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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 501.58K people in Kentucky with Irish ancestry (11.16% of Kentucky population). Among all Kentucky counties, Kenton County had the highest percentage of its population with Irish ancestry (17.62%), followed by Breckinridge County (17.52%), and Meade County (15.93%).

The chart and table below shows the top 10 counties with high percentage of its population having Irish 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 Irish Ancestry in 2021
Kenton County
Breckinridge County
Meade County
Campbell County
Crittenden County
Boone County
Bullitt County
Franklin County
Hancock County
Oldham County
Ranking of Kentucky Counties By Percentage of Population with Irish Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Kenton County 17.62
2 Breckinridge County 17.52
3 Meade County 15.93
4 Campbell County 15.88
5 Crittenden County 15.82
6 Boone County 15.40
7 Bullitt County 14.77
8 Franklin County 13.90
9 Hancock County 13.85
10 Oldham County 13.62
11 Henry County 13.54
12 Owen County 13.50
13 Ballard County 13.44
14 Fleming County 13.39
15 Grant County 13.30
16 Martin County 13.11
17 Shelby County 13.10
18 Bath County 12.95
19 Elliott County 12.73
20 Anderson County 12.56
21 Marshall County 12.51
22 Johnson County 12.26
23 Jefferson County 12.18
23 Woodford County 12.18
24 Washington County 12.05
25 Rowan County 11.99
25 Trimble County 11.99
26 Jessamine County 11.96
27 Clark County 11.93
28 Scott County 11.91
29 Bracken County 11.83
30 Gallatin County 11.81
31 Mason County 11.73
32 Leslie County 11.67
32 Pulaski County 11.67
33 Boyle County 11.58
34 Larue County 11.55
35 Nelson County 11.49
36 Knott County 11.42
37 Powell County 11.30
38 Letcher County 11.06
39 Hardin County 11.05
40 Daviess County 11.01
41 Fayette County 11.00
42 Bourbon County 10.82
43 Hickman County 10.78
44 Marion County 10.72
45 Boyd County 10.66
46 Trigg County 10.64
47 Whitley County 10.50
48 Lyon County 10.43
49 Carroll County 10.40
50 Lee County 10.27
51 Madison County 10.17
52 Butler County 10.09
53 Perry County 10.07
53 Taylor County 10.07
54 Harrison County 10.04
54 Pendleton County 10.04
55 Nicholas County 9.98
55 Simpson County 9.98
56 Warren County 9.92
57 Lewis County 9.82
58 Magoffin County 9.81
59 Pike County 9.77
60 Wayne County 9.69
61 Allen County 9.65
62 Laurel County 9.54
63 Henderson County 9.51
64 Grayson County 9.41
65 Ohio County 9.35
66 Harlan County 9.21
67 Estill County 9.15
68 Logan County 9.06
69 Fulton County 8.98
70 Greenup County 8.96
71 Morgan County 8.87
72 Union County 8.79
73 Spencer County 8.76
74 Hopkins County 8.74
75 Webster County 8.71
76 Calloway County 8.70
77 Casey County 8.59
78 Bell County 8.56
79 Mercer County 8.45
80 McCracken County 8.42
81 Floyd County 8.24
81 Lincoln County 8.24
81 Montgomery County 8.24
82 Russell County 8.18
83 Knox County 8.08
84 Metcalfe County 8.07
85 Graves County 8.04
86 Caldwell County 8.01
87 Menifee County 7.97
88 Hart County 7.91
89 Wolfe County 7.88
90 Adair County 7.79
90 Rockcastle County 7.79
91 Lawrence County 7.77
92 Muhlenberg County 7.64
93 Cumberland County 7.59
94 Garrard County 7.39
95 McCreary County 7.25
96 Carter County 7.21
97 McLean County 7.12
98 Robertson County 6.69
99 Clinton County 6.64
100 Carlisle County 6.58
101 Barren County 6.42
102 Green County 6.30
103 Monroe County 6.21
104 Edmonson County 5.89
105 Christian County 5.88
106 Todd County 5.56
107 Livingston County 5.25
108 Breathitt County 4.93
109 Jackson County 4.60
110 Clay County 4.31
111 Owsley County 3.13