Ranking of US Counties By Population with Czechoslovakian Ancestry in 2021
Updated on March 8, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among all US counties, Cook County, IL had the highest population with Czechoslovakian ancestry (5.24K), followed by Maricopa County, AZ (4.90K), and Los Angeles County, CA (4.30K).
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 Czechoslovakian Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Cook County, IL | 5236 |
| 2 | Maricopa County, AZ | 4900 |
| 3 | Los Angeles County, CA | 4301 |
| 4 | Allegheny County, PA | 3306 |
| 5 | Cuyahoga County, OH | 3245 |
| 6 | Harris County, TX | 3025 |
| 7 | San Diego County, CA | 2483 |
| 8 | King County, WA | 2352 |
| 9 | Hennepin County, MN | 2237 |
| 10 | Suffolk County, NY | 1945 |
| 11 | Orange County, CA | 1867 |
| 12 | Oakland County, MI | 1859 |
| 13 | Riverside County, CA | 1835 |
| 14 | Douglas County, NE | 1667 |
| 15 | Franklin County, OH | 1573 |
| 16 | Tarrant County, TX | 1531 |
| 17 | DuPage County, IL | 1513 |
| 18 | Travis County, TX | 1506 |
| 19 | Bexar County, TX | 1502 |
| 20 | Wayne County, MI | 1500 |
| 21 | Will County, IL | 1495 |
| 22 | Nassau County, NY | 1488 |
| 23 | Clark County, NV | 1427 |
| 24 | Dallas County, TX | 1413 |
| 25 | Pinellas County, FL | 1393 |
| 26 | Westmoreland County, PA | 1323 |
| 27 | Hartford County, CT | 1311 |
| 28 | Summit County, OH | 1236 |
| 29 | Butler County, PA | 1216 |
| 30 | Fairfield County, CT | 1196 |
| 31 | Palm Beach County, FL | 1128 |
| 32 | Kent County, MI | 1124 |
| 33 | Waukesha County, WI | 1123 |
| 34 | Ocean County, NJ | 1101 |
| 35 | Macomb County, MI | 1095 |
| 36 | Washington County, PA | 1078 |
| 37 | St. Louis County, MO | 1072 |
| 38 | Kings County, NY | 1057 |
| 39 | Lake County, IL | 1056 |
| 40 | Dakota County, MN | 1043 |
| 41 | Montgomery County, PA | 1036 |
| 42 | Genesee County, MI | 1030 |
| 43 | Monmouth County, NJ | 1029 |
| 44 | San Bernardino County, CA | 1022 |
| 45 | Milwaukee County, WI | 1002 |
| 46 | Bergen County, NJ | 996 |
| 47 | Luzerne County, PA | 993 |
| 48 | Pima County, AZ | 989 |
| 49 | Bucks County, PA | 987 |
| 50 | Hillsborough County, FL | 975 |
| 51 | Lee County, FL | 953 |
| 52 | Stark County, OH | 950 |
| 53 | Erie County, NY | 942 |
| 54 | New York County, NY | 917 |
| 55 | Santa Clara County, CA | 911 |
| 56 | Fairfax County, VA | 908 |
| 57 | Baltimore County, MD | 893 |
| 58 | Washington County, OR | 881 |
| 58 | Snohomish County, WA | 881 |
| 59 | Lehigh County, PA | 867 |
| 60 | Alameda County, CA | 852 |
| 60 | Orange County, FL | 852 |
| 61 | Collin County, TX | 843 |
| 62 | El Paso County, CO | 832 |
| 62 | Pierce County, WA | 832 |
| 63 | Dane County, WI | 827 |
| 64 | Lancaster County, NE | 825 |
| 65 | Anne Arundel County, MD | 811 |
| 66 | Lorain County, OH | 803 |
| 67 | Oklahoma County, OK | 794 |
| 68 | Ada County, ID | 789 |
| 68 | Rockland County, NY | 789 |
| 69 | Denton County, TX | 783 |
| 70 | Broome County, NY | 780 |
| 71 | Morris County, NJ | 776 |
| 72 | Williamson County, TX | 763 |
| 73 | Linn County, IA | 758 |
| 74 | Wake County, NC | 757 |
| 74 | Portage County, OH | 757 |
| 75 | Anoka County, MN | 749 |
| 76 | Douglas County, CO | 746 |
| 76 | New Haven County, CT | 746 |
| 77 | Ramsey County, MN | 743 |
| 78 | Somerset County, NJ | 733 |
| 79 | Jefferson County, CO | 723 |
| 80 | Sacramento County, CA | 709 |
| 81 | Multnomah County, OR | 707 |
| 82 | Jackson County, OR | 701 |
| 83 | Westchester County, NY | 697 |
| 84 | Montgomery County, MD | 681 |
| 85 | Cambria County, PA | 680 |
| 86 | Broward County, FL | 663 |
| 87 | Jackson County, MO | 658 |
| 88 | Lake County, IN | 653 |
