| 1. | Douglas County, CO (Highlands Ranch, Parker, Castle Rock) (pop. 175,766) | 88.6% |
| 2. | Boulder County, CO (Boulder, Longmont, Lafayette) (pop. 291,288) | 86.6% |
| 3. | Summit County, UT (Park City, Summit Park, Snyderville) (pop. 29,736) | 86.2% |
| 4. | Howard County, MD (Columbia, Ellicott City, Scaggsville) (pop. 247,842) | 85.2% |
| 5. | Orange County, NC (Chapel Hill, Carrboro, Hillsborough) (pop. 118,227) | 85.2% |
| 6. | San Mateo County, CA (Daly City, San Mateo, Redwood City) (pop. 707,161) | 84.9% |
| 7. | Hennepin County, MN (Minneapolis, Bloomington, Brooklyn Park) (pop. 1,116,200) | 84.8% |
| 8. | Dakota County, MN (Eagan, Burnsville, Apple Valley) (pop. 355,904) | 84.6% |
| 9. | Washington County, OR (Beaverton, Hillsboro, Somerset West-Rock Creek) (pop. 445,342) | 84.2% |
| 10. | Teller County, CO (Divide, Woodland Park, Cripple Creek) (pop. 20,555) | 84.1% |
| 11. | King County, WA (Seattle, East Seattle, Bellevue) (pop. 1,737,034) | 84.0% |
| 12. | Jefferson County, CO (Northeast Jefferson, Lakewood, Arvada) (pop. 527,056) | 83.9% |
| 13. | Ramsey County, MN (St. Paul, Maplewood, Roseville) (pop. 511,035) | 83.8% |
| 14. | Larimer County, CO (Fort Collins, Loveland, Estes Park) (pop. 251,494) | 83.6% |
| 15. | Wasatch County, UT (Heber, Midway, Daniel) (pop. 15,215) | 83.5% |
| 16. | Montgomery County, MD (Silver Spring, Wheaton-Glenmont, Germantown) (pop. 873,341) | 83.4% |
| 17. | Chittenden County, VT (Burlington, Essex, Colchester) (pop. 146,571) | 83.3% |
| 18. | Beaufort County, SC (Hilton Head Island, St. Helena, Beaufort) (pop. 120,937) | 83.3% |
| 19. | Multnomah County, OR (Portland, Gresham, Troutdale) (pop. 660,486) | 83.3% |
| 20. | Ada County, ID (Boise, Meridian, Orchard) (pop. 300,904) | 83.2% |
| 21. | Santa Fe County, NM (Santa Fe, Eldorado at Santa Fe, La Cienega) (pop. 129,292) | 83.1% |
| 22. | Alameda County, CA (Oakland, Fremont, Hayward) (pop. 1,443,741) | 83.0% |
| 23. | Kauai County, HI (Kapaa, Lihue, Wailua Homesteads) (pop. 58,463) | 82.8% |
| 24. | Anoka County, MN (Coon Rapids, Blaine, Fridley) (pop. 298,084) | 82.8% |
| 25. | San Francisco County, CA (San Francisco) (pop. 776,733) | 82.7% |
| 26. | Davis County, UT (North Davis, South Davis, Layton) (pop. 238,994) | 82.6% |
| 27. | Clackamas County, OR (Northwest Clackamas, Lake Oswego, Oregon City) (pop. 338,391) | 82.5% |
| 28. | Cumberland County, ME (Portland, South Portland, Westbrook) (pop. 265,612) | 82.4% |
| 29. | Lake County, IL (Waukegan, North Chicago, Highland Park) (pop. 644,356) | 82.3% |
| 30. | Santa Clara County, CA (San Jose, Sunnyvale, Santa Clara) (pop. 1,682,585) | 82.3% |
| 31. | Thurston County, WA (Olympia, Lacey, Tumwater) (pop. 207,355) | 82.2% |
| 32. | Maui County, HI (Kahului, Kihei, Wailuku) (pop. 128,094) | 82.2% |
| 33. | Utah County, UT (Provo, Orem, Pleasant Grove) (pop. 368,536) | 82.1% |
| 34. | Jackson County, OR (Medford, Ashland, Central Point) (pop. 181,269) | 82.0% |
