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St. Clair

County in Illinois (USA)

Contents: Population

The population development of St. Clair as well as related information and services (Wikipedia, Google, images).

St. ClairCounty262,852256,043270,078259,686
USA [United States of America]Federal Republic248,709,873281,421,906308,758,105328,239,523

Source: U.S. Census Bureau (web).

Explanation: 2000 population in the boundaries of 2010. 2010 and 2019 population in the boundaries of 2019.


Further information about the population structure:

Gender (E 2019)
Males125,101
Females134,585
Age Groups (E 2019)
0-14 years50,306
15-64 years166,783
65+ years42,597
Age Distribution (E 2019)
0-9 years32,909
10-19 years33,470
20-29 years32,474
30-39 years34,113
40-49 years31,486
50-59 years34,939
60-69 years31,963
70-79 years17,828
80+ years10,504
»Race« (E 2019)
White168,280
Black/African American72,736
Indigenous1,000
Asian4,056
Pacific Islander252
2 or more6,754
Ethnicity (E 2019)
Hispanic or Latino11,215
Other248,471

See also:

Located in:


USA: Counties