Ranking of Kentucky Counties By Percentage of Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)
Updated on September 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of Kentucky (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 32.77%. Among all Kentucky counties, Gallatin County had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (49.59%), followed by Carlisle County (47.67%), and Webster County (47.37%).
The chart below shows the top 10 Kentucky counties, and the table below shows the ranking of all Kentucky counties.
You can see similar information for other educational attainments.
You can also see similar information for other states and for the United States.
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Related Topics: Kentucky ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Kentucky Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Gallatin County | 49.59 |
| 2 | Carlisle County | 47.67 |
| 3 | Webster County | 47.37 |
| 4 | Bracken County | 46.95 |
| 5 | Union County | 46.39 |
| 6 | Elliott County | 46.26 |
| 7 | Nicholas County | 46.25 |
| 8 | Butler County | 45.91 |
| 9 | Leslie County | 45.84 |
| 10 | Edmonson County | 45.82 |
| 11 | Cumberland County | 45.76 |
| 12 | Trimble County | 45.65 |
| 13 | Grayson County | 45.53 |
| 14 | Grant County | 45.28 |
| 15 | Lyon County | 44.85 |
| 16 | Simpson County | 44.53 |
| 17 | Breckinridge County | 44.34 |
| 18 | Marion County | 44.17 |
| 19 | Jackson County | 44.09 |
| 20 | Crittenden County | 43.99 |
| 21 | Lincoln County | 43.96 |
| 22 | Bath County | 43.95 |
| 23 | Lewis County | 43.81 |
| 24 | Logan County | 43.74 |
| 25 | Rockcastle County | 43.53 |
| 26 | Powell County | 43.34 |
| 27 | Menifee County | 43.18 |
| 28 | Barren County | 43.08 |
| 29 | Metcalfe County | 43.05 |
| 30 | Pendleton County | 42.99 |
| 31 | Estill County | 42.90 |
| 32 | Hart County | 42.87 |
| 33 | Muhlenberg County | 42.77 |
| 34 | Hancock County | 42.70 |
| 35 | Lawrence County | 42.58 |
| 36 | Carroll County | 42.25 |
| 37 | Bell County | 42.08 |
| 38 | Henry County | 41.78 |
| 39 | Livingston County | 41.70 |
| 40 | Allen County | 41.62 |
| 41 | McCreary County | 41.51 |
| 42 | Montgomery County | 41.48 |
| 43 | Washington County | 41.46 |
| 44 | Owen County | 41.41 |
| 44 | Owsley County | 41.41 |
| 45 | Monroe County | 41.29 |
| 46 | Caldwell County | 40.92 |
| 47 | Lee County | 40.89 |
| 48 | Green County | 40.84 |
| 49 | Bullitt County | 40.82 |
| 50 | Graves County | 40.69 |
| 51 | Harrison County | 40.48 |
| 52 | Casey County | 40.46 |
| 53 | Fleming County | 40.35 |
| 54 | Robertson County | 40.25 |
| 55 | Carter County | 39.95 |
| 56 | Hopkins County | 39.93 |
| 57 | Morgan County | 39.80 |
| 58 | Todd County | 39.71 |
| 59 | Meade County | 39.66 |
| 60 | Johnson County | 39.58 |
| 61 | Laurel County | 39.54 |
| 62 | Pike County | 39.45 |
| 63 | Adair County | 39.39 |
| 64 | Ohio County | 39.35 |
| 65 | Ballard County | 39.24 |
| 66 | Whitley County | 39.18 |
| 67 | Fulton County | 39.05 |
| 68 | Hickman County | 39.01 |
| 69 | Floyd County | 38.97 |
| 69 | Knox County | 38.97 |
| 70 | Wayne County | 38.92 |
| 71 | McLean County | 38.91 |
| 72 | Clinton County | 38.42 |
| 73 | Breathitt County | 38.39 |
| 74 | Spencer County | 38.30 |
| 75 | Garrard County | 38.15 |
| 76 | Henderson County | 38.02 |
| 77 | Clay County | 37.83 |
| 78 | Magoffin County | 37.71 |
| 79 | Russell County | 37.51 |
| 80 | Taylor County | 36.62 |
| 81 | Greenup County | 36.53 |
| 82 | Nelson County | 36.44 |
| 83 | Clark County | 36.42 |
| 84 | Harlan County | 35.78 |
| 85 | Martin County | 35.64 |
| 86 | Marshall County | 35.60 |
| 87 | Letcher County | 35.57 |
| 88 | Boyle County | 35.24 |
| 89 | Mercer County | 34.84 |
| 90 | Rowan County | 34.49 |
| 91 | Bourbon County | 34.35 |
| 92 | Pulaski County | 34.31 |
| 93 | Anderson County | 34.22 |
| 94 | Daviess County | 33.80 |
| 95 | Larue County | 33.77 |
| 96 | Wolfe County | 33.45 |
| 97 | Boyd County | 32.69 |
| 98 | Perry County | 32.63 |
| 99 | Trigg County | 32.55 |
| 100 | McCracken County | 32.21 |
| 101 | Jessamine County | 31.76 |
| 102 | Christian County | 31.62 |
| 103 | Calloway County | 31.37 |
| 104 | Mason County | 30.93 |
| 105 | Hardin County | 30.60 |
| 106 | Franklin County | 30.26 |
| 107 | Scott County | 30.24 |
| 108 | Knott County | 29.53 |
| 109 | Shelby County | 28.76 |
| 110 | Boone County | 28.59 |
| 111 | Kenton County | 27.43 |
| 112 | Madison County | 27.13 |
| 113 | Warren County | 27.06 |
| 114 | Woodford County | 26.66 |
| 115 | Campbell County | 26.65 |
| 116 | Jefferson County | 26.33 |
| 117 | Oldham County | 19.79 |
| 118 | Fayette County | 18.87 |
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