Ranking of Missouri Counties By Population with Welsh Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 37.14K people in Missouri with Welsh ancestry. Among all Missouri counties, St. Louis County had the highest population with Welsh ancestry (5.56K), followed by Jackson County (4.81K), and Greene County (2.54K).

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

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

Data Source: US Census Bureau.
Ranking of Missouri Counties By Population with Welsh Ancestry in 2021
St. Louis County
Jackson County
Greene County
Clay County
St. Charles County
Boone County
Jasper County
St. Louis city
Jefferson County
Platte County
Ranking of Missouri Counties By Population with Welsh Ancestry in 2021
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Rank County Population
1 St. Louis County 5556
2 Jackson County 4812
3 Greene County 2540
4 Clay County 2252
5 St. Charles County 1828
6 Boone County 1660
7 Jasper County 1338
8 St. Louis city 1185
9 Jefferson County 1032
10 Platte County 866
11 Cass County 782
12 Cole County 752
13 Cape Girardeau County 577
14 Franklin County 562
15 Callaway County 536
16 Christian County 535
17 Warren County 488
18 Taney County 412
19 Pettis County 404
20 Buchanan County 395
21 Vernon County 371
22 Lincoln County 364
23 Howell County 352
24 Camden County 267
25 Lafayette County 261
26 Johnson County 231
27 Newton County 229
28 Scott County 218
29 Phelps County 204
30 Crawford County 203
31 St. Francois County 198
32 Laclede County 197
33 Dent County 193
34 Clinton County 173
35 Barry County 167
36 Stoddard County 166
37 Ray County 162
38 Marion County 156
39 Stone County 154
40 Henry County 143
41 Texas County 132
42 Randolph County 130
43 Saline County 124
44 Adair County 123
44 Polk County 123
45 Benton County 120
45 Butler County 120
46 Webster County 119
47 Dade County 118
48 Dunklin County 117
49 Livingston County 115
50 Moniteau County 109
51 Lawrence County 105
52 Andrew County 96
53 Washington County 93
54 Dallas County 92
55 Linn County 90
56 Audrain County 88
56 Macon County 88
57 Barton County 85
58 Montgomery County 81
58 Wright County 81
59 DeKalb County 80
60 Cooper County 77
61 Pike County 76
62 Gasconade County 71
62 Pulaski County 71
63 Bates County 69
63 Caldwell County 69
64 Cedar County 68
65 Miller County 62
66 Lewis County 59
66 Nodaway County 59
67 Wayne County 58
68 St. Clair County 54
69 Douglas County 53
70 Grundy County 51
70 Harrison County 51
71 McDonald County 49
72 New Madrid County 46
73 Ripley County 42
74 Reynolds County 37
75 Daviess County 36
76 Monroe County 34
76 Putnam County 34
77 Carroll County 32
77 Hickory County 32
77 Iron County 32
78 Perry County 31
79 Pemiscot County 30
80 Madison County 28
80 Oregon County 28
81 Morgan County 27
82 Atchison County 26
82 Howard County 26
83 Ralls County 25
84 Scotland County 23
85 Gentry County 22
85 Shannon County 22
86 Shelby County 20
87 Bollinger County 19
87 Worth County 19
88 Carter County 16
88 Chariton County 16
89 Clark County 14
89 Ozark County 14
90 Schuyler County 13
91 Sullivan County 10
92 Maries County 8
93 Mississippi County 7
93 Osage County 7
94 Holt County 6
94 Knox County 6
95 Mercer County 4
96 Ste. Genevieve County 2