| 1. | Dakota County, MN (Eagan, Burnsville, Apple Valley) (pop. 355,904) | 84.4% |
| 2. | Washington County, RI (South Kingstown, North Kingstown, Westerly) (pop. 123,546) | 83.9% |
| 3. | Hunterdon County, NJ (Flemington, Lambertville, High Bridge) (pop. 121,989) | 83.4% |
| 4. | Middlesex County, CT (Middletown, Cromwell, Old Saybrook) (pop. 155,071) | 83.4% |
| 5. | Santa Clara County, CA (San Jose, Sunnyvale, Santa Clara) (pop. 1,682,585) | 83.4% |
| 6. | Oakland County, MI (Farmington Hills, Troy, Southfield) (pop. 1,194,156) | 83.1% |
| 7. | Norfolk County, MA (Quincy, Brookline, Weymouth) (pop. 650,308) | 82.8% |
| 8. | Douglas County, CO (Highlands Ranch, Parker, Castle Rock) (pop. 175,766) | 82.5% |
| 9. | Barnstable County, MA (Barnstable Town, Yarmouth, Mashpee) (pop. 222,230) | 82.5% |
| 10. | Morris County, NJ (Morristown, Dover, Madison) (pop. 470,212) | 82.4% |
| 11. | Johnson County, KS (Overland Park, Olathe, Shawnee) (pop. 451,086) | 82.1% |
| 12. | Somerset County, NJ (Somerset, North Plainfield, Bradley Gardens) (pop. 297,490) | 81.9% |
| 13. | Howard County, MD (Columbia, Ellicott City, Scaggsville) (pop. 247,842) | 81.6% |
| 14. | Montgomery County, MD (Silver Spring, Wheaton-Glenmont, Germantown) (pop. 873,341) | 81.6% |
| 15. | Hennepin County, MN (Minneapolis, Bloomington, Brooklyn Park) (pop. 1,116,200) | 81.5% |
| 16. | Newport County, RI (Newport, Middletown, Portsmouth) (pop. 85,433) | 81.3% |
| 17. | Chittenden County, VT (Burlington, Essex, Colchester) (pop. 146,571) | 80.9% |
| 18. | Plymouth County, MA (Brockton, Wareham, Middleborough) (pop. 472,822) | 80.7% |
| 19. | DuPage County, IL (Naperville, Wheaton, Downers Grove) (pop. 904,161) | 80.7% |
| 20. | Monroe County, NY (Rochester, Irondequoit, Perinton) (pop. 735,343) | 80.5% |
| 21. | Tolland County, CT (Vernon, Mansfield, Tolland) (pop. 136,364) | 80.4% |
| 22. | Fairfield County, CT (Bridgeport, Stamford, Norwalk) (pop. 882,567) | 80.3% |
| 23. | Macomb County, MI (Warren, Sterling Heights, Shelby) (pop. 788,149) | 80.2% |
| 24. | Hartford County, CT (Hartford, New Britain, West Hartford) (pop. 857,183) | 80.2% |
| 25. | Bristol County, RI (Bristol, Barrington, Warren) (pop. 50,648) | 80.2% |
| 26. | Gwinnett County, GA (Dacula-Rocky Creek, Lawrenceville, Duluth) (pop. 588,448) | 80.1% |
| 27. | Westchester County, NY (Yonkers, Greenburgh, New Rochelle) (pop. 923,459) | 80.1% |
| 28. | New London County, CT (Norwich, New London, Waterford) (pop. 259,088) | 80.0% |
| 29. | Lancaster County, NE (Lincoln, Waverly, Hickman) (pop. 250,291) | 80.0% |
| 30. | Bergen County, NJ (Hackensack, Teaneck, Fort Lee) (pop. 884,118) | 80.0% |
| 31. | Nassau County, NY (North Hempstead, Hempstead, Levittown) (pop. 1,334,544) | 79.9% |
| 32. | Kent County, RI (Warwick, Coventry, West Warwick) (pop. 167,090) | 79.9% |
| 33. | Anne Arundel County, MD (Glen Burnie, Annapolis, Severn) (pop. 489,656) | 79.9% |
| 34. | Ramsey County, MN (St. Paul, Maplewood, Roseville) (pop. 511,035) | 79.8% |
