| 1. | Salt Lake County, UT (Salt Lake City, West Valley City, Sandy) (pop. 898,387) | 622,807 |
| 2. | Utah County, UT (Provo, Orem, Pleasant Grove) (pop. 368,536) | 459,847 |
| 3. | Los Angeles County, CA (Los Angeles, East San Gabriel Valley, Long Beach) (pop. 9,519,338) | 451,594 |
| 4. | Kings County, NY (Brooklyn) (pop. 2,465,326) | 397,277 |
| 5. | Cook County, IL (Chicago, Cicero, Arlington Heights) (pop. 5,376,741) | 312,636 |
| 6. | Maricopa County, AZ (Phoenix, Mesa, Glendale) (pop. 3,072,149) | 312,574 |
| 7. | Davis County, UT (North Davis, South Davis, Layton) (pop. 238,994) | 230,405 |
| 8. | Queens County, NY (Queens) (pop. 2,229,379) | 216,495 |
| 9. | Harris County, TX (Houston, Northwest Harris, Pasadena) (pop. 3,400,578) | 213,212 |
| 10. | New York County, NY (New York, Manhattan) (pop. 1,537,195) | 185,469 |
| 11. | San Diego County, CA (San Diego, Chula Vista, Oceanside) (pop. 2,813,833) | 161,530 |
| 12. | Clark County, NV (Las Vegas, Paradise, Henderson) (pop. 1,375,765) | 149,167 |
| 13. | Dallas County, TX (Dallas, Garland, Irving) (pop. 2,218,899) | 147,445 |
| 14. | Orange County, CA (North Coast, Santa Ana, Anaheim) (pop. 2,846,289) | 141,815 |
| 15. | Weber County, UT (Ogden, Roy, North Ogden) (pop. 196,533) | 140,427 |
| 16. | Santa Clara County, CA (San Jose, Sunnyvale, Santa Clara) (pop. 1,682,585) | 125,165 |
| 17. | King County, WA (Seattle, East Seattle, Bellevue) (pop. 1,737,034) | 119,713 |
| 18. | Nassau County, NY (North Hempstead, Hempstead, Levittown) (pop. 1,334,544) | 102,012 |
| 19. | Washington County, UT (St. George, Hurricane, Washington) (pop. 90,354) | 94,366 |
| 20. | Cache County, UT (Logan, Smithfield, Hyrum) (pop. 91,391) | 93,104 |
| 21. | Fairfax County, VA (Burke, Reston, Annandale) (pop. 969,749) | 91,925 |
| 22. | Alameda County, CA (Oakland, Fremont, Hayward) (pop. 1,443,741) | 87,110 |
| 23. | Sacramento County, CA (Sacramento, Mather, Arden-Arcade) (pop. 1,223,499) | 86,390 |
| 24. | Philadelphia County, PA (Philadelphia) (pop. 1,517,550) | 80,599 |
| 25. | Honolulu County, HI (Honolulu, Urban Honolulu, Ewa) (pop. 876,156) | 80,221 |
| 26. | San Bernardino County, CA (San Bernardino, Ontario, Fontana) (pop. 1,709,434) | 80,047 |
| 27. | Wayne County, MI (Detroit, Livonia, Dearborn) (pop. 2,061,162) | 79,840 |
| 28. | DuPage County, IL (Naperville, Wheaton, Downers Grove) (pop. 904,161) | 77,889 |
| 29. | Riverside County, CA (Riverside, Perris Valley, Moreno Valley) (pop. 1,545,387) | 77,581 |
| 30. | Tarrant County, TX (Fort Worth, Northeast Tarrant, Arlington) (pop. 1,446,219) | 75,335 |
| 31. | Westchester County, NY (Yonkers, Greenburgh, New Rochelle) (pop. 923,459) | 75,029 |
| 32. | Rockland County, NY (Ramapo, Clarkstown, Orangetown) (pop. 286,753) | 74,477 |
| 33. | Miami-Dade County, FL (Miami, Kendale Lakes-Lindgren Acres, Hialeah) (pop. 2,253,362) | 71,458 |
| 34. | Montgomery County, MD (Silver Spring, Wheaton-Glenmont, Germantown) (pop. 873,341) | 70,946 |
