Ranking of US Counties By Population with British 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 British ancestry (43.14K), followed by Maricopa County, AZ (29.62K), and Salt Lake County, UT (27.51K).
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 British Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Los Angeles County, CA | 43140 |
| 2 | Maricopa County, AZ | 29620 |
| 3 | Salt Lake County, UT | 27513 |
| 4 | King County, WA | 24596 |
| 5 | San Diego County, CA | 23038 |
| 6 | Harris County, TX | 19708 |
| 7 | Orange County, CA | 19668 |
| 8 | Utah County, UT | 16142 |
| 9 | Tarrant County, TX | 15401 |
| 10 | Cook County, IL | 15363 |
| 11 | New York County, NY | 13586 |
| 12 | Travis County, TX | 13131 |
| 13 | Alameda County, CA | 12068 |
| 14 | Fairfax County, VA | 11787 |
| 15 | Santa Clara County, CA | 11556 |
| 16 | Middlesex County, MA | 11380 |
| 17 | Wake County, NC | 10853 |
| 18 | Dallas County, TX | 10748 |
| 19 | Riverside County, CA | 10624 |
| 20 | Hillsborough County, FL | 10592 |
| 21 | Clark County, NV | 10220 |
| 22 | Multnomah County, OR | 10113 |
| 23 | Kings County, NY | 9109 |
| 24 | Franklin County, OH | 9044 |
| 25 | Collin County, TX | 8907 |
| 26 | Pima County, AZ | 8822 |
| 27 | Orange County, FL | 8558 |
| 28 | Sacramento County, CA | 8540 |
| 29 | Davis County, UT | 8516 |
| 30 | Fulton County, GA | 8296 |
| 31 | Pinellas County, FL | 8244 |
| 32 | Contra Costa County, CA | 8208 |
| 33 | Montgomery County, MD | 8170 |
| 34 | Denton County, TX | 7901 |
| 35 | Bexar County, TX | 7862 |
| 36 | San Francisco County, CA | 7769 |
| 37 | Palm Beach County, FL | 7749 |
| 38 | Broward County, FL | 7692 |
| 39 | Mecklenburg County, NC | 7597 |
| 40 | Pierce County, WA | 7521 |
| 41 | Hennepin County, MN | 7485 |
| 42 | Oakland County, MI | 7399 |
| 43 | Snohomish County, WA | 7108 |
| 44 | San Bernardino County, CA | 7057 |
| 45 | Fairfield County, CT | 6824 |
| 46 | Washington County, OR | 6473 |
| 47 | Cobb County, GA | 6454 |
| 48 | Oklahoma County, OK | 6221 |
| 49 | El Paso County, CO | 5977 |
| 50 | San Mateo County, CA | 5965 |
| 51 | Gwinnett County, GA | 5881 |
| 52 | Duval County, FL | 5836 |
| 53 | Wayne County, MI | 5712 |
| 54 | St. Louis County, MO | 5685 |
| 55 | Westchester County, NY | 5648 |
| 56 | DeKalb County, GA | 5593 |
| 57 | Allegheny County, PA | 5513 |
| 58 | Ventura County, CA | 5442 |
| 59 | Miami-Dade County, FL | 5413 |
| 60 | Fort Bend County, TX | 5397 |
| 61 | Johnson County, KS | 5395 |
| 62 | Denver County, CO | 5369 |
| 63 | Bernalillo County, NM | 5354 |
| 64 | Greenville County, SC | 5244 |
| 65 | Cuyahoga County, OH | 5166 |
| 66 | Davidson County, TN | 5164 |
| 67 | Hamilton County, OH | 5117 |
| 68 | Sonoma County, CA | 5044 |
| 69 | Marion County, IN | 5043 |
| 70 | Montgomery County, PA | 5031 |
| 71 | Anne Arundel County, MD | 4969 |
| 72 | Tulsa County, OK | 4905 |
| 73 | Lee County, FL | 4892 |
| 74 | Loudoun County, VA | 4882 |
| 75 | Clark County, WA | 4868 |
| 76 | Baltimore County, MD | 4866 |
| 77 | Knox County, TN | 4863 |
| 78 | Arapahoe County, CO | 4760 |
| 79 | Brevard County, FL | 4688 |
| 80 | Lane County, OR | 4676 |
| 81 | Jefferson County, KY | 4657 |
| 82 | Clackamas County, OR | 4650 |
| 83 | Jefferson County, CO | 4615 |
| 84 | Seminole County, FL | 4588 |
| 85 | Chester County, PA | 4559 |
| 86 | Sarasota County, FL | 4509 |
| 87 | Montgomery County, TX | 4489 |
| 88 | Santa Barbara County, CA | 4462 |
| 89 | Jackson County, MO | 4457 |
| 90 | Ada County, ID | 4425 |
| 91 | Williamson County, TX | 4389 |
| 92 | Spokane County, WA | 4312 |
| 93 | Boulder County, CO | 4275 |
| 94 | Marin County, CA | 4181 |
| 95 | Hartford County, CT | 4122 |
| 96 | Madison County, AL | 4114 |
