| 1. | Humboldt County, CA (Eureka, North Coastal, Arcata) (pop. 126,518) | 6.2% |
| 2. | Mendocino County, CA (Ukiah, Redwood-Potter, Fort Bragg) (pop. 86,265) | 5.2% |
| 3. | Bernalillo County, NM (Albuquerque, Rio Rancho, South Valley) (pop. 556,678) | 5.1% |
| 4. | Valencia County, NM (Los Lunas, Belen, El Cerro-Monterey Park) (pop. 66,152) | 5.0% |
| 5. | Grafton County, NH (Lebanon, Hanover, Littleton) (pop. 81,743) | 4.5% |
| 6. | Sandoval County, NM (Santo Domingo, Corrales, Bernalillo) (pop. 89,908) | 4.5% |
| 7. | Santa Fe County, NM (Santa Fe, Eldorado at Santa Fe, La Cienega) (pop. 129,292) | 4.2% |
| 8. | Lake County, CA (Clearlake, Lakeport, Hidden Valley Lake) (pop. 58,309) | 3.9% |
| 9. | Santa Cruz County, CA (Santa Cruz, Watsonville, San Lorenzo Valley) (pop. 255,602) | 3.8% |
| 10. | Benton County, OR (Corvallis, North Albany, Philomath) (pop. 78,153) | 3.8% |
| 11. | Travis County, TX (Austin, Pflugerville, Wells Branch) (pop. 812,280) | 3.6% |
| 12. | Otero County, NM (Alamogordo, Southeast Otero, Tularosa) (pop. 62,298) | 3.6% |
| 13. | Washington County, AR (Fayetteville, Springdale, Farmington) (pop. 157,715) | 3.6% |
| 14. | Jackson County, IL (Carbondale, Murphysboro, De Soto) (pop. 59,612) | 3.6% |
| 15. | Multnomah County, OR (Portland, Gresham, Troutdale) (pop. 660,486) | 3.3% |
| 16. | San Juan County, NM (Farmington, Shiprock, Simpson-Chaco) (pop. 113,801) | 3.3% |
| 17. | San Francisco County, CA (San Francisco) (pop. 776,733) | 3.3% |
| 18. | Butte County, CA (Chico, Paradise, Oroville) (pop. 203,171) | 3.3% |
| 19. | Tompkins County, NY (Ithaca, South Hill, Newfield) (pop. 96,501) | 3.3% |
| 20. | Roanoke County, VA (Roanoke, Cave Spring, Salem) (pop. 85,778) | 3.2% |
| 21. | Roanoke city, VA (pop. 94,911) | 3.2% |
| 22. | Lane County, OR (Eugene, Springfield, Badger Mountain) (pop. 322,959) | 3.2% |
| 23. | Coos County, OR (Coos Bay, North Bend, Eastside) (pop. 62,779) | 3.2% |
| 24. | Sonoma County, CA (Santa Rosa, Petaluma, Rohnert Park) (pop. 458,614) | 3.2% |
| 25. | Linn County, OR (Albany, Lebanon, Sweet Home) (pop. 103,069) | 3.2% |
| 26. | Gallatin County, MT (Bozeman, Belgrade, Gallatin Gateway) (pop. 67,831) | 3.2% |
| 27. | Ada County, ID (Boise, Meridian, Orchard) (pop. 300,904) | 3.2% |
| 28. | Penobscot County, ME (Bangor, Brewer, Orono) (pop. 144,919) | 3.1% |
| 29. | Tehama County, CA (Red Bluff, Corning, West Tehama) (pop. 56,039) | 3.1% |
| 30. | Hampshire County, MA (Amherst, Northampton, South Hadley) (pop. 152,251) | 3.1% |
| 31. | Salt Lake County, UT (Salt Lake City, West Valley City, Sandy) (pop. 898,387) | 3.0% |
| 32. | Chaves County, NM (Roswell, Southwest Chaves, Northwest Chaves) (pop. 61,382) | 3.0% |
| 33. | Dona Ana County, NM (Las Cruces, Dona Ana-Hill, South Dona Ana) (pop. 174,682) | 3.0% |
| 34. | Natrona County, WY (Casper, Hells Half Acre, Mills) (pop. 66,533) | 3.0% |