| 35. | Middlesex County, MA (Lowell, Cambridge, Newton) (pop. 1,465,396) | 68,480 |
| 36. | Ada County, ID (Boise, Meridian, Orchard) (pop. 300,904) | 67,288 |
| 37. | Broward County, FL (Fort Lauderdale, Hollywood, Pembroke Pines) (pop. 1,623,018) | 63,064 |
| 38. | Palm Beach County, FL (Sunshine Parkway, West Palm Beach, Boca Raton) (pop. 1,131,184) | 62,520 |
| 39. | Bronx County, NY (Bronx) (pop. 1,332,650) | 62,139 |
| 40. | Essex County, NJ (Newark, East Orange, Irvington) (pop. 793,633) | 61,850 |
| 41. | Bexar County, TX (San Antonio, West Bexar, Southeast Bexar) (pop. 1,392,931) | 61,554 |
| 42. | Bonneville County, ID (Idaho Falls, Ammon, Lincoln) (pop. 82,522) | 59,460 |
| 43. | Oakland County, MI (Farmington Hills, Troy, Southfield) (pop. 1,194,156) | 58,590 |
| 44. | Ocean County, NJ (Toms River, Lakewood, Point Pleasant) (pop. 510,916) | 56,416 |
| 45. | Collin County, TX (Plano, McKinney, Allen) (pop. 491,675) | 54,475 |
| 46. | Bergen County, NJ (Hackensack, Teaneck, Fort Lee) (pop. 884,118) | 53,728 |
| 47. | Hillsborough County, FL (Tampa, Citrus Park-Fern Lake, Brandon) (pop. 998,948) | 50,901 |
| 48. | Suffolk County, NY (Brentwood, West Babylon, Commack) (pop. 1,419,369) | 50,771 |
| 49. | Fulton County, GA (Atlanta, Sandy Springs, Roswell) (pop. 816,006) | 50,075 |
| 50. | Cuyahoga County, OH (Cleveland, Parma, Lakewood) (pop. 1,393,978) | 49,641 |
| 51. | Pierce County, WA (Tacoma, Lakewood, Graham-Thrift) (pop. 700,820) | 49,446 |
| 52. | Middlesex County, NJ (Edison, New Brunswick, Perth Amboy) (pop. 750,162) | 48,717 |
| 53. | Contra Costa County, CA (Central Contra Costa, West Contra Costa, Concord) (pop. 948,816) | 48,553 |
| 54. | San Francisco County, CA (San Francisco) (pop. 776,733) | 47,820 |
| 55. | Pima County, AZ (Tucson, Casas Adobes, Catalina Foothills) (pop. 843,746) | 45,011 |
| 56. | Passaic County, NJ (Paterson, Clifton, Passaic) (pop. 489,049) | 44,397 |
| 57. | Bannock County, ID (Pocatello, Chubbuck, South Bannock) (pop. 75,565) | 43,667 |
| 58. | Montgomery County, PA (Norristown, Pottstown, King of Prussia) (pop. 750,097) | 43,532 |
| 59. | Franklin County, OH (Columbus, Westerville, Upper Arlington) (pop. 1,068,978) | 42,560 |
| 60. | Travis County, TX (Austin, Pflugerville, Wells Branch) (pop. 812,280) | 42,336 |
| 61. | Box Elder County, UT (Brigham City, Tremonton, Perry) (pop. 42,745) | 41,921 |
| 62. | Hennepin County, MN (Minneapolis, Bloomington, Brooklyn Park) (pop. 1,116,200) | 41,287 |
| 63. | Orange County, FL (Orlando, Southwest Orange, Alafaya) (pop. 896,344) | 41,245 |
| 64. | Denver County, CO (Denver, Holly Hills) (pop. 554,636) | 40,681 |
| 65. | Multnomah County, OR (Portland, Gresham, Troutdale) (pop. 660,486) | 39,040 |
| 66. | Tooele County, UT (Tooele, Grantsville, Erda) (pop. 40,735) | 38,895 |
| 67. | Allegheny County, PA (Pittsburgh, Penn Hills, Bethel Park) (pop. 1,281,666) | 38,781 |