| 35. | New Castle County, DE (Brandywine, Wilmington, Greater Newark) (pop. 500,265) | 79.7% |
| 36. | Rockingham County, NH (Salem, Derry, Portsmouth) (pop. 277,359) | 79.3% |
| 37. | Sagadahoc County, ME (Bath, Topsham, Woolwich) (pop. 35,214) | 79.0% |
| 38. | Contra Costa County, CA (Central Contra Costa, West Contra Costa, Concord) (pop. 948,816) | 78.9% |
| 39. | Monmouth County, NJ (Long Branch, Asbury Park, Tinton Falls) (pop. 615,301) | 78.9% |
| 40. | Cumberland County, ME (Portland, South Portland, Westbrook) (pop. 265,612) | 78.6% |
| 41. | Linn County, IA (Cedar Rapids, Marion, Hiawatha) (pop. 191,701) | 78.5% |
| 42. | Boulder County, CO (Boulder, Longmont, Lafayette) (pop. 291,288) | 78.5% |
| 43. | Montgomery County, PA (Norristown, Pottstown, King of Prussia) (pop. 750,097) | 78.5% |
| 44. | Sarpy County, NE (Bellevue, Papillion, La Vista) (pop. 122,595) | 78.4% |
| 45. | Cass County, ND (Fargo, West Fargo, Casselton) (pop. 123,138) | 78.3% |
| 46. | Merrimack County, NH (Concord, Franklin, Bow) (pop. 136,225) | 78.2% |
| 47. | Polk County, IA (Des Moines, West Des Moines, Urbandale) (pop. 374,601) | 78.2% |
| 48. | Hillsborough County, NH (Manchester, Nashua, Merrimack) (pop. 380,841) | 78.2% |
| 49. | King County, WA (Seattle, East Seattle, Bellevue) (pop. 1,737,034) | 78.1% |
| 50. | Burlington County, NJ (Moorestown-Lenola, Franklin Park, Browns Mills) (pop. 423,394) | 77.9% |
| 51. | Hampshire County, MA (Amherst, Northampton, South Hadley) (pop. 152,251) | 77.8% |
| 52. | Honolulu County, HI (Honolulu, Urban Honolulu, Ewa) (pop. 876,156) | 77.6% |
| 53. | Kent County, MI (Grand Rapids, Wyoming, Kentwood) (pop. 574,335) | 77.5% |
| 54. | Frederick County, MD (Frederick, Ballenger Creek, Linganore-Bartonsville) (pop. 195,277) | 77.5% |
| 55. | Burleigh County, ND (Bismarck, Lincoln, Wing) (pop. 69,416) | 77.4% |
| 56. | Wake County, NC (Raleigh, Cary, Apex) (pop. 627,846) | 77.3% |
| 57. | Orange County, NC (Chapel Hill, Carrboro, Hillsborough) (pop. 118,227) | 77.1% |
| 58. | Carroll County, MD (Eldersburg, Westminster, District 1, Taneytown) (pop. 150,897) | 77.1% |
| 59. | Anoka County, MN (Coon Rapids, Blaine, Fridley) (pop. 298,084) | 77.1% |
| 60. | Middlesex County, MA (Lowell, Cambridge, Newton) (pop. 1,465,396) | 77.0% |
| 61. | Douglas County, NE (Omaha, Ralston, Elkhorn) (pop. 463,585) | 76.9% |
| 62. | Sussex County, NJ (Hopatcong, Lake Mohawk, Newton) (pop. 144,166) | 76.9% |
| 63. | Queen Anne's County, MD (District 5, Queenstown, Stevensville, Chester) (pop. 40,563) | 76.8% |
| 64. | Lake County, IL (Waukegan, North Chicago, Highland Park) (pop. 644,356) | 76.7% |
| 65. | Jefferson County, CO (Northeast Jefferson, Lakewood, Arvada) (pop. 527,056) | 76.7% |
| 66. | Essex County, MA (Lynn, Lawrence, Haverhill) (pop. 723,419) | 76.6% |
| 67. | Summit County, UT (Park City, Summit Park, Snyderville) (pop. 29,736) | 76.6% |
| 68. | Bucks County, PA (Levittown, Morrisville, Croydon) (pop. 597,635) | 76.6% |
