St. Clair County, Illinois
From Wikipedia, the free encyclopedia
| St. Clair County, Illinois | |
| Map | |
| Image:Map of Illinois highlighting St. Clair County.svg Location in the state of Illinois | |
| Image:Map of USA IL.svg Illinois's location in the USA | |
| Statistics | |
| Founded | 1790 |
|---|---|
| Seat | Belleville |
| Area - Total - Land - Water | 674 sq mi (1,746 km²) 664 sq mi (1,719 km²) 10 sq mi (26 km²), 1.51% |
| Population - (2000) - Density | 256,082 149/sq mi (58/km²) |
| Time zone | Central: UTC-6/-5 |
| Website: www.co.st-clair.il.us | |
| Named for: Arthur St. Clair | |
St. Clair County is a county located in the U.S. state of Illinois, and determined by the U.S. Census Bureau to include the mean center of U.S. population in 1970. As of 2000, the population was 256,082. Its county seat is Belleville, Illinois.
It is a part of the St. Louis Metropolitan Area. St. Clair County is also the first county established in the state of Illinois. Its existence actually precedes the state of Illinois as it was one of two counties established in the Northwest Territory in 1790. The county was named in honor of Arthur St. Clair, Governor of the Northwest Territory, who organized the county in 1790. In its original boundaries, the county covered two-thirds of present-day Illinois.
Contents |
[edit] Geography
According to the U.S. Census Bureau, the county has a total area of 674 square miles (1,746 km²), of which, 664 square miles (1,719 km²) of it is land and 10 square miles (26 km²) of it (1.51%) is water.
[edit] Adjacent Counties
- Madison County (north)
- Clinton County (northeast)
- Washington County (east)
- Randolph County (south)
- Monroe County (southwest)
- St. Louis, Missouri (west)1
- St. Louis County, Missouri (west)
1This is not a county, but an independent city which is not part of a county.
[edit] Demographics
| Historical populations | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1900 | 86,685 | ||
| 1910 | 119,870 | 38.3% | |
| 1920 | 136,520 | 13.9% | |
| 1930 | 157,775 | 15.6% | |
| 1940 | 166,899 | 5.8% | |
| 1950 | 205,995 | 23.4% | |
| 1960 | 262,509 | 27.4% | |
| 1970 | 285,176 | 8.6% | |
| 1980 | 267,531 | -6.2% | |
| 1990 | 262,852 | -1.7% | |
| 2000 | 256,082 | -2.6% | |
| IL Counties 1900-1990 | |||
As of the census² of 2000, there were 256,082 people, 96,810 households, and 67,282 families residing in the county. The population density was 386 people per square mile (149/km²). There were 104,446 housing units at an average density of 157 per square mile (61/km²). The racial makeup of the county was 67.94% White, 28.77% Black or African American, 0.26% Native American, 0.91% Asian American, 0.05% Pacific Islander, 0.80% from other races, and 1.29% from two or more races. 2.19% of the population were Hispanic or Latino of any race.
There were 96,810 households out of which 34.50% had children under the age of 18 living with them, 48.10% were married couples living together, 17.10% had a female householder with no husband present, and 30.50% were non-families. 25.90% of all households were made up of individuals and 10.30% had someone living alone who was 65 years of age or older. The average household size was 2.59 and the average family size was 3.13.
In the county the population was spread out with 27.70% under the age of 18, 8.90% from 18 to 24, 29.20% from 25 to 44, 21.10% from 45 to 64, and 13.20% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 91.40 males. For every 100 females age 18 and over, there were 87.20 males.
The median income for a household in the county was $39,148, and the median income for a family was $47,409. Males had a median income of $36,569 versus $25,773 for females. The per capita income for the county was $18,932. About 11.80% of families and 14.50% of the population were below the poverty line, including 21.60% of those under age 18 and 9.80% of those age 65 or over.
[edit] Cities and towns
- Alorton
- Belleville
- Brooklyn (also known as Lovejoy)
- Cahokia
- Caseyville
- Centreville
- Dupo
- East Carondelet
- East St. Louis
- Fairview Heights
- Fayetteville
- Freeburg
- Lebanon
- Lenzburg
- Marissa
- Mascoutah
- Millstadt
- New Athens
- O'Fallon
- Sauget
- Scott AFB
- Shiloh
- Smithton
- St. Libory
- Summerfield
- Swansea
- Washington Park
[edit] External links
Municipalities and communities of St. Clair County, Illinois | ||
|---|---|---|
| County seat: Belleville | ||
| Cities | Belleville | Centreville | Collinsville | East St. Louis | Fairview Heights | Lebanon | Madison | Mascoutah | O'Fallon | |
| Villages | Alorton | Cahokia | Caseyville | Dupo | East Carondelet | Fairmont City | Fayetteville | Freeburg | Lenzburg | Marissa | Millstadt | New Athens | Sauget | Scott AFB | Shiloh | Smithton | St. Libory | Summerfield | Swansea | Washington Park | |
| Townships | Canteen | Caseyville | Centreville | Engelmann | Fayetteville | Freeburg | Lebanon | Lenzburg | Marissa | Mascoutah | Millstadt | New Athens | O’Fallon | Prairie du Long | Shiloh Valley | Smithton | St. Clair | Stites | Stookey | Sugarloaf | |
Coordinates: ar:مقاطعة سانت كلير، إلينوي de:St. Clair County (Illinois) fr:Comté de Saint Clair (Illinois) bpy:সেন্ট ক্লেয়ার কাউন্টি, ইলিনয়স nl:St. Clair County (Illinois) no:St. Clair County i Illinois nds:St. Clair County (Illinois) pl:Hrabstwo St. Clair (Illinois) pt:Condado de St. Clair (Illinois) sv:St. Clair County, Illinois zh:聖克萊爾縣 (伊利諾伊州)
