Ranking of Oklahoma Counties By Percentage of Population with Scotch Irish Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 39.01K people in Oklahoma with Scotch Irish ancestry (0.99% of Oklahoma population). Among all Oklahoma counties, Ellis County had the highest percentage of its population with Scotch Irish ancestry (2.54%), followed by Woods County (2.22%), and Kingfisher County (2.15%).

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

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

Data Source: US Census Bureau.
Ranking of Oklahoma Counties By Percentage of Population with Scotch Irish Ancestry in 2021
Ellis County
Woods County
Kingfisher County
Alfalfa County
Washita County
Woodward County
Pawnee County
Dewey County
Garvin County
Washington County
Ranking of Oklahoma Counties By Percentage of Population with Scotch Irish Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Ellis County 2.54
2 Woods County 2.22
3 Kingfisher County 2.15
4 Alfalfa County 2.02
5 Washita County 1.89
5 Woodward County 1.89
6 Pawnee County 1.68
7 Dewey County 1.65
8 Garvin County 1.59
9 Washington County 1.54
10 Cleveland County 1.47
11 Delaware County 1.34
12 Mayes County 1.30
13 Roger Mills County 1.29
14 Kiowa County 1.24
15 Canadian County 1.22
16 Greer County 1.17
17 Coal County 1.15
17 Payne County 1.15
18 Harmon County 1.14
18 Tulsa County 1.14
19 Wagoner County 1.12
20 McClain County 1.11
21 Caddo County 1.09
22 Blaine County 1.08
23 Texas County 1.02
24 Custer County 0.98
25 Pontotoc County 0.97
26 Logan County 0.96
27 Carter County 0.94
27 Pushmataha County 0.94
28 Jefferson County 0.93
28 Rogers County 0.93
29 Hughes County 0.90
29 McIntosh County 0.90
29 Noble County 0.90
29 Pottawatomie County 0.90
30 Le Flore County 0.89
30 Osage County 0.89
31 Bryan County 0.85
32 Adair County 0.83
32 Atoka County 0.83
32 Choctaw County 0.83
32 Garfield County 0.83
32 Harper County 0.83
33 Oklahoma County 0.81
34 Comanche County 0.80
34 Stephens County 0.80
35 Beckham County 0.79
35 Kay County 0.79
35 Lincoln County 0.79
35 Nowata County 0.79
36 Creek County 0.77
37 Pittsburg County 0.76
37 Sequoyah County 0.76
38 Major County 0.74
39 Okmulgee County 0.72
40 Haskell County 0.71
41 Grady County 0.70
42 Murray County 0.69
43 Cherokee County 0.66
44 Ottawa County 0.65
45 Muskogee County 0.63
46 McCurtain County 0.60
47 Love County 0.58
48 Grant County 0.48
49 Seminole County 0.44
50 Beaver County 0.43
51 Latimer County 0.42
52 Craig County 0.40
53 Tillman County 0.38
54 Johnston County 0.35
55 Cimarron County 0.31
56 Jackson County 0.29
56 Marshall County 0.29
57 Cotton County 0.20
58 Okfuskee County 0.17