Ranking of US Counties By Population with Swiss Ancestry in 2021
Updated on March 8, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among all US counties, Lancaster County, PA had the highest population with Swiss ancestry (18.14K), followed by Los Angeles County, CA (13.60K), and Maricopa County, AZ (11.26K).
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 Population with Swiss Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Lancaster County, PA | 18142 |
| 2 | Los Angeles County, CA | 13597 |
| 3 | Maricopa County, AZ | 11256 |
| 4 | Dane County, WI | 10466 |
| 5 | Salt Lake County, UT | 9884 |
| 6 | King County, WA | 9693 |
| 7 | Cook County, IL | 8086 |
| 8 | San Diego County, CA | 7937 |
| 9 | Utah County, UT | 7508 |
| 10 | Wayne County, OH | 6727 |
| 11 | Elkhart County, IN | 6490 |
| 12 | Green County, WI | 6334 |
| 13 | Orange County, CA | 6273 |
| 14 | Santa Clara County, CA | 5579 |
| 15 | Clark County, NV | 5534 |
| 16 | Sacramento County, CA | 5332 |
| 17 | Multnomah County, OR | 4937 |
| 18 | Hennepin County, MN | 4709 |
| 19 | Davis County, UT | 4549 |
| 20 | Stark County, OH | 4441 |
| 21 | Alameda County, CA | 4242 |
| 22 | Holmes County, OH | 4157 |
| 23 | St. Louis County, MO | 4114 |
| 24 | Franklin County, OH | 4095 |
| 25 | Harris County, TX | 3960 |
| 26 | Sonoma County, CA | 3930 |
| 27 | Allen County, IN | 3833 |
| 28 | Washington County, OR | 3828 |
| 29 | Washington County, UT | 3774 |
| 30 | Allegheny County, PA | 3681 |
| 31 | Clackamas County, OR | 3617 |
| 32 | New York County, NY | 3589 |
| 33 | Waukesha County, WI | 3577 |
| 34 | Berks County, PA | 3456 |
| 35 | Pierce County, WA | 3432 |
| 36 | Denver County, CO | 3386 |
| 37 | Contra Costa County, CA | 3354 |
| 38 | Tuscarawas County, OH | 3184 |
| 38 | Fairfax County, VA | 3184 |
| 39 | Johnson County, KS | 3176 |
| 40 | Cache County, UT | 3143 |
| 41 | Middlesex County, MA | 3090 |
| 42 | Riverside County, CA | 3084 |
| 43 | Bucks County, PA | 3074 |
| 44 | Rock County, WI | 3039 |
| 45 | Cuyahoga County, OH | 3008 |
| 46 | Wake County, NC | 2996 |
| 47 | Summit County, OH | 2995 |
| 48 | Dallas County, TX | 2973 |
| 49 | Marion County, IN | 2934 |
| 50 | LaGrange County, IN | 2885 |
| 51 | San Bernardino County, CA | 2876 |
| 52 | San Francisco County, CA | 2853 |
| 53 | Adams County, IN | 2851 |
| 54 | Travis County, TX | 2809 |
| 55 | Marion County, OR | 2788 |
| 56 | Montgomery County, PA | 2781 |
| 57 | Ada County, ID | 2780 |
| 58 | York County, PA | 2778 |
| 59 | Snohomish County, WA | 2683 |
| 60 | Chester County, PA | 2669 |
| 61 | San Mateo County, CA | 2615 |
| 62 | Hamilton County, OH | 2603 |
| 63 | Kings County, NY | 2601 |
| 63 | Lebanon County, PA | 2601 |
| 64 | Jefferson County, CO | 2597 |
| 65 | Jefferson County, KY | 2534 |
| 66 | Oakland County, MI | 2529 |
| 67 | Fairfield County, CT | 2525 |
| 68 | DuPage County, IL | 2517 |
| 69 | Milwaukee County, WI | 2488 |
| 70 | Pima County, AZ | 2445 |
| 71 | Franklin County, PA | 2428 |
| 72 | Rockingham County, VA | 2418 |
| 73 | Clark County, WA | 2408 |
| 74 | Spokane County, WA | 2362 |
| 75 | Bexar County, TX | 2356 |
| 76 | Ramsey County, MN | 2342 |
| 77 | Tarrant County, TX | 2339 |
| 78 | Suffolk County, NY | 2323 |
| 79 | Montgomery County, MD | 2273 |
| 80 | Lane County, OR | 2255 |
| 81 | Pinellas County, FL | 2248 |
| 82 | Palm Beach County, FL | 2197 |
| 83 | Larimer County, CO | 2181 |
| 84 | Philadelphia County, PA | 2125 |
| 85 | Placer County, CA | 2049 |
| 86 | Bergen County, NJ | 2043 |
| 87 | El Paso County, CO | 2036 |
| 88 | Washoe County, NV | 2003 |
| 89 | Broward County, FL | 1989 |
| 90 | Morris County, NJ | 1987 |
| 91 | San Luis Obispo County, CA | 1982 |
| 92 | Ventura County, CA | 1972 |
| 93 | Santa Barbara County, CA | 1954 |