| 35. | Yuba County, CA (Linda, Marysville, Olivehurst) (pop. 60,219) | 3.0% |
| 36. | Hays County, TX (San Marcos, Kyle, Wimberley) (pop. 97,589) | 3.0% |
| 37. | Bannock County, ID (Pocatello, Chubbuck, South Bannock) (pop. 75,565) | 2.9% |
| 38. | Douglas County, OR (Roseburg, Calapooia, Tenmile) (pop. 100,399) | 2.9% |
| 39. | San Luis Obispo County, CA (San Luis Obispo, Paso Robles, Atascadero) (pop. 246,681) | 2.9% |
| 40. | Tuolumne County, CA (East Sonora-Phoenix Lake, Phoenix Lake-Cedar Ridge, Groveland) (pop. 54,501) | 2.9% |
| 41. | Missoula County, MT (Missoula, Orchard Homes, Seeley Lake-Blackfoot Valley) (pop. 95,802) | 2.9% |
| 42. | Whatcom County, WA (Bellingham, Lynden, Ferndale) (pop. 166,814) | 2.9% |
| 43. | Twin Falls County, ID (Twin Falls, Buhl, Kimberly) (pop. 64,284) | 2.9% |
| 44. | Alameda County, CA (Oakland, Fremont, Hayward) (pop. 1,443,741) | 2.9% |
| 45. | Flathead County, MT (Kalispell, Creston-Bigfork, Evergreen) (pop. 74,471) | 2.9% |
| 46. | Jackson County, OR (Medford, Ashland, Central Point) (pop. 181,269) | 2.9% |
| 47. | Nevada County, CA (Donner, Truckee, Grass Valley) (pop. 92,033) | 2.9% |
| 48. | Josephine County, OR (Grants Pass, Northwest Josephine, Redwood) (pop. 75,726) | 2.8% |
| 49. | Champaign County, IL (Champaign, Urbana, Rantoul) (pop. 179,669) | 2.8% |
| 50. | Somerset County, ME (Skowhegan, Pittsfield, Madison) (pop. 50,888) | 2.8% |
| 51. | Umatilla County, OR (Northwest Umatilla, Pendleton, Hermiston) (pop. 70,548) | 2.8% |
| 52. | Athens County, OH (Athens, Nelsonville, The Plains) (pop. 62,223) | 2.8% |
| 53. | Thurston County, WA (Olympia, Lacey, Tumwater) (pop. 207,355) | 2.8% |
| 54. | Blue Earth County, MN (Mankato, Lake Crystal, Eagle Lake) (pop. 55,941) | 2.8% |
| 55. | Canyon County, ID (Nampa, Caldwell, Huston) (pop. 131,441) | 2.8% |
| 56. | Grays Harbor County, WA (Aberdeen, Hoquiam, Wynoochee) (pop. 67,194) | 2.8% |
| 57. | Cascade County, MT (Great Falls, Malmstrom AFB, Sun River Valley) (pop. 80,357) | 2.8% |
| 58. | Yolo County, CA (Davis, Woodland, East Yolo) (pop. 168,660) | 2.8% |
| 59. | White County, AR (Searcy, Beebe, Bald Knob) (pop. 67,165) | 2.8% |
| 60. | Eddy County, NM (Carlsbad, Artesia, Loving) (pop. 51,658) | 2.8% |
| 61. | Kennebec County, ME (Augusta, Waterville, Winslow) (pop. 117,114) | 2.7% |
| 62. | Douglas County, KS (Lawrence, Eudora, Baldwin City) (pop. 99,962) | 2.7% |
| 63. | Kootenai County, ID (Coeur d'Alene, Post Falls, Hayden) (pop. 108,685) | 2.7% |
| 64. | Boone County, MO (Columbia, Centralia, Ashland) (pop. 135,454) | 2.7% |
| 65. | Grant County, WA (Moses Lake, Southern Slopes, Ephrata) (pop. 74,698) | 2.7% |
| 66. | Crawford County, AR (Van Buren, Alma, Mulberry) (pop. 53,247) | 2.7% |
| 67. | Carson City, NV (Carson City) (pop. 52,457) | 2.7% |
| 68. | Pope County, AR (Russellville, Atkins, Dover) (pop. 54,469) | 2.7% |
| 69. | Yellowstone County, MT (Billings, South Yellowstone, Laurel) (pop. 129,352) | 2.7% |