| 97 | Washtenaw County, MI | 4063 |
| 98 | Fayette County, KY | 4002 |
| 99 | Norfolk County, MA | 3982 |
| 100 | Suffolk County, NY | 3971 |
| 101 | Summit County, OH | 3952 |
| 102 | Monroe County, NY | 3951 |
| 103 | Placer County, CA | 3919 |
| 104 | Macomb County, MI | 3861 |
| 105 | Worcester County, MA | 3853 |
| 106 | Polk County, FL | 3839 |
| 107 | DuPage County, IL | 3819 |
| 108 | Sedgwick County, KS | 3816 |
| 109 | Shelby County, TN | 3787 |
| 110 | Douglas County, CO | 3779 |
| 111 | Kent County, MI | 3773 |
| 112 | Weber County, UT | 3714 |
| 113 | Dane County, WI | 3639 |
| 114 | Lancaster County, PA | 3611 |
| 115 | Philadelphia County, PA | 3596 |
| 116 | Montgomery County, OH | 3570 |
| 117 | Jefferson County, AL | 3543 |
| 118 | Lake County, FL | 3542 |
| 119 | Pasco County, FL | 3532 |
| 120 | Fresno County, CA | 3521 |
| 121 | Queens County, NY | 3503 |
| 122 | Arlington County, VA | 3445 |
| 123 | Thurston County, WA | 3430 |
| 124 | Santa Cruz County, CA | 3422 |
| 125 | Virginia Beach city, VA | 3387 |
| 126 | Essex County, MA | 3340 |
| 127 | Hamilton County, IN | 3293 |
| 128 | Washoe County, NV | 3278 |
| 129 | Cumberland County, ME | 3248 |
| 130 | Suffolk County, MA | 3242 |
| 131 | Lake County, IL | 3235 |
| 132 | Kitsap County, WA | 3218 |
| 133 | Charleston County, SC | 3211 |
| 134 | New Haven County, CT | 3210 |
| 135 | Manatee County, FL | 3135 |
| 136 | Larimer County, CO | 3133 |
| 137 | Bell County, TX | 3123 |
| 138 | Leon County, FL | 3119 |
| 139 | Williamson County, TN | 3102 |
| 140 | Delaware County, PA | 3101 |
| 141 | Guilford County, NC | 3083 |
| 142 | Bucks County, PA | 3054 |
| 143 | Volusia County, FL | 3003 |
| 144 | Erie County, NY | 2975 |
| 145 | Ramsey County, MN | 2972 |
| 146 | Brazoria County, TX | 2948 |
| 147 | New Castle County, DE | 2946 |
| 148 | Galveston County, TX | 2941 |
| 149 | Baltimore city, MD | 2932 |
| 150 | Durham County, NC | 2913 |
| 151 | Howard County, MD | 2910 |
| 152 | St. Johns County, FL | 2873 |
| 153 | Chesterfield County, VA | 2853 |
| 154 | Whatcom County, WA | 2848 |
| 155 | Kern County, CA | 2768 |
| 156 | Washington County, AR | 2763 |
| 157 | Milwaukee County, WI | 2707 |
| 158 | Hamilton County, TN | 2699 |
| 159 | Polk County, IA | 2690 |
| 160 | Alachua County, FL | 2688 |
| 161 | Monmouth County, NJ | 2676 |
| 162 | Cache County, UT | 2671 |
| 163 | Honolulu County, HI | 2655 |
| 164 | Douglas County, NE | 2651 |
| 165 | Prince William County, VA | 2649 |
| 166 | Nassau County, NY | 2648 |
| 167 | Cleveland County, OK | 2637 |
| 168 | Cherokee County, GA | 2598 |
| 169 | Buncombe County, NC | 2587 |
| 170 | Jackson County, OR | 2584 |
| 171 | Anchorage Municipality, AK | 2550 |
| 172 | St. Charles County, MO | 2538 |
| 173 | Shelby County, AL | 2537 |
| 174 | Rockingham County, NH | 2502 |
| 175 | Pinal County, AZ | 2489 |
| 176 | Solano County, CA | 2463 |
| 177 | El Dorado County, CA | 2461 |
| 178 | Frederick County, MD | 2457 |
| 179 | Morris County, NJ | 2445 |
| 180 | Adams County, CO | 2444 |
| 181 | Yavapai County, AZ | 2419 |
| 182 | Collier County, FL | 2411 |
| 183 | San Luis Obispo County, CA | 2400 |
| 184 | Forsyth County, NC | 2374 |
| 185 | Marion County, OR | 2361 |
| 186 | Pulaski County, AR | 2359 |
| 187 | York County, PA | 2358 |
| 188 | Henrico County, VA | 2350 |
| 189 | Richmond city, VA | 2331 |
| 190 | Dakota County, MN | 2322 |
| 191 | Butler County, OH | 2309 |
| 192 | Forsyth County, GA | 2300 |
| 193 | Bergen County, NJ | 2298 |
| 194 | Osceola County, FL | 2270 |
| 195 | Okaloosa County, FL | 2232 |
| 195 | Hillsborough County, NH | 2232 |
| 196 | Cumberland County, PA | 2210 |
| 197 | Richland County, SC | 2209 |
| 198 | Ocean County, NJ | 2191 |
| 199 | Deschutes County, OR | 2162 |