| 1. | Harris County, TX (Houston, Northwest Harris, Pasadena) (pop. 3,400,578) | 278,855 |
| 2. | Los Angeles County, CA (Los Angeles, East San Gabriel Valley, Long Beach) (pop. 9,519,338) | 229,056 |
| 3. | Cook County, IL (Chicago, Cicero, Arlington Heights) (pop. 5,376,741) | 202,114 |
| 4. | Hennepin County, MN (Minneapolis, Bloomington, Brooklyn Park) (pop. 1,116,200) | 193,498 |
| 5. | Fulton County, GA (Atlanta, Sandy Springs, Roswell) (pop. 816,006) | 166,727 |
| 6. | Dallas County, TX (Dallas, Garland, Irving) (pop. 2,218,899) | 166,224 |
| 7. | Tarrant County, TX (Fort Worth, Northeast Tarrant, Arlington) (pop. 1,446,219) | 141,938 |
| 8. | Allegheny County, PA (Pittsburgh, Penn Hills, Bethel Park) (pop. 1,281,666) | 139,551 |
| 9. | Mecklenburg County, NC (Charlotte, Huntersville, Matthews) (pop. 695,454) | 138,743 |
| 10. | Franklin County, OH (Columbus, Westerville, Upper Arlington) (pop. 1,068,978) | 105,457 |
| 11. | King County, WA (Seattle, East Seattle, Bellevue) (pop. 1,737,034) | 104,806 |
| 12. | Maricopa County, AZ (Phoenix, Mesa, Glendale) (pop. 3,072,149) | 104,145 |
| 13. | Montgomery County, PA (Norristown, Pottstown, King of Prussia) (pop. 750,097) | 103,475 |
| 14. | Philadelphia County, PA (Philadelphia) (pop. 1,517,550) | 102,627 |
| 15. | Fairfax County, VA (Burke, Reston, Annandale) (pop. 969,749) | 100,525 |
| 16. | Wake County, NC (Raleigh, Cary, Apex) (pop. 627,846) | 99,508 |
| 17. | Cuyahoga County, OH (Cleveland, Parma, Lakewood) (pop. 1,393,978) | 94,977 |
| 18. | New York County, NY (New York, Manhattan) (pop. 1,537,195) | 88,742 |
| 19. | Marion County, IN (Indianapolis, Lawrence, Beech Grove) (pop. 860,454) | 88,116 |
| 20. | Shelby County, TN (Memphis, Bartlett, Germantown) (pop. 897,472) | 87,990 |
| 21. | St. Joseph County, IN (South Bend, Mishawaka, Granger) (pop. 265,559) | 85,517 |
| 22. | Kings County, NY (Brooklyn) (pop. 2,465,326) | 85,439 |
| 23. | Wayne County, MI (Detroit, Livonia, Dearborn) (pop. 2,061,162) | 85,387 |
| 24. | Tulsa County, OK (Tulsa, Broken Arrow, Owasso) (pop. 563,299) | 85,250 |
| 25. | Oklahoma County, OK (Oklahoma City, Edmond, Midwest City) (pop. 660,448) | 83,693 |
| 26. | Fairfield County, CT (Bridgeport, Stamford, Norwalk) (pop. 882,567) | 82,604 |
| 27. | District of Columbia, DC (Washington) (pop. 572,059) | 82,388 |
| 28. | Berks County, PA (Reading, Wyomissing, Blandon) (pop. 373,638) | 80,575 |
| 29. | York County, PA (York, Hanover, Shiloh) (pop. 381,751) | 79,653 |
| 30. | Bexar County, TX (San Antonio, West Bexar, Southeast Bexar) (pop. 1,392,931) | 78,855 |
| 31. | Orange County, CA (North Coast, Santa Ana, Anaheim) (pop. 2,846,289) | 76,574 |
| 32. | Hamilton County, OH (Cincinnati, Norwood, Forest Park) (pop. 845,303) | 76,354 |
| 33. | San Diego County, CA (San Diego, Chula Vista, Oceanside) (pop. 2,813,833) | 74,992 |
| 34. | St. Louis County, MO (Florissant, Chesterfield, University City) (pop. 1,016,315) | 74,404 |