| 68. | Hawaii County, HI (Hilo, North Kona, South Kohala) (pop. 148,677) | 38,701 |
| 69. | Hudson County, NJ (Jersey City, Union City, Bayonne) (pop. 608,975) | 38,322 |
| 70. | Fresno County, CA (Fresno, Clovis, Reedley) (pop. 799,407) | 37,977 |
| 71. | Madison County, ID (Thornton, Rexburg, Moody Creek) (pop. 27,467) | 37,833 |
| 72. | Ventura County, CA (Oxnard, Thousand Oaks, Simi Valley) (pop. 753,197) | 37,398 |
| 73. | St. Louis County, MO (Florissant, Chesterfield, University City) (pop. 1,016,315) | 37,156 |
| 74. | Wake County, NC (Raleigh, Cary, Apex) (pop. 627,846) | 35,767 |
| 75. | Jackson County, MO (Kansas City, Independence, Lee's Summit) (pop. 654,880) | 34,880 |
| 76. | Fort Bend County, TX (Sugar Land, Missouri City, Mission Bend) (pop. 354,452) | 34,339 |
| 77. | Snohomish County, WA (Everett, Edmonds, Seattle Hill-Silver Firs) (pop. 606,024) | 34,270 |
| 78. | Loudoun County, VA (Ashburn, Leesburg, Sterling) (pop. 169,599) | 34,241 |
| 79. | Erie County, NY (Buffalo, Amherst, Cheektowaga) (pop. 950,265) | 34,076 |
| 80. | District of Columbia, DC (Washington) (pop. 572,059) | 34,048 |
| 81. | San Joaquin County, CA (Stockton, Lodi, Tracy) (pop. 563,598) | 33,949 |
| 82. | Lake County, IL (Waukegan, North Chicago, Highland Park) (pop. 644,356) | 33,822 |
| 83. | Baltimore city, MD (Baltimore) (pop. 651,154) | 33,359 |
| 84. | Baltimore County, MD (Dundalk, Towson, Catonsville) (pop. 754,292) | 32,628 |
| 85. | Fairfield County, CT (Bridgeport, Stamford, Norwalk) (pop. 882,567) | 32,501 |
| 86. | Iron County, UT (Cedar City, Enoch, Parowan) (pop. 33,779) | 31,886 |
| 87. | Monmouth County, NJ (Long Branch, Asbury Park, Tinton Falls) (pop. 615,301) | 31,794 |
| 88. | San Mateo County, CA (Daly City, San Mateo, Redwood City) (pop. 707,161) | 31,697 |
| 89. | DeKalb County, GA (North Atlanta, Redan, Dunwoody) (pop. 665,865) | 31,499 |
| 90. | Washington County, OR (Beaverton, Hillsboro, Somerset West-Rock Creek) (pop. 445,342) | 30,823 |
| 91. | Kern County, CA (Bakersfield, East Kern, Delano) (pop. 661,645) | 30,687 |
| 92. | Norfolk County, MA (Quincy, Brookline, Weymouth) (pop. 650,308) | 30,593 |
| 93. | Pinellas County, FL (St. Petersburg, Clearwater, Boca Ciega) (pop. 921,482) | 30,563 |
| 94. | Orange County, NY (Newburgh, Middletown, Blooming Grove) (pop. 341,367) | 30,221 |
| 95. | Canyon County, ID (Nampa, Caldwell, Huston) (pop. 131,441) | 29,810 |
| 96. | Spokane County, WA (Spokane, Spokane Valley, Opportunity) (pop. 417,939) | 29,621 |
| 97. | Suffolk County, MA (Boston, Revere, Chelsea) (pop. 689,807) | 29,094 |
| 98. | Prince George's County, MD (Bowie, Oxon Hill-Glassmanor, Chillum) (pop. 801,515) | 28,743 |
| 99. | Union County, NJ (Elizabeth, Union, Plainfield) (pop. 522,541) | 28,707 |
| 100. | Monroe County, NY (Rochester, Irondequoit, Perinton) (pop. 735,343) | 28,550 |
| 101. | Hartford County, CT (Hartford, New Britain, West Hartford) (pop. 857,183) | 28,183 |