St. Clair
County in Illinois (USA)
Contents: Population
The population development of St. Clair as well as related information and services (Wikipedia, Google, images).
| Name | Status | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | Population Estimate 2023-07-01 | |
|---|---|---|---|---|---|---|---|
| St. Clair | County | 262,852 | 256,082 | 270,056 | 257,412 | 251,018 | |
| USA [United States of America] | Federal Republic | 248,709,873 | 281,421,906 | 308,745,538 | 331,464,948 | 334,914,895 |
Source: U.S. Census Bureau.
Explanation: Latest available rebased total population figures are tabulated.
Further information about the population structure:
| Gender (C 2020) | |
|---|---|
| Males | 124,557 |
| Females | 132,843 |
| Age Groups (C 2020) | |
|---|---|
| 0-17 years | 60,316 |
| 18-64 years | 154,414 |
| 65+ years | 42,670 |
| Age Distribution (C 2020) | |
|---|---|
| 80+ years | 9,904 |
| 70-79 years | 18,034 |
| 60-69 years | 32,457 |
| 50-59 years | 34,489 |
| 40-49 years | 31,405 |
| 30-39 years | 33,667 |
| 20-29 years | 30,879 |
| 10-19 years | 34,843 |
| 0-9 years | 31,722 |
| Urbanization (C 2020) | |
|---|---|
| Rural | 36,437 |
| Urban | 220,963 |
| »Race« (C 2020) | |
|---|---|
| White | 153,376 |
| Black/African American | 76,564 |
| Indigenous | 881 |
| Asian | 3,711 |
| Pacific Islander | 188 |
| Some other | 5,288 |
| 2 or more | 17,392 |
| Ethnicity (C 2020) | |
|---|---|
| Hispanic or Latino | 12,582 |
| Other | 244,818 |