Ranking of US Counties By Population with Scotch Irish Ancestry in 2021
Updated on March 8, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among all US counties, Los Angeles County, CA had the highest population with Scotch Irish ancestry (28.67K), followed by Maricopa County, AZ (27.69K), and Harris County, TX (26.97K).
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 Scotch Irish Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Los Angeles County, CA | 28672 |
| 2 | Maricopa County, AZ | 27693 |
| 3 | Harris County, TX | 26974 |
| 4 | Mecklenburg County, NC | 22575 |
| 5 | King County, WA | 22462 |
| 6 | San Diego County, CA | 20548 |
| 7 | Wake County, NC | 19929 |
| 8 | Tarrant County, TX | 18616 |
| 9 | Allegheny County, PA | 17974 |
| 10 | Dallas County, TX | 16714 |
| 11 | Knox County, TN | 16483 |
| 12 | Orange County, CA | 16253 |
| 13 | Cook County, IL | 15002 |
| 14 | Greenville County, SC | 14806 |
| 15 | Travis County, TX | 14148 |
| 16 | Fairfax County, VA | 12319 |
| 17 | Fulton County, GA | 12037 |
| 18 | Davidson County, TN | 11979 |
| 19 | Bexar County, TX | 11678 |
| 20 | Riverside County, CA | 11576 |
| 21 | Franklin County, OH | 11543 |
| 22 | Middlesex County, MA | 11447 |
| 23 | York County, SC | 10918 |
| 24 | Pinellas County, FL | 10860 |
| 25 | Sacramento County, CA | 10818 |
| 26 | Denton County, TX | 10806 |
| 27 | Collin County, TX | 10740 |
| 28 | Guilford County, NC | 10611 |
| 29 | Duval County, FL | 10061 |
| 30 | Oakland County, MI | 9997 |
| 31 | Pima County, AZ | 9737 |
| 32 | Snohomish County, WA | 9612 |
| 33 | Shelby County, TN | 9603 |
| 34 | Salt Lake County, UT | 9308 |
| 35 | Clark County, NV | 9142 |
| 36 | Cobb County, GA | 9122 |
| 37 | Jefferson County, AL | 8813 |
| 38 | Buncombe County, NC | 8749 |
| 39 | El Paso County, CO | 8653 |
| 40 | Wayne County, MI | 8604 |
| 41 | Multnomah County, OR | 8563 |
| 42 | Hillsborough County, FL | 8404 |
| 43 | Montgomery County, TX | 8267 |
| 44 | Cuyahoga County, OH | 8169 |
| 45 | Williamson County, TX | 8090 |
| 46 | San Bernardino County, CA | 8038 |
| 47 | Pierce County, WA | 7873 |
| 48 | Jefferson County, KY | 7822 |
| 49 | St. Louis County, MO | 7740 |
| 50 | Tulsa County, OK | 7583 |
| 51 | Orange County, FL | 7576 |
| 52 | Gwinnett County, GA | 7572 |
| 53 | Palm Beach County, FL | 7318 |
| 54 | Alameda County, CA | 7286 |
| 55 | Jackson County, MO | 7208 |
| 56 | Contra Costa County, CA | 7153 |
| 57 | Horry County, SC | 7135 |
| 58 | Lexington County, SC | 7131 |
| 59 | Johnson County, KS | 7071 |
| 60 | Richland County, SC | 6982 |
| 61 | Montgomery County, MD | 6975 |
| 62 | Forsyth County, NC | 6921 |
| 63 | Arapahoe County, CO | 6793 |
| 64 | Jefferson County, CO | 6766 |
| 65 | Spartanburg County, SC | 6750 |
| 66 | Brevard County, FL | 6736 |
| 67 | DeKalb County, GA | 6735 |
| 68 | Spokane County, WA | 6710 |
| 69 | Hennepin County, MN | 6670 |
| 70 | Santa Clara County, CA | 6652 |
| 71 | Washington County, PA | 6578 |
| 72 | Gaston County, NC | 6516 |
| 73 | Marion County, IN | 6462 |
| 73 | Westmoreland County, PA | 6462 |
| 74 | Oklahoma County, OK | 6401 |
| 75 | Denver County, CO | 6389 |
| 76 | Hamilton County, TN | 6347 |
| 77 | Lee County, FL | 6310 |
| 78 | Madison County, AL | 6301 |
| 79 | Fayette County, KY | 6287 |
| 80 | Charleston County, SC | 6279 |
| 81 | Williamson County, TN | 6251 |
| 82 | New York County, NY | 6246 |
| 83 | Rutherford County, TN | 6178 |
| 84 | Broward County, FL | 6098 |
| 85 | Clark County, WA | 6041 |
| 86 | Bernalillo County, NM | 5951 |
| 87 | Montgomery County, PA | 5941 |
| 88 | Bucks County, PA | 5904 |
| 89 | Hamilton County, OH | 5892 |
| 90 | Sullivan County, TN | 5880 |
| 91 | Washington County, OR | 5874 |
| 92 | Ventura County, CA | 5872 |
| 93 | Chester County, PA | 5771 |
| 94 | Anne Arundel County, MD | 5742 |
