| 1. | Utah County, UT (Provo, Orem, Pleasant Grove) (pop. 368,536) | 23.6 |
| 2. | Onslow County, NC (Jacksonville, Piney Green, Half Moon) (pop. 150,355) | 23.4 |
| 3. | Webb County, TX (Laredo, Bruni-Mirando, Webb) (pop. 193,117) | 22.8 |
| 4. | Hidalgo County, TX (McAllen, Southeast Hidalgo, Edinburg) (pop. 569,463) | 21.6 |
| 5. | Bell County, TX (Killeen, Temple, Fort Hood) (pop. 237,974) | 20.3 |
| 6. | Alexandria city, VA (Alexandria) (pop. 128,283) | 19.7 |
| 7. | Davis County, UT (North Davis, South Davis, Layton) (pop. 238,994) | 19.4 |
| 8. | Cameron County, TX (Brownsville, Harlingen, San Benito) (pop. 335,227) | 19.4 |
| 9. | Ector County, TX (Odessa, Goldsmith-Penwell, West Odessa) (pop. 121,123) | 19.3 |
| 10. | Tulare County, CA (Visalia, Tulare, Porterville) (pop. 368,021) | 18.6 |
| 11. | Montgomery County, TN (Clarksville, St. Bethlehem, Woodlawn-Dotsonville) (pop. 134,768) | 18.3 |
| 12. | Cumberland County, NC (Fayetteville, Fort Bragg, Hope Mills) (pop. 302,963) | 18.2 |
| 13. | Imperial County, CA (El Centro, Calexico, Brawley) (pop. 142,361) | 18.1 |
| 14. | Salt Lake County, UT (Salt Lake City, West Valley City, Sandy) (pop. 898,387) | 18.0 |
| 15. | Weber County, UT (Ogden, Roy, North Ogden) (pop. 196,533) | 17.9 |
| 16. | Jefferson County, NY (Watertown, Le Ray, Fort Drum) (pop. 111,738) | 17.9 |
| 17. | Wyandotte County, KS (Kansas City, Bonner Springs, Edwardsville) (pop. 157,882) | 17.8 |
| 18. | Yakima County, WA (Yakima, Sunnyside, West Valley) (pop. 222,581) | 17.8 |
| 19. | Potter County, TX (Amarillo, Canadian River Breaks, Bishop Hills) (pop. 113,546) | 17.7 |
| 20. | Fresno County, CA (Fresno, Clovis, Reedley) (pop. 799,407) | 17.6 |
| 21. | Muscogee County, GA (Columbus, Bibb City) (pop. 186,291) | 17.6 |
| 22. | Kern County, CA (Bakersfield, East Kern, Delano) (pop. 661,645) | 17.6 |
| 23. | Denver County, CO (Denver, Holly Hills) (pop. 554,636) | 17.5 |
| 24. | El Paso County, TX (El Paso, Socorro, San Elizario) (pop. 679,622) | 17.5 |
| 25. | Canyon County, ID (Nampa, Caldwell, Huston) (pop. 131,441) | 17.3 |
| 26. | Dallas County, TX (Dallas, Garland, Irving) (pop. 2,218,899) | 17.2 |
| 27. | Midland County, TX (Midland, Midland Rural) (pop. 116,009) | 17.1 |
| 28. | Oklahoma County, OK (Oklahoma City, Edmond, Midwest City) (pop. 660,448) | 17.0 |
| 29. | Newport News city, VA (Newport News) (pop. 180,150) | 17.0 |
| 30. | Merced County, CA (Merced, Los Banos, Atwater) (pop. 210,554) | 17.0 |
| 31. | Kings County, CA (Hanford, Lemoore, Avenal) (pop. 129,461) | 16.9 |
| 32. | Harris County, TX (Houston, Northwest Harris, Pasadena) (pop. 3,400,578) | 16.9 |
| 33. | Monterey County, CA (Salinas, Seaside, Monterey) (pop. 401,762) | 16.8 |
| 34. | Kings County, NY (Brooklyn) (pop. 2,465,326) | 16.7 |
