| 1. | Charlotte County, FL (Port Charlotte, Punta Gorda, Rotonda) (pop. 141,627) | 6.6 |
| 2. | Hampshire County, MA (Amherst, Northampton, South Hadley) (pop. 152,251) | 7.3 |
| 3. | Citrus County, FL (Homosassa Springs, Beverly Hills, Hernando) (pop. 118,085) | 7.7 |
| 4. | Hunterdon County, NJ (Flemington, Lambertville, High Bridge) (pop. 121,989) | 7.8 |
| 5. | Washington County, RI (South Kingstown, North Kingstown, Westerly) (pop. 123,546) | 7.8 |
| 6. | Sarasota County, FL (Sarasota, Interior County, Gulf Gate-Osprey) (pop. 325,957) | 7.8 |
| 7. | Barnstable County, MA (Barnstable Town, Yarmouth, Mashpee) (pop. 222,230) | 7.9 |
| 8. | Tolland County, CT (Vernon, Mansfield, Tolland) (pop. 136,364) | 8.0 |
| 9. | Martin County, FL (Palm City, Stuart, Hobe Sound) (pop. 126,731) | 8.2 |
| 10. | Litchfield County, CT (Torrington, Watertown, Plymouth) (pop. 182,193) | 8.3 |
| 11. | Centre County, PA (State College, Park Forest Village, Bellefonte) (pop. 135,758) | 8.4 |
| 12. | Berkshire County, MA (Pittsfield, North Adams, Dalton) (pop. 134,953) | 8.9 |
| 13. | Hernando County, FL (Spring Hill, Brooksville, Timber Pines) (pop. 130,802) | 8.9 |
| 14. | Westmoreland County, PA (Murrysville, Municipality of Murrysville, Greensburg) (pop. 369,993) | 8.9 |
| 15. | Rockingham County, NH (Salem, Derry, Portsmouth) (pop. 277,359) | 9.0 |
| 16. | Monroe County, PA (East Stroudsburg, Stroudsburg, Arlington Heights) (pop. 138,687) | 9.0 |
| 17. | Middlesex County, CT (Middletown, Cromwell, Old Saybrook) (pop. 155,071) | 9.2 |
| 18. | El Dorado County, CA (South El Dorado, North El Dorado, South Lake Tahoe) (pop. 156,299) | 9.3 |
| 19. | Ulster County, NY (Kingston, Wawarsing, Ulster) (pop. 177,749) | 9.3 |
| 20. | Yavapai County, AZ (Prescott, Verde, Mingus Mountain) (pop. 167,517) | 9.4 |
| 21. | Sussex County, NJ (Hopatcong, Lake Mohawk, Newton) (pop. 144,166) | 9.4 |
| 22. | Livingston County, MI (Howell, Brighton, Whitmore Lake) (pop. 156,951) | 9.4 |
| 23. | Indian River County, FL (Vero Beach South, Vero Beach, Sebastian) (pop. 112,947) | 9.4 |
| 24. | Portage County, OH (Kent, Aurora, Streetsboro) (pop. 152,061) | 9.4 |
| 25. | Monroe County, IN (Bloomington, Ellettsville, Smithville-Sanders) (pop. 120,563) | 9.5 |
| 26. | Pinellas County, FL (St. Petersburg, Clearwater, Boca Ciega) (pop. 921,482) | 9.5 |
| 27. | Dutchess County, NY (Poughkeepsie, Wappinger, East Fishkill) (pop. 280,150) | 9.6 |
| 28. | Cape May County, NJ (Ocean City, Villas, Wildwood) (pop. 102,326) | 9.6 |
| 29. | Brevard County, FL (Palm Bay, Melbourne, Titusville) (pop. 476,230) | 9.6 |
| 30. | Schuylkill County, PA (Pottsville, Tamaqua, Shenandoah) (pop. 150,336) | 9.7 |
| 31. | Merrimack County, NH (Concord, Franklin, Bow) (pop. 136,225) | 9.7 |
| 32. | Kent County, RI (Warwick, Coventry, West Warwick) (pop. 167,090) | 9.7 |
| 33. | York County, ME (Biddeford, Saco, York) (pop. 186,742) | 9.7 |