| 95 | Sonoma County, CA | 5619 |
| 96 | Lancaster County, PA | 5556 |
| 97 | Polk County, FL | 5532 |
| 98 | Utah County, UT | 5429 |
| 99 | Lane County, OR | 5425 |
| 100 | Union County, NC | 5384 |
| 101 | Chesterfield County, VA | 5366 |
| 102 | York County, PA | 5352 |
| 103 | Butler County, PA | 5325 |
| 104 | Iredell County, NC | 5293 |
| 105 | Anderson County, SC | 5287 |
| 106 | Macomb County, MI | 5224 |
| 107 | New Hanover County, NC | 5167 |
| 108 | Sedgwick County, KS | 5152 |
| 109 | Essex County, MA | 5110 |
| 110 | Montgomery County, OH | 5106 |
| 111 | Cumberland County, ME | 5070 |
| 112 | Escambia County, FL | 5065 |
| 113 | Virginia Beach city, VA | 5039 |
| 114 | Larimer County, CO | 5013 |
| 115 | Summit County, OH | 4957 |
| 116 | Pulaski County, AR | 4945 |
| 117 | Rowan County, NC | 4912 |
| 118 | Fairfield County, CT | 4898 |
| 119 | Alamance County, NC | 4888 |
| 120 | Worcester County, MA | 4878 |
| 121 | Baltimore County, MD | 4869 |
| 122 | Henrico County, VA | 4846 |
| 123 | Pasco County, FL | 4840 |
| 124 | Cabarrus County, NC | 4833 |
| 125 | Kings County, NY | 4829 |
| 126 | Plymouth County, MA | 4808 |
| 127 | Henderson County, NC | 4727 |
| 128 | Fort Bend County, TX | 4725 |
| 129 | Randolph County, NC | 4704 |
| 130 | Durham County, NC | 4692 |
| 131 | Baldwin County, AL | 4646 |
| 132 | Mobile County, AL | 4636 |
| 133 | DuPage County, IL | 4617 |
| 134 | Boulder County, CO | 4579 |
| 135 | Fresno County, CA | 4527 |
| 136 | Orange County, NC | 4341 |
| 137 | Loudoun County, VA | 4334 |
| 138 | Kern County, CA | 4307 |
| 139 | Cleveland County, OK | 4297 |
| 140 | Greene County, MO | 4278 |
| 141 | Volusia County, FL | 4270 |
| 142 | Ada County, ID | 4261 |
| 143 | Johnston County, NC | 4252 |
| 144 | Yavapai County, AZ | 4230 |
| 145 | Sumner County, TN | 4210 |
| 146 | Monroe County, NY | 4207 |
| 147 | Washoe County, NV | 4196 |
| 148 | Delaware County, PA | 4165 |
| 149 | Douglas County, NE | 4106 |
| 150 | Blount County, TN | 4104 |
| 151 | Stark County, OH | 4089 |
| 152 | Polk County, IA | 4070 |
| 153 | Cumberland County, NC | 4067 |
| 154 | Sarasota County, FL | 4036 |
| 155 | Leon County, FL | 4019 |
| 155 | Clackamas County, OR | 4019 |
| 156 | Norfolk County, MA | 4018 |
| 157 | Haywood County, NC | 3984 |
| 158 | San Joaquin County, CA | 3958 |
| 159 | Placer County, CA | 3941 |
| 160 | Prince William County, VA | 3939 |
| 161 | Kanawha County, WV | 3933 |
| 162 | Washington County, TN | 3929 |
| 163 | Hillsborough County, NH | 3920 |
| 164 | Rockingham County, NH | 3877 |
| 165 | Erie County, NY | 3846 |
| 166 | East Baton Rouge Parish, LA | 3771 |
| 167 | Sevier County, TN | 3767 |
| 168 | Philadelphia County, PA | 3741 |
| 169 | Shelby County, AL | 3727 |
| 170 | Kitsap County, WA | 3723 |
| 171 | Seminole County, FL | 3715 |
| 172 | Cherokee County, GA | 3682 |
| 173 | San Francisco County, CA | 3631 |
| 173 | Cumberland County, PA | 3631 |
| 174 | Kent County, MI | 3598 |
| 175 | Beaver County, PA | 3582 |
| 176 | Manatee County, FL | 3578 |
| 177 | Dane County, WI | 3571 |
| 178 | Onslow County, NC | 3565 |
| 179 | Suffolk County, NY | 3532 |
| 180 | Okaloosa County, FL | 3531 |
| 181 | Lake County, IL | 3477 |
| 182 | Douglas County, CO | 3471 |
| 183 | Jackson County, OR | 3439 |
| 184 | Ramsey County, MN | 3436 |
| 185 | Hartford County, CT | 3416 |
| 186 | Anchorage Municipality, AK | 3352 |
| 187 | Adams County, CO | 3333 |
| 188 | Lubbock County, TX | 3299 |
| 189 | Marion County, OR | 3288 |
| 190 | Santa Barbara County, CA | 3284 |
| 191 | Brunswick County, NC | 3271 |
| 192 | Westchester County, NY | 3233 |
| 193 | Forsyth County, GA | 3229 |
| 194 | Alachua County, FL | 3221 |
| 195 | Brazoria County, TX | 3220 |
| 196 | Nassau County, NY | 3215 |
| 197 | Clay County, MO | 3211 |