| 35. | Wake County, NC (Raleigh, Cary, Apex) (pop. 627,846) | 81.9% |
| 36. | Johnson County, KS (Overland Park, Olathe, Shawnee) (pop. 451,086) | 81.9% |
| 37. | Missoula County, MT (Missoula, Orchard Homes, Seeley Lake-Blackfoot Valley) (pop. 95,802) | 81.9% |
| 38. | Riley County, KS (Manhattan, Fort Riley North, Ogden) (pop. 62,843) | 81.8% |
| 39. | El Paso County, CO (Colorado Springs, Black Forest-Peyton, Security-Widefield) (pop. 516,929) | 81.8% |
| 40. | Arapahoe County, CO (South Aurora, Southwest Arapahoe, Centennial) (pop. 487,967) | 81.6% |
| 41. | Hampshire County, MA (Amherst, Northampton, South Hadley) (pop. 152,251) | 81.6% |
| 42. | Kitsap County, WA (Bremerton, Bainbridge Island, Silverdale) (pop. 231,969) | 81.6% |
| 43. | Douglas County, KS (Lawrence, Eudora, Baldwin City) (pop. 99,962) | 81.4% |
| 44. | Tolland County, CT (Vernon, Mansfield, Tolland) (pop. 136,364) | 81.2% |
| 45. | Clark County, WA (Vancouver, Hazel Dell, Orchards) (pop. 345,238) | 81.2% |
| 46. | Snohomish County, WA (Everett, Edmonds, Seattle Hill-Silver Firs) (pop. 606,024) | 81.1% |
| 47. | Orange County, CA (North Coast, Santa Ana, Anaheim) (pop. 2,846,289) | 81.1% |
| 48. | Washington County, VT (Barre, Montpelier, Northfield) (pop. 58,039) | 81.0% |
| 49. | DuPage County, IL (Naperville, Wheaton, Downers Grove) (pop. 904,161) | 80.7% |
| 50. | Hawaii County, HI (Hilo, North Kona, South Kohala) (pop. 148,677) | 80.6% |
| 51. | Gallatin County, MT (Bozeman, Belgrade, Gallatin Gateway) (pop. 67,831) | 80.5% |
| 52. | Contra Costa County, CA (Central Contra Costa, West Contra Costa, Concord) (pop. 948,816) | 80.5% |
| 53. | Honolulu County, HI (Honolulu, Urban Honolulu, Ewa) (pop. 876,156) | 80.4% |
| 54. | Lane County, OR (Eugene, Springfield, Badger Mountain) (pop. 322,959) | 80.4% |
| 55. | Salt Lake County, UT (Salt Lake City, West Valley City, Sandy) (pop. 898,387) | 80.3% |
| 56. | Fulton County, GA (Atlanta, Sandy Springs, Roswell) (pop. 816,006) | 80.3% |
| 57. | Washoe County, NV (Reno, Sparks, North Valleys) (pop. 339,486) | 80.3% |
| 58. | Washington County, RI (South Kingstown, North Kingstown, Westerly) (pop. 123,546) | 80.3% |
| 59. | Bernalillo County, NM (Albuquerque, Rio Rancho, South Valley) (pop. 556,678) | 80.3% |
| 60. | Middlesex County, CT (Middletown, Cromwell, Old Saybrook) (pop. 155,071) | 80.3% |
| 61. | Lancaster County, NE (Lincoln, Waverly, Hickman) (pop. 250,291) | 80.2% |
| 62. | Cobb County, GA (Northeast Cobb, Marietta, Smyrna) (pop. 607,751) | 80.0% |
| 63. | Hunterdon County, NJ (Flemington, Lambertville, High Bridge) (pop. 121,989) | 79.9% |
| 64. | Windsor County, VT (Hartford, Springfield, Windsor) (pop. 57,418) | 79.8% |
| 65. | Flathead County, MT (Kalispell, Creston-Bigfork, Evergreen) (pop. 74,471) | 79.8% |
| 66. | Sarpy County, NE (Bellevue, Papillion, La Vista) (pop. 122,595) | 79.7% |
| 67. | Grafton County, NH (Lebanon, Hanover, Littleton) (pop. 81,743) | 79.6% |