| 35. | Guilford County, NC (Greensboro, High Point, Summerfield) (pop. 421,048) | 74,143 |
| 36. | Montgomery County, MD (Silver Spring, Wheaton-Glenmont, Germantown) (pop. 873,341) | 73,637 |
| 37. | Hartford County, CT (Hartford, New Britain, West Hartford) (pop. 857,183) | 73,522 |
| 38. | Oakland County, MI (Farmington Hills, Troy, Southfield) (pop. 1,194,156) | 73,373 |
| 39. | Dane County, WI (Madison, Fitchburg, Sun Prairie) (pop. 426,526) | 73,128 |
| 40. | DuPage County, IL (Naperville, Wheaton, Downers Grove) (pop. 904,161) | 71,909 |
| 41. | Lancaster County, PA (Lancaster, Ephrata, Elizabethtown) (pop. 470,658) | 71,573 |
| 42. | Johnson County, KS (Overland Park, Olathe, Shawnee) (pop. 451,086) | 71,068 |
| 43. | Cobb County, GA (Northeast Cobb, Marietta, Smyrna) (pop. 607,751) | 71,018 |
| 44. | Middlesex County, MA (Lowell, Cambridge, Newton) (pop. 1,465,396) | 70,053 |
| 45. | Suffolk County, NY (Brentwood, West Babylon, Commack) (pop. 1,419,369) | 69,205 |
| 46. | DeKalb County, GA (North Atlanta, Redan, Dunwoody) (pop. 665,865) | 69,164 |
| 47. | Gwinnett County, GA (Dacula-Rocky Creek, Lawrenceville, Duluth) (pop. 588,448) | 67,212 |
| 48. | Jefferson County, AL (Birmingham, Hoover, Bessemer) (pop. 662,047) | 67,037 |
| 49. | Westmoreland County, PA (Murrysville, Municipality of Murrysville, Greensburg) (pop. 369,993) | 67,009 |
| 50. | Pinellas County, FL (St. Petersburg, Clearwater, Boca Ciega) (pop. 921,482) | 65,326 |
| 51. | Ramsey County, MN (St. Paul, Maplewood, Roseville) (pop. 511,035) | 64,738 |
| 52. | Travis County, TX (Austin, Pflugerville, Wells Branch) (pop. 812,280) | 64,364 |
| 53. | Lehigh County, PA (Allentown, Fullerton, Emmaus) (pop. 312,090) | 64,308 |
| 54. | Erie County, NY (Buffalo, Amherst, Cheektowaga) (pop. 950,265) | 62,675 |
| 55. | Polk County, IA (Des Moines, West Des Moines, Urbandale) (pop. 374,601) | 61,821 |
| 56. | Jackson County, MO (Kansas City, Independence, Lee's Summit) (pop. 654,880) | 61,299 |
| 57. | Bucks County, PA (Levittown, Morrisville, Croydon) (pop. 597,635) | 61,154 |
| 58. | Chester County, PA (West Chester, Phoenixville, Coatesville) (pop. 433,501) | 60,921 |
| 59. | Forsyth County, NC (Winston-Salem, Kernersville, Clemmons) (pop. 306,067) | 59,405 |
| 60. | Hillsborough County, FL (Tampa, Citrus Park-Fern Lake, Brandon) (pop. 998,948) | 59,348 |
| 61. | San Francisco County, CA (San Francisco) (pop. 776,733) | 59,308 |
| 62. | Collin County, TX (Plano, McKinney, Allen) (pop. 491,675) | 59,022 |
| 63. | Orange County, FL (Orlando, Southwest Orange, Alafaya) (pop. 896,344) | 57,086 |
| 64. | Davidson County, TN (Metropolitan Government, Nashville-Davidson, Goodlettsville) (pop. 569,891) | 55,873 |
| 65. | Dakota County, MN (Eagan, Burnsville, Apple Valley) (pop. 355,904) | 55,850 |
| 66. | Northampton County, PA (Bethlehem, Easton, Northampton) (pop. 267,066) | 54,336 |
| 67. | Monroe County, NY (Rochester, Irondequoit, Perinton) (pop. 735,343) | 53,463 |
