Pike County, PA | 5.89 |
| 111 | Oswego County, NY | 5.88 |
| 112 | Montgomery County, PA | 5.85 |
| 113 | Schenectady County, NY | 5.83 |
| 114 | Chemung County, NY | 5.82 |
| 115 | Columbia County, WI | 5.77 |
| 116 | Genesee County, MI | 5.76 |
| 117 | Gloucester County, NJ | 5.73 |
| 118 | Marquette County, MI | 5.72 |
| 119 | Van Buren County, MI | 5.71 |
| 120 | Harford County, MD | 5.70 |
| 120 | Clearfield County, PA | 5.70 |
| 120 | Columbia County, PA | 5.70 |
| 120 | Crawford County, PA | 5.70 |
| 121 | La Crosse County, WI | 5.69 |
| 122 | Bergen County, NJ | 5.66 |
| 123 | Eau Claire County, WI | 5.65 |
| 124 | Cass County, MI | 5.63 |
| 124 | Mercer County, NJ | 5.63 |
| 125 | Anoka County, MN | 5.50 |
| 126 | Fond du Lac County, WI | 5.47 |
| 127 | Columbia County, NY | 5.46 |
| 128 | New Haven County, CT | 5.42 |
| 129 | Albany County, NY | 5.41 |
| 130 | Ingham County, MI | 5.40 |
| 131 | Worcester County, MA | 5.39 |
| 132 | St. Louis County, MN | 5.36 |
| 133 | Middlesex County, NJ | 5.35 |
| 134 | Dane County, WI | 5.33 |
| 135 | Kalamazoo County, MI | 5.28 |
| 135 | Portage County, OH | 5.28 |
| 136 | Shiawassee County, MI | 5.23 |
| 137 | Mercer County, PA | 5.20 |
| 138 | Clinton County, MI | 5.19 |
| 138 | Ulster County, NY | 5.19 |
| 139 | Allegan County, MI | 5.07 |
| 140 | Sarpy County, NE | 5.06 |
| 141 | Berks County, PA | 5.00 |
| 142 | Madison County, NY | 4.92 |
| 143 | Chisago County, MN | 4.86 |
| 144 | Chester County, PA | 4.85 |
| 145 | St. Croix County, WI | 4.81 |
| 146 | Carver County, MN | 4.80 |
| 147 | Summit County, OH | 4.79 |
| 148 | Muskegon County, MI | 4.78 |
| 149 | Berrien County, MI | 4.67 |
| 150 | Fairfield County, CT | 4.65 |
| 150 | Fulton County, NY | 4.65 |
| 151 | Camden County, NJ | 4.64 |
| 152 | Suffolk County, NY | 4.63 |
| 152 | Sullivan County, NY | 4.63 |
| 153 | Warren County, NY | 4.61 |
| 153 | Northampton County, PA | 4.61 |
| 154 | Wright County, MN | 4.59 |
| 154 | Rockingham County, NH | 4.59 |
| 155 | Mahoning County, OH | 4.58 |
| 156 | Carroll County, MD | 4.56 |
| 157 | Sheboygan County, WI | 4.55 |
| 158 | Lenawee County, MI | 4.54 |
| 158 | Hall County, NE | 4.54 |
| 158 | Monroe County, NY | 4.54 |
| 159 | Washington County, MN | 4.53 |
| 160 | Centre County, PA | 4.49 |
| 161 | New Castle County, DE | 4.48 |
| 162 | Baltimore County, MD | 4.46 |
| 163 | Venango County, PA | 4.45 |
| 164 | Eaton County, MI | 4.43 |
| 165 | Cheshire County, NH | 4.42 |
| 166 | Sauk County, WI | 4.41 |
| 167 | Sarasota County, FL | 4.35 |
| 168 | Cecil County, MD | 4.32 |
| 169 | Martin County, FL | 4.31 |
| 170 | Rockland County, NY | 4.30 |
| 170 | Blair County, PA | 4.30 |
| 171 | Union County, NJ | 4.26 |
| 172 | Nassau County, NY | 4.24 |
| 173 | Washington County, RI | 4.23 |
| 174 | Washington County, NY | 4.21 |
| 174 | Kent County, RI | 4.21 |
| 175 | Windsor County, VT | 4.17 |
| 176 | Orange County, NY | 4.14 |
| 177 | Bristol County, RI | 4.13 |
| 178 | Chittenden County, VT | 4.09 |
| 179 | Sumter County, FL | 4.07 |