St. Clair County is located in the state of Missouri, with a total population of 9397. The land area spans approximately 1748.192189 square miles, contributing to its total area of 1818.331144 square miles.

St. Clair County Interactive Map

About St. Clair County, Missouri

Here is some important info of St. Clair County, Missouri

St. Clair County, Missouri Population Demographics

As of the last census, St. Clair County has a total population of 9397, out of which 4751 are Male while 4646 are female.

You can check the total population for every year in the below table:

Year Population
2010 9823
2011 9693
2012 9527
2013 9487
2014 9432
2015 9411
2016 9288
2017 9365
2018 9389
2019 9397

Race Demographics

Category Percentage
non_hispanic_white_alone_male 47.6%
non_hispanic_white_alone_female 46.8%
black_alone_male 0.5%
black_alone_female 0.3%
asian_alone_male 0.1%
asian_alone_female 0.2%
hispanic_male 1.2%
hispanic_female 1.1%

Age Demographics

Category Percentage
0-4 5.5%
5-9 4.9%
10-14 5.7%
15-19 5.6%
20-24 4.2%
25-29 4.9%
30-34 4.7%
35-39 4.7%
40-44 4.7%
45-49 5.8%
50-54 5.8%
55-59 8.1%
60-64 8.0%
65-69 7.6%
70-74 6.9%
75-79 5.4%
80-84 4.1%
85+ 3.6%

Additional Information

  • Average Income: 29830
  • Number of Police officers: 76
  • St. Clair County FIPS code: 29185

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Source: Census.gov, Wikipedia.org