| 68. | District of Columbia, DC (Washington) (pop. 572,059) | 79.6% |
| 69. | New York County, NY (New York, Manhattan) (pop. 1,537,195) | 79.5% |
| 70. | Kootenai County, ID (Coeur d'Alene, Post Falls, Hayden) (pop. 108,685) | 79.4% |
| 71. | Denver County, CO (Denver, Holly Hills) (pop. 554,636) | 79.4% |
| 72. | Pierce County, WA (Tacoma, Lakewood, Graham-Thrift) (pop. 700,820) | 79.4% |
| 73. | Bristol County, RI (Bristol, Barrington, Warren) (pop. 50,648) | 79.3% |
| 74. | Mecklenburg County, NC (Charlotte, Huntersville, Matthews) (pop. 695,454) | 79.3% |
| 75. | Montgomery County, PA (Norristown, Pottstown, King of Prussia) (pop. 750,097) | 79.2% |
| 76. | Rockingham County, NH (Salem, Derry, Portsmouth) (pop. 277,359) | 79.2% |
| 77. | Oakland County, MI (Farmington Hills, Troy, Southfield) (pop. 1,194,156) | 79.1% |
| 78. | Barnstable County, MA (Barnstable Town, Yarmouth, Mashpee) (pop. 222,230) | 79.1% |
| 79. | DeKalb County, GA (North Atlanta, Redan, Dunwoody) (pop. 665,865) | 79.0% |
| 80. | Newport County, RI (Newport, Middletown, Portsmouth) (pop. 85,433) | 79.0% |
| 81. | San Diego County, CA (San Diego, Chula Vista, Oceanside) (pop. 2,813,833) | 78.9% |
| 82. | Spokane County, WA (Spokane, Spokane Valley, Opportunity) (pop. 417,939) | 78.9% |
| 83. | Sagadahoc County, ME (Bath, Topsham, Woolwich) (pop. 35,214) | 78.9% |
| 84. | Cheshire County, NH (Keene, Swanzey, Rindge) (pop. 73,825) | 78.9% |
| 85. | Fort Bend County, TX (Sugar Land, Missouri City, Mission Bend) (pop. 354,452) | 78.9% |
| 86. | Norfolk County, MA (Quincy, Brookline, Weymouth) (pop. 650,308) | 78.9% |
| 87. | New London County, CT (Norwich, New London, Waterford) (pop. 259,088) | 78.8% |
| 88. | Fairfield County, CT (Bridgeport, Stamford, Norwalk) (pop. 882,567) | 78.7% |
| 89. | Cass County, ND (Fargo, West Fargo, Casselton) (pop. 123,138) | 78.7% |
| 90. | Will County, IL (Joliet, Bolingbrook, Homer Glen) (pop. 502,266) | 78.7% |
| 91. | Benton County, WA (Kennewick, Richland, Northwest Benton) (pop. 142,475) | 78.7% |
| 92. | Merrimack County, NH (Concord, Franklin, Bow) (pop. 136,225) | 78.7% |
| 93. | Fairbanks North Star Borough, AK (Fairbanks, Badger, College) (pop. 82,840) | 78.7% |
| 94. | Sandoval County, NM (Santo Domingo, Corrales, Bernalillo) (pop. 89,908) | 78.6% |
| 95. | Buncombe County, NC (Asheville, Black Mountain, Royal Pines) (pop. 206,330) | 78.6% |
| 96. | Sacramento County, CA (Sacramento, Mather, Arden-Arcade) (pop. 1,223,499) | 78.6% |
| 97. | Weber County, UT (Ogden, Roy, North Ogden) (pop. 196,533) | 78.5% |
| 98. | New Hanover County, NC (Wilmington, Masonboro, Kings Grant) (pop. 160,307) | 78.5% |
| 99. | Anne Arundel County, MD (Glen Burnie, Annapolis, Severn) (pop. 489,656) | 78.5% |
| 100. | Kent County, MI (Grand Rapids, Wyoming, Kentwood) (pop. 574,335) | 78.4% |
| 101. | Franklin County, MA (Greenfield Town, Greenfield, Montague) (pop. 71,535) | 78.4% |