| 35. | Prince William County, VA (Dale City, Manassas, Marumsco) (pop. 280,813) | 16.6 |
| 36. | Comanche County, OK (Lawton, Southeast Comanche, Sill) (pop. 114,996) | 16.6 |
| 37. | Marion County, IN (Indianapolis, Lawrence, Beech Grove) (pop. 860,454) | 16.5 |
| 38. | Yuma County, AZ (Yuma, Fortuna Foothills, San Luis) (pop. 160,026) | 16.5 |
| 39. | Portsmouth city, VA (Portsmouth) (pop. 100,565) | 16.5 |
| 40. | Minnehaha County, SD (Sioux Falls, Brandon, Dell Rapids) (pop. 148,281) | 16.4 |
| 41. | Douglas County, NE (Omaha, Ralston, Elkhorn) (pop. 463,585) | 16.3 |
| 42. | Sarpy County, NE (Bellevue, Papillion, La Vista) (pop. 122,595) | 16.3 |
| 43. | Loudoun County, VA (Ashburn, Leesburg, Sterling) (pop. 169,599) | 16.2 |
| 44. | Durham County, NC (Durham, Gorman, Rougemont) (pop. 223,314) | 16.2 |
| 45. | Sedgwick County, KS (Wichita, Derby, Haysville) (pop. 452,869) | 16.2 |
| 46. | Madera County, CA (Madera, Oakhurst-North Fork, Chowchilla) (pop. 123,109) | 16.1 |
| 47. | Norfolk city, VA (Norfolk) (pop. 234,403) | 16.1 |
| 48. | Bronx County, NY (Bronx) (pop. 1,332,650) | 16.1 |
| 49. | Washington County, AR (Fayetteville, Springdale, Farmington) (pop. 157,715) | 16.1 |
| 50. | Bibb County, GA (Macon, Lizella, Rutland) (pop. 153,887) | 16.1 |
| 51. | Richmond County, GA (Augusta-Richmond County, Augusta, Gracewood) (pop. 199,775) | 16.1 |
| 52. | Gregg County, TX (Longview, Kilgore, Sabine) (pop. 111,379) | 16.1 |
| 53. | Rockland County, NY (Ramapo, Clarkstown, Orangetown) (pop. 286,753) | 16.0 |
| 54. | Elkhart County, IN (Elkhart, Goshen, Nappanee) (pop. 182,791) | 16.0 |
| 55. | Clayton County, GA (Forest Park, Riverdale, Irondale) (pop. 236,517) | 16.0 |
| 56. | DeKalb County, GA (North Atlanta, Redan, Dunwoody) (pop. 665,865) | 16.0 |
| 57. | Anchorage Municipality, AK (Anchorage) (pop. 260,283) | 16.0 |
| 58. | San Juan County, NM (Farmington, Shiprock, Simpson-Chaco) (pop. 113,801) | 16.0 |
| 59. | St. Louis city, MO (St. Louis) (pop. 348,189) | 15.9 |
| 60. | Taylor County, TX (Abilene, Jim Ned, Merkel) (pop. 126,555) | 15.8 |
| 61. | Hudson County, NJ (Jersey City, Union City, Bayonne) (pop. 608,975) | 15.8 |
| 62. | Tulsa County, OK (Tulsa, Broken Arrow, Owasso) (pop. 563,299) | 15.7 |
| 63. | San Bernardino County, CA (San Bernardino, Ontario, Fontana) (pop. 1,709,434) | 15.7 |
| 64. | Franklin County, OH (Columbus, Westerville, Upper Arlington) (pop. 1,068,978) | 15.7 |
| 65. | Tarrant County, TX (Fort Worth, Northeast Tarrant, Arlington) (pop. 1,446,219) | 15.7 |
| 66. | Adams County, CO (Aurora, West Adams, Westminster) (pop. 363,857) | 15.6 |
| 67. | Woodbury County, IA (Sioux City, Sergeant Bluff, Moville) (pop. 103,877) | 15.6 |
| 68. | Tangipahoa Parish, LA (Hammond, Ponchatoula, Amite City) (pop. 100,588) | 15.6 |
