Ranking of Missouri Counties By White Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the Missouri White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 286,119. Among all Missouri counties, Jackson County had the highest White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (22,738), followed by St. Louis County (19,777), and Jefferson County (13,750).

The chart below shows the top 10 Missouri counties, and the table below shows the ranking of all Missouri counties.

You can see similar information for other educational attainments, and for other races and ethnicities.

You can also see similar information for other states and for the United States.

Ranking of Missouri Counties By White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Jackson County
St. Louis County
Jefferson County
Greene County
St. Charles County
Jasper County
Clay County
Franklin County
St. Louis city
St. Francois County
Ranking of Missouri Counties By White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank County Number of People
1 Jackson County 22738
2 St. Louis County 19777
3 Jefferson County 13750
4 Greene County 11832
5 St. Charles County 10778
6 Jasper County 8537
7 Clay County 8056
8 Franklin County 6817
9 St. Louis city 6359
10 St. Francois County 5954
11 Buchanan County 4482
12 Butler County 4092
13 Boone County 4059
14 Christian County 4034
15 Cass County 4020
16 Cape Girardeau County 3726
17 Stoddard County 3611
18 Howell County 3566
19 Taney County 3557
20 Newton County 3517
21 Lincoln County 3317
22 Lawrence County 3314
23 Scott County 3180
24 Dunklin County 3125
25 Barry County 3104
26 Cole County 3050
27 Washington County 3013
28 Callaway County 2993
29 Laclede County 2963
30 Webster County 2957
31 Morgan County 2954
32 Crawford County 2902
33 Pettis County 2782
34 McDonald County 2673
35 Camden County 2666
36 Warren County 2513
37 Texas County 2443
38 Phelps County 2332
39 Stone County 2257
40 Lafayette County 2015
41 Wright County 1999
42 Polk County 1981
43 Audrain County 1922
44 Johnson County 1882
45 Benton County 1879
46 Marion County 1822
47 New Madrid County 1803
48 Perry County 1726
49 Miller County 1716
50 Henry County 1676
51 Platte County 1675
52 Randolph County 1586
53 Dent County 1537
54 Dallas County 1518
55 Ray County 1487
56 Pemiscot County 1480
57 Wayne County 1473
58 Pulaski County 1434
59 Saline County 1414
60 Pike County 1390
61 Vernon County 1375
62 Douglas County 1350
63 Ripley County 1320
64 Moniteau County 1313
65 Cedar County 1245
66 Mississippi County 1238
67 Gasconade County 1215
68 Bates County 1172
69 Iron County 1136
70 Ozark County 1107
71 Ste. Genevieve County 1082
72 Bollinger County 1074
73 Adair County 1069
74 Livingston County 1057
75 Madison County 1044
76 Montgomery County 1042
77 Cooper County 1033
78 Grundy County 1018
79 Oregon County 947
80 Macon County 932
81 Reynolds County 905
82 Barton County 889
83 Clinton County 886
84 Lewis County 874
85 Maries County 836
86 St. Clair County 788
87 Andrew County 765
88 Linn County 758
89 Osage County 711
90 Shannon County 707
91 Ralls County 697
92 Daviess County 694
93 Hickory County 687
94 Howard County 652
95 Nodaway County 638
96 Caldwell County 621
97 Scotland County 614
98 Clark County 609
99 Gentry County 577
100 DeKalb County 554
101 Dade County 551
102 Carroll County 545
103 Sullivan County 537
104 Harrison County 477
105 Monroe County 474
106 Shelby County 469
107 Carter County 466
108 Chariton County 421
109 Atchison County 349
110 Knox County 324
111 Mercer County 305
112 Schuyler County 273
113 Putnam County 191
114 Holt County 170
115 Worth County 121