| 34. | St. Johns County, FL (Ponte Vedra, Palm Valley, Fruit Cove) (pop. 123,135) | 9.7 |
| 35. | Orange County, NC (Chapel Hill, Carrboro, Hillsborough) (pop. 118,227) | 9.7 |
| 36. | Ontario County, NY (Geneva, Canandaigua, Farmington) (pop. 100,224) | 9.8 |
| 37. | Washington County, PA (Washington, Canonsburg, Donora) (pop. 202,897) | 9.8 |
| 38. | Cambria County, PA (Johnstown, Westmont, Northern Cambria) (pop. 152,598) | 9.8 |
| 39. | Luzerne County, PA (Wilkes-Barre, Back Mountain, Hazleton) (pop. 319,250) | 9.9 |
| 40. | Penobscot County, ME (Bangor, Brewer, Orono) (pop. 144,919) | 9.9 |
| 41. | Kennebec County, ME (Augusta, Waterville, Winslow) (pop. 117,114) | 9.9 |
| 42. | Waukesha County, WI (Waukesha, Brookfield, New Berlin) (pop. 360,767) | 9.9 |
| 43. | Marin County, CA (Ross Valley, San Rafael, Northeast Marin) (pop. 247,289) | 9.9 |
| 44. | Volusia County, FL (Deltona, Daytona Beach, Port Orange) (pop. 443,343) | 9.9 |
| 45. | Butler County, PA (Butler, Fernway, Homeacre-Lyndora) (pop. 174,083) | 10.0 |
| 46. | Bucks County, PA (Levittown, Morrisville, Croydon) (pop. 597,635) | 10.0 |
| 47. | Morris County, NJ (Morristown, Dover, Madison) (pop. 470,212) | 10.0 |
| 48. | Cumberland County, ME (Portland, South Portland, Westbrook) (pop. 265,612) | 10.0 |
| 49. | Fayette County, PA (Uniontown, Connellsville, Masontown) (pop. 148,644) | 10.0 |
| 50. | Mercer County, PA (Sharon, Hermitage, Grove City) (pop. 120,293) | 10.0 |
| 51. | San Luis Obispo County, CA (San Luis Obispo, Paso Robles, Atascadero) (pop. 246,681) | 10.0 |
| 52. | Chittenden County, VT (Burlington, Essex, Colchester) (pop. 146,571) | 10.0 |
| 53. | Carroll County, MD (Eldersburg, Westminster, District 1, Taneytown) (pop. 150,897) | 10.1 |
| 54. | Beaver County, PA (Aliquippa, Beaver Falls, Economy) (pop. 181,412) | 10.2 |
| 55. | Douglas County, OR (Roseburg, Calapooia, Tenmile) (pop. 100,399) | 10.2 |
| 56. | Lane County, OR (Eugene, Springfield, Badger Mountain) (pop. 322,959) | 10.2 |
| 57. | Albany County, NY (Albany, Guilderland, Bethlehem) (pop. 294,565) | 10.2 |
| 58. | Niagara County, NY (Niagara Falls, North Tonawanda, Lockport) (pop. 219,846) | 10.2 |
| 59. | Warren County, NJ (Phillipsburg, Hackettstown, Washington) (pop. 102,437) | 10.2 |
| 60. | Mahoning County, OH (Youngstown, Boardman, Austintown) (pop. 257,555) | 10.3 |
| 61. | Northampton County, PA (Bethlehem, Easton, Northampton) (pop. 267,066) | 10.3 |
| 62. | Saratoga County, NY (Clifton Park, Saratoga Springs, Halfmoon) (pop. 200,635) | 10.3 |
| 63. | Windham County, CT (Windham, Killingly, Willimantic) (pop. 109,091) | 10.3 |
| 64. | Santa Fe County, NM (Santa Fe, Eldorado at Santa Fe, La Cienega) (pop. 129,292) | 10.3 |
| 65. | Sullivan County, TN (Kingsport, Bristol, Bluff City-Piney Flats) (pop. 153,048) | 10.3 |
| 66. | Lake County, OH (Mentor, Willoughby, Eastlake) (pop. 227,511) | 10.3 |
| 67. | New London County, CT (Norwich, New London, Waterford) (pop. 259,088) | 10.4 |