| 89 | Boulder County, CO | 652 |
| 90 | Fort Bend County, TX | 650 |
| 91 | Adams County, CO | 637 |
| 92 | Medina County, OH | 618 |
| 93 | Middlesex County, NJ | 615 |
| 93 | Virginia Beach city, VA | 615 |
| 94 | Scott County, MN | 611 |
| 95 | Johnson County, KS | 610 |
| 96 | Sarpy County, NE | 607 |
| 97 | Mahoning County, OH | 606 |
| 98 | Lucas County, OH | 605 |
| 99 | Duval County, FL | 601 |
| 100 | Pasco County, FL | 600 |
| 101 | Polk County, FL | 596 |
| 102 | Sedgwick County, KS | 593 |
| 103 | Ventura County, CA | 590 |
| 104 | Collier County, FL | 589 |
| 105 | Contra Costa County, CA | 588 |
| 106 | Cobb County, GA | 587 |
| 107 | Larimer County, CO | 580 |
| 108 | Sarasota County, FL | 578 |
| 109 | Worcester County, MA | 574 |
| 110 | Monroe County, NY | 571 |
| 111 | Chester County, PA | 557 |
| 112 | Madison County, IL | 552 |
| 112 | Polk County, IA | 552 |
| 112 | Centre County, PA | 552 |
| 113 | Chatham County, GA | 546 |
| 114 | Shiawassee County, MI | 538 |
| 115 | Northampton County, PA | 532 |
| 116 | Richmond County, NY | 524 |
| 117 | Fayette County, PA | 523 |
| 118 | Schuylkill County, PA | 509 |
| 119 | Philadelphia County, PA | 508 |
| 120 | Kern County, CA | 504 |
| 121 | McHenry County, IL | 502 |
| 121 | Burlington County, NJ | 502 |
| 122 | Erie County, PA | 496 |
| 123 | St. Charles County, MO | 494 |
| 124 | Mecklenburg County, NC | 492 |
| 125 | Arapahoe County, CO | 483 |
| 126 | Brevard County, FL | 482 |
| 127 | Jefferson County, OH | 479 |
| 128 | Washtenaw County, MI | 478 |
| 129 | Brazoria County, TX | 472 |
| 130 | Beaver County, PA | 470 |
| 131 | Martin County, FL | 466 |
| 132 | Story County, IA | 462 |
| 132 | Saratoga County, NY | 462 |
| 133 | Lake County, OH | 459 |
| 134 | Manatee County, FL | 453 |
| 135 | Geauga County, OH | 450 |
| 135 | Lancaster County, PA | 450 |
| 136 | Queens County, NY | 449 |
| 137 | Salt Lake County, UT | 447 |
| 138 | Kane County, IL | 446 |
| 139 | Essex County, MA | 445 |
| 140 | Mesa County, CO | 439 |
| 141 | Middlesex County, MA | 438 |
| 142 | Cass County, ND | 434 |
| 143 | Montgomery County, OH | 432 |
| 144 | Denver County, CO | 430 |
| 145 | Orange County, NY | 427 |
| 146 | Montgomery County, TX | 426 |
| 147 | Anchorage Municipality, AK | 421 |
| 148 | Hunterdon County, NJ | 420 |
| 148 | Trumbull County, OH | 420 |
| 149 | Lane County, OR | 419 |
| 150 | Tulsa County, OK | 417 |
| 151 | Washington County, WI | 416 |
| 152 | Frederick County, MD | 415 |
| 153 | Fresno County, CA | 411 |
| 153 | Delaware County, OH | 411 |
| 154 | Delaware County, PA | 410 |
| 155 | Sonoma County, CA | 406 |
| 156 | Clackamas County, OR | 405 |
| 157 | Carver County, MN | 404 |
| 158 | Brown County, WI | 403 |
| 159 | Chesterfield County, VA | 402 |
| 160 | Ellis County, TX | 398 |
| 161 | Comal County, TX | 395 |
| 162 | Marion County, FL | 392 |
| 162 | Rock County, WI | 392 |
| 163 | Spokane County, WA | 389 |
| 164 | Litchfield County, CT | 388 |
| 165 | Fulton County, GA | 386 |
| 165 | Rice County, MN | 386 |
| 166 | San Joaquin County, CA | 385 |
| 166 | Marion County, OR | 385 |
| 167 | Weld County, CO | 384 |
| 168 | Albany County, NY | 378 |
| 168 | Thurston County, WA | 378 |
| 169 | Bernalillo County, NM | 377 |
| 170 | Marin County, CA | 373 |
| 170 | Santa Barbara County, CA | 373 |
| 170 | Ottawa County, MI | 373 |
| 171 | Sangamon County, IL | 371 |
| 172 | Clark County, WA | 370 |
| 173 | Monroe County, FL | 365 |
| 173 | Prince William County, VA | 365 |
| 174 | Bell County, TX | 364 |
| 175 | Union County, NJ | 363 |
| 176 | Jefferson County, KY | 362 |
| 176 | Brazos County, TX | 362 |
| 177 | Carroll County, MD | 358 |
| 178 | Pinal County, AZ | 357 |