| 68. | Broward County, FL (Fort Lauderdale, Hollywood, Pembroke Pines) (pop. 1,623,018) | 53,412 |
| 69. | New Haven County, CT (New Haven, Waterbury, Meriden) (pop. 824,008) | 52,851 |
| 70. | Delaware County, PA (Chester, Radnor Township, Drexel Hill) (pop. 550,864) | 52,224 |
| 71. | Douglas County, NE (Omaha, Ralston, Elkhorn) (pop. 463,585) | 52,105 |
| 72. | Duval County, FL (Jacksonville, Jacksonville Beach, Atlantic Beach) (pop. 778,879) | 52,038 |
| 73. | Milwaukee County, WI (Milwaukee, West Allis, Wauwatosa) (pop. 940,164) | 51,652 |
| 74. | Knox County, TN (Knoxville, Concord, Farragut) (pop. 382,032) | 51,345 |
| 75. | Prince George's County, MD (Bowie, Oxon Hill-Glassmanor, Chillum) (pop. 801,515) | 51,153 |
| 76. | Baltimore County, MD (Dundalk, Towson, Catonsville) (pop. 754,292) | 50,484 |
| 77. | Nassau County, NY (North Hempstead, Hempstead, Levittown) (pop. 1,334,544) | 50,181 |
| 78. | Minnehaha County, SD (Sioux Falls, Brandon, Dell Rapids) (pop. 148,281) | 49,759 |
| 79. | Anne Arundel County, MD (Glen Burnie, Annapolis, Severn) (pop. 489,656) | 49,450 |
| 80. | Sedgwick County, KS (Wichita, Derby, Haysville) (pop. 452,869) | 49,200 |
| 81. | Jefferson County, KY (Louisville, Jeffersontown, Pleasure Ridge Park) (pop. 693,604) | 48,598 |
| 82. | New Castle County, DE (Brandywine, Wilmington, Greater Newark) (pop. 500,265) | 48,124 |
| 83. | Montgomery County, OH (Dayton, Kettering, Huber Heights) (pop. 559,062) | 47,961 |
| 84. | Kent County, MI (Grand Rapids, Wyoming, Kentwood) (pop. 574,335) | 47,892 |
| 85. | Richland County, SC (Columbia, Dutch Fork, Pontiac) (pop. 320,677) | 47,813 |
| 86. | Richmond city, VA (Richmond) (pop. 197,790) | 47,637 |
| 87. | Queens County, NY (Queens) (pop. 2,229,379) | 47,425 |
| 88. | Charleston County, SC (Charleston, North Charleston, Mount Pleasant) (pop. 309,969) | 47,209 |
| 89. | Westchester County, NY (Yonkers, Greenburgh, New Rochelle) (pop. 923,459) | 46,854 |
| 90. | Summit County, OH (Akron, Cuyahoga Falls, Stow) (pop. 542,899) | 46,521 |
| 91. | Cass County, ND (Fargo, West Fargo, Casselton) (pop. 123,138) | 46,444 |
| 92. | Lancaster County, NE (Lincoln, Waverly, Hickman) (pop. 250,291) | 46,402 |
| 93. | Bergen County, NJ (Hackensack, Teaneck, Fort Lee) (pop. 884,118) | 45,613 |
| 94. | Stark County, OH (Canton, Massillon, Alliance) (pop. 378,098) | 45,340 |
| 95. | Baltimore city, MD (Baltimore) (pop. 651,154) | 45,316 |
| 96. | Santa Clara County, CA (San Jose, Sunnyvale, Santa Clara) (pop. 1,682,585) | 44,623 |
| 97. | Cumberland County, PA (Carlisle, Mechanicsburg, Camp Hill) (pop. 213,674) | 44,228 |
| 98. | Palm Beach County, FL (Sunshine Parkway, West Palm Beach, Boca Raton) (pop. 1,131,184) | 44,223 |
| 99. | Greenville County, SC (Greenville, Wade Hampton, Taylors) (pop. 379,616) | 44,200 |
| 100. | Lexington County, SC (Seven Oaks, West Columbia, Cayce) (pop. 216,014) | 43,909 |
| 101. | Dauphin County, PA (Harrisburg, Colonial Park, Hershey) (pop. 251,798) | 43,691 |