Ranking of Kentucky Counties By Percentage of Population with Unclassified Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.43M people in Kentucky with Unclassified ancestry (31.80% of Kentucky population). Among all Kentucky counties, Knox County had the highest percentage of its population with Unclassified ancestry (61.74%), followed by McCreary County (58.24%), and Bell County (54.60%).

The chart and table below shows the top 10 counties with high percentage of its population having Unclassified ancestry.

You can see similar information for other states and for other ancestry groups in Kentucky.

Data Source: US Census Bureau.
Ranking of Kentucky Counties By Percentage of Population with Unclassified Ancestry in 2021
Knox County
McCreary County
Bell County
Leslie County
Harlan County
Knott County
Perry County
Gallatin County
Estill County
Marion County
Ranking of Kentucky Counties By Percentage of Population with Unclassified Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Knox County 61.74
2 McCreary County 58.24
3 Bell County 54.60
4 Leslie County 53.02
5 Harlan County 51.95
6 Knott County 51.90
7 Perry County 51.12
8 Gallatin County 49.53
9 Estill County 48.75
10 Marion County 48.45
11 Powell County 48.44
12 Laurel County 47.56
13 Letcher County 47.51
14 Whitley County 46.98
15 Green County 46.89
16 Muhlenberg County 46.83
17 Taylor County 46.29
18 Metcalfe County 45.87
19 Logan County 45.38
20 Wolfe County 44.45
21 Adair County 43.84
22 Spencer County 43.70
23 Grayson County 41.87
24 Robertson County 41.80
25 Floyd County 41.36
26 Todd County 41.07
27 Carroll County 41.06
28 Barren County 40.86
29 Pike County 40.44
30 Russell County 40.17
31 Casey County 39.96
32 Simpson County 39.95
33 Clinton County 39.89
34 Pendleton County 39.88
35 Pulaski County 39.73
36 Washington County 39.45
37 Hart County 39.39
38 Rockcastle County 39.30
39 Daviess County 39.18
40 Christian County 39.16
41 Allen County 39.14
42 Larue County 38.82
43 Grant County 38.51
44 Clark County 38.46
45 Monroe County 37.89
46 Wayne County 37.78
47 Bullitt County 37.66
48 Nelson County 37.62
49 Owen County 37.27
50 Trigg County 37.26
51 Hancock County 37.17
52 Hopkins County 36.56
53 Johnson County 36.30
54 Cumberland County 36.24
55 Harrison County 36.12
56 Edmonson County 35.96
57 Henderson County 35.77
58 Lawrence County 35.05
59 Breckinridge County 35.03
59 Martin County 35.03
60 Madison County 34.83
61 Mercer County 34.73
62 Ohio County 34.01
63 Carlisle County 33.23
64 Butler County 33.12
65 Greenup County 33.09
66 Marshall County 32.87
67 Meade County 32.74
68 Bourbon County 32.17
69 Henry County 32.12
70 Jackson County 32.02
71 Magoffin County 31.98
72 Graves County 31.81
73 Webster County 31.52
74 Calloway County 31.51
75 Hardin County 31.50
76 Boyd County 31.39
77 Crittenden County 31.07
78 Caldwell County 30.69
79 Bracken County 30.24
80 McLean County 29.79
81 Warren County 29.42
82 Boyle County 29.33
83 Trimble County 29.21
84 Montgomery County 29.08
85 Nicholas County 29.07
86 Union County 29.04
87 Ballard County 28.99
88 Livingston County 28.90
89 Clay County 28.81
90 Anderson County 28.46
91 Rowan County 28.25
92 Lewis County 27.99
93 Carter County 27.95
94 Hickman County 26.78
95 Lyon County 26.66
96 Jessamine County 26.28
97 Boone County 26.25
98 Woodford County 26.15
99 Morgan County 26.12
100 Menifee County 25.96
101 Fleming County 25.83
102 Bath County 25.64
103 Lee County 25.61
104 Jefferson County 25.51
105 Garrard County 25.22
106 Oldham County 24.73
107 Scott County 24.50
107 Shelby County 24.50
108 McCracken County 24.46
109 Kenton County 23.80
110 Campbell County 22.99
111 Breathitt County 22.98
112 Elliott County 22.15
113 Fayette County 22.06
114 Lincoln County 22.00
115 Mason County 21.84
116 Fulton County 19.36
117 Franklin County 19.26
118 Owsley County 15.66