Population of Missouri 2021

Population

According to the 2010 census, the population was 5,988,927. The biggest cities are St. Louis and Kansas City.

6.2% of the population is younger than 5 years, 23.1% are under 18 years, 15.0% are 65 years or older. The female share of the population is 51.0%. (Stand 2013)

3.9% of Missouri residents were born overseas. 87.2% of those over 25 years of age have a high school diploma, 25.8% of this age group have a university degree (Bachelor).

83.7% (5,058,971) are white, 11.7% (700,704) are black, 3.9% (233,568) are Hispanics, 1.8% (107,800) are Asian, 0.5% (29,944) are Native Americans or of Alaskan descent, 0.1% (5988) are Hawaiians or Polynesians and 2.0% (119,778) are of heterogeneous descent (mixed race).

6.1% of Missouri residents speak a language other than English at home.

Ancestry

The five largest ancestry groups in Missouri are: German (27.4 percent), Irish (14.8 percent), English (10.2 percent), American (8.5 percent), and French (3.7 percent).

Religion

The religious communities with the largest number of members in 2000 were the Catholic Church with 856,964, the Southern Baptist Convention with 797,732 and the United Methodist Church with 226,578. About 20% of the population are of the Roman Catholic denomination; especially in the Kansas City and St. Louis areas.

B aptists, Methodists, and Lutherans are among the Protestant denominations. Independence near Kansas City is the Mormons’ future New Jerusalem, where supporters of the smaller Mormon churches are particularly concentrated.

Top Counties by Population in Missouri

Rank County Name Population Population Density (per kmĀ²)
1 Saint Louis County 1,000,449 760.22
2 Jackson County 674,169 430.23
3 Saint Charles County 360,496 248.10
4 Saint Louis City 319,305 1,995.66
5 Greene County 275,185 157.43
6 Clay County 221,950 216.33
7 Jefferson County 218,744 128.52
8 Boone County 162,653 91.69
9 Jasper County 117,415 70.82
10 Franklin County 101,503 42.51
11 Cass County 99,489 54.97
12 Platte County 89,333 82.11
13 Buchanan County 89,212 84.00
14 Christian County 77,433 53.11
15 Cole County 76,001 74.88
16 Cape Girardeau County 75,685 50.46
17 Saint Francois County 65,370 56.11
18 Newton County 58,125 35.86
19 Johnson County 52,606 24.45
20 Lincoln County 52,577 32.22
21 Pulaski County 52,285 36.90
22 Taney County 51,686 31.57
23 Phelps County 45,167 25.91
24 Callaway County 44,343 20.41
25 Camden County 44,013 25.95
26 Butler County 42,805 23.68
27 Pettis County 42,212 23.79
28 Howell County 40,411 16.81
29 Scott County 39,202 35.97
30 Lawrence County 38,645 24.34
31 Webster County 36,213 23.58
32 Barry County 35,608 17.65
33 Laclede County 35,582 17.93
34 Lafayette County 33,392 20.50
35 Warren County 32,524 29.07
36 Stone County 32,213 26.87
37 Dunklin County 31,964 22.61
38 Polk County 31,148 18.88
39 Stoddard County 29,979 14.00
40 Marion County 28,792 25.39
41 Texas County 26,019 8.52
42 Adair County 25,618 17.42
43 Audrain County 25,540 14.23
44 Randolph County 25,425 20.37
45 Washington County 25,206 12.81
46 Miller County 24,759 16.15
47 Crawford County 24,707 12.84
48 Ray County 23,505 15.92
49 Nodaway County 23,381 10.30
50 Saline County 23,381 11.94
51 McDonald County 23,094 16.51
52 Henry County 22,283 12.26
53 Vernon County 21,170 9.80
54 Clinton County 20,754 19.13
55 Morgan County 20,576 13.28
56 Benton County 19,067 10.42
57 Perry County 18,982 15.43
58 New Madrid County 18,967 10.80
59 Wright County 18,826 10.66
60 Pike County 18,527 10.63
61 Pemiscot County 18,307 14.34
62 Ste. Genevieve County 18,156 13.97
63 Cooper County 17,612 12.04
64 Andrew County 17,302 15.35
65 Bates County 17,060 7.77
66 Dallas County 16,788 11.96
67 Dent County 15,668 8.02
68 Moniteau County 15,618 14.46
69 Macon County 15,577 7.48
70 Gasconade County 15,233 11.31
71 Livingston County 15,206 10.97
72 Mississippi County 14,369 13.43
73 Ripley County 14,111 8.65
74 Cedar County 13,993 11.35
75 Osage County 13,889 8.85
76 Douglas County 13,695 6.49
77 Wayne County 13,532 6.87
78 DeKalb County 12,903 11.75
79 Linn County 12,772 7.95
80 Barton County 12,413 8.07
81 Bollinger County 12,374 7.70
82 Montgomery County 12,247 8.77
83 Madison County 12,237 9.51
84 Oregon County 10,892 5.31
85 Iron County 10,641 7.46
86 Grundy County 10,272 9.10
87 Lewis County 10,222 7.81
88 Ralls County 10,178 8.34
89 Howard County 10,155 8.41
90 Saint Clair County 9,816 5.60
91 Ozark County 9,734 5.03
92 Hickory County 9,638 9.33
93 Caldwell County 9,435 8.49
94 Carroll County 9,306 5.17
95 Maries County 9,187 6.72
96 Harrison County 8,968 4.78
97 Monroe County 8,851 5.29
98 Shannon County 8,452 3.25
99 Daviess County 8,444 5.75
100 Dade County 7,894 6.22
101 Chariton County 7,842 4.01
102 Clark County 7,150 5.45
103 Gentry County 6,749 5.30
104 Sullivan County 6,725 3.99
105 Reynolds County 6,707 3.19
106 Shelby County 6,384 4.92
107 Carter County 6,276 4.77
108 Atchison County 5,696 4.03
109 Putnam County 4,990 3.72
110 Holt County 4,923 4.11
111 Scotland County 4,854 4.28
112 Schuyler County 4,442 5.57
113 Knox County 4,142 3.16
114 Mercer County 3,796 3.23
115 Worth County 2,182 3.17

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