| 68. | St. Clair County, MI (Port Huron, Marysville, St. Clair) (pop. 164,235) | 10.4 |
| 69. | Pickens County, SC (Easley, Clemson, Central) (pop. 110,757) | 10.4 |
| 70. | St. Louis County, MN (Duluth, Hibbing, Virginia) (pop. 200,528) | 10.4 |
| 71. | Monmouth County, NJ (Long Branch, Asbury Park, Tinton Falls) (pop. 615,301) | 10.4 |
| 72. | Bergen County, NJ (Hackensack, Teaneck, Fort Lee) (pop. 884,118) | 10.4 |
| 73. | Broome County, NY (Union, Binghamton, Vestal) (pop. 200,536) | 10.4 |
| 74. | Lackawanna County, PA (Scranton, Dunmore, Carbondale) (pop. 213,295) | 10.5 |
| 75. | Washington County, WI (West Bend, Germantown, Hartford) (pop. 117,493) | 10.5 |
| 76. | Medina County, OH (Brunswick, Medina, Wadsworth) (pop. 151,095) | 10.5 |
| 77. | Clackamas County, OR (Northwest Clackamas, Lake Oswego, Oregon City) (pop. 338,391) | 10.5 |
| 78. | Marion County, FL (Ocala, East Marion, Fellowship) (pop. 258,916) | 10.5 |
| 79. | Eaton County, MI (Waverly, Charlotte, Grand Ledge) (pop. 103,655) | 10.5 |
| 80. | Boulder County, CO (Boulder, Longmont, Lafayette) (pop. 291,288) | 10.5 |
| 81. | Strafford County, NH (Rochester, Dover, Somersworth) (pop. 112,233) | 10.6 |
| 82. | Blount County, TN (Maryville, Lanier, Wildwood) (pop. 105,823) | 10.6 |
| 83. | Trumbull County, OH (Warren, Niles, Girard) (pop. 225,116) | 10.6 |
| 84. | Chautauqua County, NY (Jamestown, Pomfret, Dunkirk) (pop. 139,750) | 10.6 |
| 85. | Cumberland County, PA (Carlisle, Mechanicsburg, Camp Hill) (pop. 213,674) | 10.6 |
| 86. | Monroe County, MI (Monroe, Lambertville, Temperance) (pop. 145,945) | 10.6 |
| 87. | Erie County, NY (Buffalo, Amherst, Cheektowaga) (pop. 950,265) | 10.7 |
| 88. | Lee County, FL (Cape Coral, Fort Myers, North Fort Myers) (pop. 440,888) | 10.7 |
| 89. | Pasco County, FL (Central Pasco, Bayonet Point, Holiday) (pop. 344,765) | 10.7 |
| 90. | Collier County, FL (Naples, Golden Gate, Immokalee) (pop. 251,377) | 10.7 |
| 91. | Bay County, MI (Bay City, Essexville, Auburn) (pop. 110,157) | 10.7 |
| 92. | Seminole County, FL (Altamonte Springs, Sanford, Winter Springs) (pop. 365,196) | 10.7 |
| 93. | Wood County, OH (Bowling Green, Perrysburg, Rossford) (pop. 121,065) | 10.7 |
| 94. | Lake County, FL (Leesburg, Eustis, Lady Lake) (pop. 210,528) | 10.7 |
| 95. | Columbiana County, OH (East Liverpool, Salem, Columbiana) (pop. 112,075) | 10.7 |
| 96. | Burlington County, NJ (Moorestown-Lenola, Franklin Park, Browns Mills) (pop. 423,394) | 10.8 |
| 97. | Allegheny County, PA (Pittsburgh, Penn Hills, Bethel Park) (pop. 1,281,666) | 10.8 |
| 98. | Plymouth County, MA (Brockton, Wareham, Middleborough) (pop. 472,822) | 10.8 |
| 99. | Mohave County, AZ (Lake Havasu City, Bullhead City, Kingman) (pop. 155,032) | 10.8 |
| 100. | Nassau County, NY (North Hempstead, Hempstead, Levittown) (pop. 1,334,544) | 10.8 |
| 101. | Jefferson County, CO (Northeast Jefferson, Lakewood, Arvada) (pop. 527,056) | 10.9 |