| 69. | Alameda County, CA (Oakland, Fremont, Hayward) (pop. 1,443,741) | 76.4% |
| 70. | New York County, NY (New York, Manhattan) (pop. 1,537,195) | 76.4% |
| 71. | Orange County, CA (North Coast, Santa Ana, Anaheim) (pop. 2,846,289) | 76.4% |
| 72. | Beaufort County, SC (Hilton Head Island, St. Helena, Beaufort) (pop. 120,937) | 76.4% |
| 73. | Scott County, IA (Davenport, Bettendorf, Eldridge) (pop. 158,668) | 76.3% |
| 74. | Santa Fe County, NM (Santa Fe, Eldorado at Santa Fe, La Cienega) (pop. 129,292) | 76.3% |
| 75. | Davis County, UT (North Davis, South Davis, Layton) (pop. 238,994) | 76.1% |
| 76. | Washington County, VT (Barre, Montpelier, Northfield) (pop. 58,039) | 76.0% |
| 77. | Suffolk County, NY (Brentwood, West Babylon, Commack) (pop. 1,419,369) | 75.9% |
| 78. | Washington County, OR (Beaverton, Hillsboro, Somerset West-Rock Creek) (pop. 445,342) | 75.9% |
| 79. | Harford County, MD (Bel Air South, Bel Air North, Edgewood) (pop. 218,590) | 75.8% |
| 80. | Calvert County, MD (Chesapeake Ranch Estates-Drum Point, Chesapeake Ranch Estates, Chesapeake Beach) (pop. 74,563) | 75.8% |
| 81. | Montgomery County, TN (Clarksville, St. Bethlehem, Woodlawn-Dotsonville) (pop. 134,768) | 75.8% |
| 82. | DeKalb County, GA (North Atlanta, Redan, Dunwoody) (pop. 665,865) | 75.7% |
| 83. | Sacramento County, CA (Sacramento, Mather, Arden-Arcade) (pop. 1,223,499) | 75.7% |
| 84. | Thurston County, WA (Olympia, Lacey, Tumwater) (pop. 207,355) | 75.6% |
| 85. | Palm Beach County, FL (Sunshine Parkway, West Palm Beach, Boca Raton) (pop. 1,131,184) | 75.6% |
| 86. | Union County, NJ (Elizabeth, Union, Plainfield) (pop. 522,541) | 75.5% |
| 87. | New Haven County, CT (New Haven, Waterbury, Meriden) (pop. 824,008) | 75.5% |
| 88. | Randall County, TX (North Randall, Canyon, Lake Tanglewood) (pop. 104,312) | 75.5% |
| 89. | Ada County, ID (Boise, Meridian, Orchard) (pop. 300,904) | 75.4% |
| 90. | Mercer County, NJ (Trenton, Ewing, Mercerville-Hamilton Square) (pop. 350,761) | 75.4% |
| 91. | Benton County, WA (Kennewick, Richland, Northwest Benton) (pop. 142,475) | 75.3% |
| 92. | Charles County, MD (St. Charles, Waldorf, District 8, Bryantown) (pop. 120,546) | 75.2% |
| 93. | Clackamas County, OR (Northwest Clackamas, Lake Oswego, Oregon City) (pop. 338,391) | 75.2% |
| 94. | Providence County, RI (Providence, Cranston, Pawtucket) (pop. 621,602) | 75.2% |
| 95. | Minnehaha County, SD (Sioux Falls, Brandon, Dell Rapids) (pop. 148,281) | 75.1% |
| 96. | Baltimore County, MD (Dundalk, Towson, Catonsville) (pop. 754,292) | 75.0% |
| 97. | Cobb County, GA (Northeast Cobb, Marietta, Smyrna) (pop. 607,751) | 75.0% |
| 98. | Grafton County, NH (Lebanon, Hanover, Littleton) (pop. 81,743) | 74.9% |
| 99. | Cheshire County, NH (Keene, Swanzey, Rindge) (pop. 73,825) | 74.9% |
| 100. | Arapahoe County, CO (South Aurora, Southwest Arapahoe, Centennial) (pop. 487,967) | 74.8% |
| 101. | Worcester County, MA (Worcester, Leominster, Fitchburg) (pop. 750,963) | 74.6% |