| Rank |
County |
Percentage with High School Diploma |
| 1 |
Boone County, Kentucky
|
91.0%
|
| 2 |
Oldham County, Kentucky
|
90.8%
|
| 3 |
Fayette County, Kentucky
|
88.5%
|
| 4 |
Woodford County, Kentucky
|
88.0%
|
| 5 |
Jefferson County, Kentucky
|
87.6%
|
| 6 |
Daviess County, Kentucky
|
87.4%
|
| 7 |
Hardin County, Kentucky
|
87.4%
|
| 8 |
Campbell County, Kentucky
|
87.1%
|
| 9 |
Kenton County, Kentucky
|
87.0%
|
| 10 |
Scott County, Kentucky
|
86.8%
|
| 11 |
Anderson County, Kentucky
|
86.6%
|
| 12 |
McCracken County, Kentucky
|
86.5%
|
| 13 |
Spencer County, Kentucky
|
86.2%
|
| 14 |
Calloway County, Kentucky
|
86.1%
|
| 15 |
Meade County, Kentucky
|
85.6%
|
| 16 |
Franklin County, Kentucky
|
85.5%
|
| 17 |
Boyle County, Kentucky
|
84.9%
|
| 18 |
Warren County, Kentucky
|
84.9%
|
| 19 |
Boyd County, Kentucky
|
84.9%
|
| 20 |
Hancock County, Kentucky
|
84.7%
|
| 21 |
Henderson County, Kentucky
|
84.7%
|
| 22 |
Jessamine County, Kentucky
|
84.7%
|
| 23 |
Marshall County, Kentucky
|
84.6%
|
| 24 |
Madison County, Kentucky
|
84.2%
|
| 25 |
Bullitt County, Kentucky
|
84.2%
|
| 26 |
Lyon County, Kentucky
|
84.2%
|
| 27 |
Christian County, Kentucky
|
83.7%
|
| 28 |
Nelson County, Kentucky
|
83.4%
|
| 29 |
Shelby County, Kentucky
|
83.3%
|
| 30 |
Mercer County, Kentucky
|
83.2%
|
| 31 |
Caldwell County, Kentucky
|
83.0%
|
| 32 |
Owen County, Kentucky
|
82.8%
|
| 33 |
Simpson County, Kentucky
|
82.6%
|
| 34 |
Marion County, Kentucky
|
82.5%
|
| 35 |
Trimble County, Kentucky
|
82.5%
|
| 36 |
Bourbon County, Kentucky
|
82.5%
|
| 37 |
Carlisle County, Kentucky
|
82.3%
|
| 38 |
Union County, Kentucky
|
82.2%
|
| 39 |
Ballard County, Kentucky
|
82.0%
|
| 40 |
Grant County, Kentucky
|
81.6%
|
| 41 |
Clark County, Kentucky
|
81.1%
|
| 42 |
Trigg County, Kentucky
|
81.0%
|
| 43 |
Graves County, Kentucky
|
80.8%
|
| 44 |
Harrison County, Kentucky
|
80.2%
|
| 45 |
Pendleton County, Kentucky
|
80.1%
|
| 46 |
Hopkins County, Kentucky
|
79.9%
|
| 47 |
Greenup County, Kentucky
|
79.8%
|
| 48 |
Henry County, Kentucky
|
79.8%
|
| 49 |
Washington County, Kentucky
|
79.8%
|
| 50 |
Garrard County, Kentucky
|
79.5%
|
| 51 |
Livingston County, Kentucky
|
79.0%
|
| 52 |
Mason County, Kentucky
|
78.5%
|
| 53 |
McLean County, Kentucky
|
78.5%
|
| 54 |
Fulton County, Kentucky
|
78.1%
|
| 55 |
Larue County, Kentucky
|
78.1%
|
| 56 |
Barren County, Kentucky
|
77.8%
|
| 57 |
Edmonson County, Kentucky
|
77.8%
|
| 58 |
Hickman County, Kentucky
|
77.7%
|
| 59 |
Pulaski County, Kentucky
|
77.4%
|
| 60 |
