Ranking of Kansas Counties By Population with Irish Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 329.84K people in Kansas with Irish ancestry. Among all Kansas counties, Johnson County had the highest population with Irish ancestry (86.12K), followed by Sedgwick County (51.25K), and Shawnee County (17.65K).

The chart and table below shows the top 10 counties with high number of people with Irish ancestry.

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

Data Source: US Census Bureau.
Ranking of Kansas Counties By Population with Irish Ancestry in 2021
Johnson County
Sedgwick County
Shawnee County
Douglas County
Wyandotte County
Leavenworth County
Riley County
Butler County
Reno County
Saline County
Ranking of Kansas Counties By Population with Irish Ancestry in 2021
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Rank County Population
1 Johnson County 86120
2 Sedgwick County 51248
3 Shawnee County 17652
4 Douglas County 15655
5 Wyandotte County 12609
6 Leavenworth County 10449
7 Riley County 8491
8 Butler County 6762
9 Reno County 6319
10 Saline County 5728
11 Crawford County 5649
12 Miami County 5116
13 Cowley County 4462
14 Montgomery County 4411
15 Franklin County 3584
16 Lyon County 3503
17 Pottawatomie County 3450
18 Geary County 3136
19 Sumner County 2977
20 Ellis County 2873
21 Harvey County 2607
22 Atchison County 2532
23 Cherokee County 2464
24 Jefferson County 2419
25 Labette County 2403
26 Finney County 2338
27 McPherson County 2260
28 Osage County 2242
29 Ford County 1920
30 Bourbon County 1891
31 Dickinson County 1803
32 Barton County 1779
33 Linn County 1721
34 Neosho County 1627
35 Jackson County 1581
36 Allen County 1572
37 Cloud County 1265
38 Marion County 1189
39 Marshall County 1188
40 Rice County 1174
41 Pratt County 1042
42 Nemaha County 1037
43 Seward County 1029
44 Coffey County 984
45 Greenwood County 971
46 Clay County 940
47 Wilson County 938
48 Thomas County 911
49 Anderson County 889
50 Wabaunsee County 864
51 Norton County 847
52 Sherman County 760
53 Pawnee County 752
54 Brown County 750
55 Rooks County 735
56 Doniphan County 726
57 Ellsworth County 688
58 Ottawa County 679
59 Kingman County 663
60 Scott County 662
61 Mitchell County 628
62 Gray County 625
63 Republic County 619
64 Morris County 583
65 Harper County 577
66 Washington County 574
67 Russell County 554
68 Phillips County 523
69 Grant County 501
70 Meade County 484
71 Chautauqua County 481
72 Smith County 462
73 Stevens County 423
74 Osborne County 400
75 Decatur County 389
76 Lincoln County 375
77 Stafford County 365
78 Rush County 324
79 Jewell County 309
80 Wichita County 294
81 Clark County 290
82 Cheyenne County 285
83 Woodson County 276
84 Barber County 275
85 Comanche County 273
86 Sheridan County 272
87 Trego County 269
88 Elk County 252
89 Morton County 243
90 Chase County 236
90 Gove County 236
91 Logan County 233
92 Hodgeman County 230
93 Graham County 223
94 Ness County 214
95 Kiowa County 210
96 Kearny County 203
97 Edwards County 199
98 Haskell County 187
99 Wallace County 178
100 Rawlins County 162
101 Lane County 146
102 Greeley County 133
103 Hamilton County 72
104 Stanton County 15