| 70. | Lewis and Clark County, MT (Helena, Helena Valley Southeast, Helena Valley West Central) (pop. 55,716) | 2.7% |
| 71. | Faulkner County, AR (Conway, Greenbrier, Vilonia) (pop. 86,014) | 2.7% |
| 72. | Klamath County, OR (Altamont, Klamath Falls, Keno) (pop. 63,775) | 2.7% |
| 73. | Androscoggin County, ME (Lewiston, Auburn, Lisbon) (pop. 103,793) | 2.7% |
| 74. | Broome County, NY (Union, Binghamton, Vestal) (pop. 200,536) | 2.7% |
| 75. | Yamhill County, OR (McMinnville, Newberg, Sheridan) (pop. 84,992) | 2.7% |
| 76. | Hamilton County, TN (Chattanooga, East Ridge, East Brainerd) (pop. 307,896) | 2.6% |
| 77. | Saline County, AR (Benton, Bryant, East End) (pop. 83,529) | 2.6% |
| 78. | Monroe County, IN (Bloomington, Ellettsville, Smithville-Sanders) (pop. 120,563) | 2.6% |
| 79. | Craighead County, AR (Jonesboro, Lake City, Bay) (pop. 82,148) | 2.6% |
| 80. | Riley County, KS (Manhattan, Fort Riley North, Ogden) (pop. 62,843) | 2.6% |
| 81. | Laramie County, WY (Cheyenne, Ranchettes, Warren AFB) (pop. 81,607) | 2.6% |
| 82. | Weld County, CO (Greeley, Windsor, Evans) (pop. 180,936) | 2.6% |
| 83. | Carroll County, MD (Eldersburg, Westminster, District 1, Taneytown) (pop. 150,897) | 2.6% |
| 84. | El Dorado County, CA (South El Dorado, North El Dorado, South Lake Tahoe) (pop. 156,299) | 2.6% |
| 85. | Monongalia County, WV (Morgantown, Cheat Lake, Brookhaven) (pop. 81,866) | 2.6% |
| 86. | Seneca County, OH (Tiffin, Fostoria, Bloomville) (pop. 58,683) | 2.6% |
| 87. | Clallam County, WA (Port Angeles, Agnew-Carlsborg, Sequim) (pop. 64,525) | 2.6% |
| 88. | Williamson County, TX (Round Rock, Georgetown, Cedar Park) (pop. 249,967) | 2.6% |
| 89. | Spokane County, WA (Spokane, Spokane Valley, Opportunity) (pop. 417,939) | 2.6% |
| 90. | Santa Barbara County, CA (Santa Maria Valley, Santa Barbara, Santa Maria) (pop. 399,347) | 2.6% |
| 91. | Adams County, CO (Aurora, West Adams, Westminster) (pop. 363,857) | 2.6% |
| 92. | El Paso County, CO (Colorado Springs, Black Forest-Peyton, Security-Widefield) (pop. 516,929) | 2.5% |
| 93. | Montgomery County, VA (Blacksburg, Christiansburg, Merrimac) (pop. 83,629) | 2.5% |
| 94. | Larimer County, CO (Fort Collins, Loveland, Estes Park) (pop. 251,494) | 2.5% |
| 95. | Lonoke County, AR (Cabot, Lonoke, England) (pop. 52,828) | 2.5% |
| 96. | Marion County, WV (Fairmont, Middletown district, Pleasant Valley) (pop. 56,598) | 2.5% |
| 97. | Grand Forks County, ND (Grand Forks, Grand Forks AFB, Larimore) (pop. 66,109) | 2.5% |
| 98. | Marin County, CA (Ross Valley, San Rafael, Northeast Marin) (pop. 247,289) | 2.5% |
| 99. | Washington County, OR (Beaverton, Hillsboro, Somerset West-Rock Creek) (pop. 445,342) | 2.5% |
| 100. | Ward County, ND (Minot, Minot AFB, Burlington) (pop. 58,795) | 2.5% |
| 101. | Cass County, ND (Fargo, West Fargo, Casselton) (pop. 123,138) | 2.5% |