Muhlenberg County, Kentucky
|
76.9%
|
| 61 |
Crittenden County, Kentucky
|
76.9%
|
| 62 |
Breckinridge County, Kentucky
|
76.7%
|
| 63 |
Montgomery County, Kentucky
|
76.7%
|
| 64 |
Rowan County, Kentucky
|
76.7%
|
| 65 |
Ohio County, Kentucky
|
76.7%
|
| 66 |
Green County, Kentucky
|
76.1%
|
| 67 |
Logan County, Kentucky
|
75.9%
|
| 68 |
Fleming County, Kentucky
|
75.8%
|
| 69 |
Carroll County, Kentucky
|
75.5%
|
| 70 |
Webster County, Kentucky
|
75.4%
|
| 71 |
Bracken County, Kentucky
|
75.3%
|
| 72 |
Taylor County, Kentucky
|
75.0%
|
| 73 |
Todd County, Kentucky
|
74.9%
|
| 74 |
Nicholas County, Kentucky
|
74.8%
|
| 75 |
Allen County, Kentucky
|
74.0%
|
| 76 |
Carter County, Kentucky
|
73.9%
|
| 77 |
Laurel County, Kentucky
|
73.9%
|
| 78 |
Lincoln County, Kentucky
|
73.4%
|
| 79 |
Russell County, Kentucky
|
72.9%
|
| 80 |
Bath County, Kentucky
|
72.5%
|
| 81 |
Gallatin County, Kentucky
|
72.5%
|
| 82 |
Cumberland County, Kentucky
|
72.4%
|
| 83 |
Grayson County, Kentucky
|
72.3%
|
| 84 |
Powell County, Kentucky
|
71.8%
|
| 85 |
Monroe County, Kentucky
|
71.8%
|
| 86 |
Butler County, Kentucky
|
71.7%
|
| 87 |
Elliott County, Kentucky
|
71.7%
|
| 88 |
Robertson County, Kentucky
|
71.5%
|
| 89 |
Whitley County, Kentucky
|
71.3%
|
| 90 |
Adair County, Kentucky
|
71.2%
|
| 91 |
Lawrence County, Kentucky
|
71.0%
|
| 92 |
Pike County, Kentucky
|
70.5%
|
| 93 |
Estill County, Kentucky
|
70.5%
|
| 94 |
Letcher County, Kentucky
|
70.1%
|
| 95 |
Perry County, Kentucky
|
69.9%
|
| 96 |
Johnson County, Kentucky
|
69.9%
|
| 97 |
Morgan County, Kentucky
|
69.8%
|
| 98 |
McCreary County, Kentucky
|
69.8%
|
| 99 |
Harlan County, Kentucky
|
69.1%
|
| 100 |
Metcalfe County, Kentucky
|
69.1%
|
| 101 |
Rockcastle County, Kentucky
|
69.1%
|
| 102 |
Floyd County, Kentucky
|
68.8%
|
| 103 |
Wayne County, Kentucky
|
68.6%
|
| 104 |
Hart County, Kentucky
|
68.6%
|
| 105 |
Menifee County, Kentucky
|
68.5%
|
| 106 |
Lee County, Kentucky
|
68.5%
|
| 107 |
Knott County, Kentucky
|
67.8%
|
| 108 |
Martin County, Kentucky
|
67.1%
|
| 109 |
Lewis County, Kentucky
|
65.9%
|
| 110 |
Casey County, Kentucky
|
65.4%
|
| 111 |
Bell County, Kentucky
|
65.1%
|
| 112 |
Knox County, Kentucky
|
64.9%
|
| 113 |
Breathitt County, Kentucky
|
64.8%
|
| 114 |
Magoffin County, Kentucky
|
64.7%
|
| 115 |
Clinton County, Kentucky
|
63.3%
|
| 116 |
Jackson County, Kentucky
|
63.1%
|
| 117 |
Clay County, Kentucky
|
59.7%
|
| 118 |
Leslie County, Kentucky
|
58.7%
|
| 119 |
Wolfe County, Kentucky
|
58.5%
|
| 120 |
Owsley County, Kentucky
|
56.1%
|