| 94 | Stanislaus County, CA | 1923 |
| 95 | Lee County, FL | 1920 |
| 96 | Monterey County, CA | 1919 |
| 97 | Arapahoe County, CO | 1877 |
| 98 | Kent County, MI | 1875 |
| 99 | Douglas County, NE | 1869 |
| 100 | Cumberland County, PA | 1829 |
| 101 | Davidson County, TN | 1808 |
| 102 | Orange County, FL | 1806 |
| 103 | Medina County, OH | 1790 |
| 104 | Jackson County, MO | 1760 |
| 105 | Oklahoma County, OK | 1752 |
| 106 | Boulder County, CO | 1737 |
| 107 | Sarasota County, FL | 1694 |
| 108 | Hillsborough County, FL | 1691 |
| 109 | Mecklenburg County, NC | 1679 |
| 110 | Allen County, OH | 1678 |
| 110 | Montgomery County, OH | 1678 |
| 111 | Cobb County, GA | 1664 |
| 112 | Fulton County, GA | 1654 |
| 113 | Marin County, CA | 1645 |
| 114 | Weber County, UT | 1625 |
| 115 | Bonneville County, ID | 1599 |
| 116 | Williamson County, TX | 1587 |
| 117 | Duval County, FL | 1582 |
| 117 | Madison County, IL | 1582 |
| 118 | Lucas County, OH | 1577 |
| 119 | Hamilton County, IN | 1575 |
| 120 | Onondaga County, NY | 1572 |
| 121 | Wells County, IN | 1569 |
| 122 | Dakota County, MN | 1556 |
| 123 | Erie County, NY | 1550 |
| 124 | Lake County, IL | 1548 |
| 125 | Dauphin County, PA | 1521 |
| 126 | Sedgwick County, KS | 1515 |
| 127 | Fresno County, CA | 1513 |
| 128 | Westchester County, NY | 1493 |
| 129 | Douglas County, CO | 1448 |
| 130 | San Joaquin County, CA | 1447 |
| 131 | Anchorage Municipality, AK | 1445 |
| 132 | Denton County, TX | 1442 |
| 133 | Miami-Dade County, FL | 1438 |
| 134 | Knox County, TN | 1425 |
| 135 | Delaware County, OH | 1422 |
| 136 | Polk County, IA | 1408 |
| 137 | Baltimore County, MD | 1394 |
| 138 | Clark County, WI | 1376 |
| 139 | Geauga County, OH | 1349 |
| 140 | Anne Arundel County, MD | 1341 |
| 141 | DeKalb County, GA | 1337 |
| 142 | Collin County, TX | 1327 |
| 143 | Kane County, IL | 1324 |
| 144 | Peoria County, IL | 1322 |
| 145 | Kern County, CA | 1320 |
| 146 | Honolulu County, HI | 1317 |
| 147 | St. Charles County, MO | 1305 |
| 148 | Tolland County, CT | 1302 |
| 149 | Bernalillo County, NM | 1301 |
| 150 | New Haven County, CT | 1295 |
| 151 | Washtenaw County, MI | 1288 |
| 152 | Washington County, MN | 1285 |
| 153 | St. Joseph County, IN | 1283 |
| 154 | Suffolk County, MA | 1270 |
| 155 | Hartford County, CT | 1247 |
| 156 | Queens County, NY | 1236 |
| 157 | Wayne County, MI | 1233 |
| 158 | Lake County, FL | 1214 |
| 159 | Brevard County, FL | 1207 |
| 160 | St. Joseph County, MI | 1202 |
| 161 | Adams County, CO | 1197 |
| 162 | Monroe County, NY | 1191 |
| 163 | Pinal County, AZ | 1189 |
| 163 | Monmouth County, NJ | 1189 |
| 164 | Richland County, OH | 1185 |
| 165 | Montgomery County, TX | 1174 |
| 166 | Johnson County, IA | 1163 |
| 167 | Tazewell County, IL | 1161 |
| 168 | Norfolk County, MA | 1148 |
| 169 | Winnebago County, IL | 1147 |
| 170 | Yates County, NY | 1146 |
| 171 | Canyon County, ID | 1141 |
| 172 | Collier County, FL | 1140 |
| 173 | Deschutes County, OR | 1136 |
| 174 | Dodge County, WI | 1135 |
| 175 | Nassau County, NY | 1131 |
| 176 | Delaware County, PA | 1125 |
| 177 | Santa Cruz County, CA | 1123 |
| 178 | Benton County, OR | 1117 |
| 178 | Washington County, WI | 1117 |
| 179 | Gwinnett County, GA | 1116 |
| 180 | Erie County, PA | 1115 |
| 181 | Marathon County, WI | 1114 |
| 182 | Volusia County, FL | 1109 |
| 183 | Harrisonburg city, VA | 1100 |
| 184 | Wood County, OH | 1096 |
| 185 | Winnebago County, WI | 1091 |
| 186 | Tulsa County, OK | 1079 |
| 187 | McHenry County, IL | 1074 |
| 188 | Kitsap County, WA | 1066 |
| 189 | Somerset County, NJ | 1065 |
| 190 | Lancaster County, NE | 1061 |
| 191 | El Dorado County, CA | 1053 |
| 192 | New Castle County, DE | 1046 |
| 193 | Dutchess County, NY | 1034 |
| 194 | Brown County, WI | 1031 |