| 69. | Davidson County, TN (Metropolitan Government, Nashville-Davidson, Goodlettsville) (pop. 569,891) | 15.6 |
| 70. | Bexar County, TX (San Antonio, West Bexar, Southeast Bexar) (pop. 1,392,931) | 15.6 |
| 71. | Travis County, TX (Austin, Pflugerville, Wells Branch) (pop. 812,280) | 15.6 |
| 72. | San Joaquin County, CA (Stockton, Lodi, Tracy) (pop. 563,598) | 15.5 |
| 73. | Polk County, IA (Des Moines, West Des Moines, Urbandale) (pop. 374,601) | 15.5 |
| 74. | Milwaukee County, WI (Milwaukee, West Allis, Wauwatosa) (pop. 940,164) | 15.5 |
| 75. | Stanislaus County, CA (Modesto, Turlock, Ceres) (pop. 446,997) | 15.5 |
| 76. | Hall County, GA (Gainesville, Murrayville, Oakwood) (pop. 139,277) | 15.4 |
| 77. | Mecklenburg County, NC (Charlotte, Huntersville, Matthews) (pop. 695,454) | 15.4 |
| 78. | Weld County, CO (Greeley, Windsor, Evans) (pop. 180,936) | 15.4 |
| 79. | Shelby County, TN (Memphis, Bartlett, Germantown) (pop. 897,472) | 15.4 |
| 80. | Dona Ana County, NM (Las Cruces, Dona Ana-Hill, South Dona Ana) (pop. 174,682) | 15.4 |
| 81. | Robeson County, NC (Lumberton, Red Springs, Fairmont) (pop. 123,339) | 15.4 |
| 82. | Olmsted County, MN (Rochester, Stewartville, Byron) (pop. 124,277) | 15.3 |
| 83. | Philadelphia County, PA (Philadelphia) (pop. 1,517,550) | 15.3 |
| 84. | Jasper County, MO (Joplin, Carthage, Webb City) (pop. 104,686) | 15.3 |
| 85. | Brazoria County, TX (Brazosport, Angleton-Rosharon, Pearland) (pop. 241,767) | 15.3 |
| 86. | Caddo Parish, LA (Shreveport, Vivian, Greenwood) (pop. 252,161) | 15.3 |
| 87. | Fulton County, GA (Atlanta, Sandy Springs, Roswell) (pop. 816,006) | 15.2 |
| 88. | Terrebonne Parish, LA (Houma, Bayou Cane, Schriever) (pop. 104,503) | 15.2 |
| 89. | Ouachita Parish, LA (Monroe, West Monroe, Claiborne) (pop. 147,250) | 15.2 |
| 90. | Chatham County, GA (Savannah, Pooler-Burroughs, Tybee Island-Wilmington) (pop. 232,048) | 15.2 |
| 91. | Kenton County, KY (Covington, Erlanger, Independence) (pop. 151,464) | 15.2 |
| 92. | District of Columbia, DC (Washington) (pop. 572,059) | 15.1 |
| 93. | Pulaski County, AR (Little Rock, North Little Rock, Jacksonville) (pop. 361,474) | 15.1 |
| 94. | Harrison County, MS (Gulfport, Biloxi, Long Beach) (pop. 189,601) | 15.1 |
| 95. | Baltimore city, MD (Baltimore) (pop. 651,154) | 15.0 |
| 96. | Allen County, IN (Fort Wayne, New Haven, Leo-Cedarville) (pop. 331,849) | 15.0 |
| 97. | Richmond city, VA (Richmond) (pop. 197,790) | 15.0 |
| 98. | Maricopa County, AZ (Phoenix, Mesa, Glendale) (pop. 3,072,149) | 15.0 |
| 99. | Lubbock County, TX (Lubbock, Slaton, Abernathy) (pop. 242,628) | 14.9 |
| 100. | Duval County, FL (Jacksonville, Jacksonville Beach, Atlantic Beach) (pop. 778,879) | 14.9 |
| 101. | Ramsey County, MN (St. Paul, Maplewood, Roseville) (pop. 511,035) | 14.9 |