Ranking of Missouri Counties By Non-Hispanic 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 Non-Hispanic White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 272,497. Among all Missouri counties, Jackson County had the highest Non-Hispanic White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (19,302), followed by St. Louis County (19,101), and Jefferson County (13,458).

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 Non-Hispanic 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
Clay County
Jasper County
Franklin County
St. Francois County
St. Louis city
Ranking of Missouri Counties By Non-Hispanic 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 19302
2 St. Louis County 19101
3 Jefferson County 13458
4 Greene County 11297
5 St. Charles County 10458
6 Clay County 7293
7 Jasper County 7195
8 Franklin County 6741
9 St. Francois County 5859
10 St. Louis city 5671
11 Buchanan County 4253
12 Butler County 4020
13 Boone County 3912
14 Cass County 3861
15 Christian County 3703
16 Stoddard County 3610
17 Cape Girardeau County 3606
18 Howell County 3488
19 Taney County 3461
20 Lincoln County 3295
21 Newton County 3147
22 Lawrence County 3142
23 Scott County 3092
24 Washington County 2993
25 Callaway County 2964
26 Laclede County 2963
27 Morgan County 2952
28 Webster County 2925
29 Crawford County 2899
30 Barry County 2875
31 Dunklin County 2814
32 Cole County 2705
33 Camden County 2658
34 Warren County 2513
35 Pettis County 2420
36 Texas County 2401
37 Phelps County 2305
38 McDonald County 2295
39 Stone County 2189
40 Lafayette County 1981
41 Wright County 1979
42 Polk County 1955
43 Benton County 1879
44 Audrain County 1846
45 Marion County 1822
46 Johnson County 1779
47 New Madrid County 1776
48 Perry County 1726
49 Henry County 1657
50 Miller County 1591
51 Randolph County 1576
52 Platte County 1524
53 Dallas County 1518
54 Dent County 1503
55 Ray County 1479
56 Wayne County 1473
57 Pemiscot County 1465
58 Pike County 1390
59 Vernon County 1371
60 Douglas County 1350
60 Saline County 1350
61 Pulaski County 1346
62 Ripley County 1320
63 Moniteau County 1251
64 Cedar County 1216
65 Gasconade County 1215
66 Mississippi County 1165
67 Bates County 1139
68 Iron County 1127
69 Ozark County 1098
70 Bollinger County 1074
71 Adair County 1052
72 Montgomery County 1042
73 Livingston County 1026
74 Cooper County 1019
75 Grundy County 1018
76 Ste. Genevieve County 1013
77 Madison County 991
78 Oregon County 944
79 Macon County 932
80 Reynolds County 905
81 Lewis County 874
82 Barton County 870
83 Clinton County 863
84 Maries County 806
85 St. Clair County 788
86 Andrew County 765
87 Linn County 758
88 Osage County 710
89 Shannon County 707
90 Ralls County 697
91 Daviess County 689
92 Hickory County 680
93 Howard County 652
94 Caldwell County 621
95 Nodaway County 620
96 Scotland County 614
97 Clark County 609
98 Gentry County 577
99 Dade County 546
100 Carroll County 545
101 DeKalb County 540
102 Shelby County 469
103 Carter County 466
104 Monroe County 451
105 Chariton County 420
106 Harrison County 413
107 Atchison County 349
108 Knox County 324
109 Sullivan County 320
110 Mercer County 305
111 Schuyler County 273
112 Holt County 169
113 Putnam County 167
114 Worth County 121