Sangamon County, Illinois
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|Sangamon County, Illinois|
Location in the state of Illinois
Illinois's location in the U.S.
|Named for||Sangamon River|
|• Total||877 sq mi (2,271 km2)|
|• Land||868 sq mi (2,248 km2)|
|• Water||8.7 sq mi (23 km2), 1.0%|
|• Density||227/sq mi (88/km²)|
|Congressional districts||13th, 18th|
Sangamon County is included in the Springfield, IL Metropolitan Statistical Area.
Sangamon County was formed in 1821 out of Madison and Bond counties. The county was named for the Sangamon River, which runs through it. The origin of the name of the river is unknown; among several explanations is the theory that is comes from the Pottawatomie word Sain-guee-mon (pronounced "sang gä mun") meaning "where there is plenty to eat." Published histories of neighboring Menard County (formed from Sangamon County) suggest that the name was first given to the river by the French explorers of the late 17th century as they passed through the region. The river was named to honor "St. Gamo", or Saint Gamo, an 8th-century French Benedictine monk. The French pronunciation "San-Gamo" is the legacy.
Prior to being elected President of the United States, Abraham Lincoln represented Sangamon County in the Illinois Legislature. Lincoln, along with several other legislators, was instrumental in securing the Sangamon County seat, Springfield, as the state's capital. Sangamon County was also among the area represented by Lincoln when he served in the US House of Representatives. Another legislator who represented Sangamon County was Colonel Edmund Dick Taylor, also known as "Father of the Greenback". The prominent financiers and industrialists Jacob Bunn and John Whitfield Bunn were based in Springfield, Sangamon County, Illinois, as well as in Chicago, during the nineteenth century and the early twentieth century. The careers of these men and the people with whom they collaborated helped to shape much of the history and development of Sangamon County, Illinois. .
Climate and weather
|Climate chart (explanation)|
In recent years, average temperatures in the county seat of Springfield have ranged from a low of 17 °F (−8 °C) in January to a high of 87 °F (31 °C) in July, although a record low of −24 °F (−31 °C) was recorded in February 1905 and a record high of 112 °F (44 °C) was recorded in July 1954. Average monthly precipitation ranged from 1.62 inches (41 mm) in January to 4.06 inches (103 mm) in May.
National protected areas
State protected areas
As of the census of 2000, there were 188,951 people, 78,722 households, and 49,909 families residing in the county. The population density was 218 people per square mile (84/km²). There were 85,459 housing units at an average density of 98 per square mile (38/km²). The racial makeup of the county was 87.42% White, 9.65% Black or African American, 0.21% Native American, 1.10% Asian American, 0.03% Pacific Islander, 0.38% from other races, and 1.21% from two or more races. 1.06% of the population were Hispanic or Latino of any race. 25.8% were of German, 13.0% Irish, 11.3% English, 9.9% American and 6.2% Italian ancestry.
There were 78,722 households out of which 30.50% had children under the age of 18 living with them, 48.20% were married couples living together, 11.70% had a female householder with no husband present, and 36.60% were non-families. 31.00% of all households were made up of individuals and 10.60% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.97.
In the county the population was spread out with 25.00% under the age of 18, 8.10% from 18 to 24, 29.70% from 25 to 44, 23.70% from 45 to 64, and 13.50% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 91.40 males. For every 100 females age 18 and over, there were 87.30 males.
The median income for a household in the county was $42,957, and the median income for a family was $53,900. Males had a median income of $37,696 versus $28,814 for females. The per capita income for the county was $23,173. About 6.50% of families and 9.30% of the population were below the poverty line, including 12.70% of those under age 18 and 7.30% of those age 65 or over.
Sangamon County is governed by a 29 member board. Each member of the board is elected from a separate district.
Other elected officials include:
- Clerk of the Circuit Court
- County Clerk
- State's Attorney
- Superintendent of Schools
Sangamon County is divided into these townships:
- "State & County QuickFacts". United States Census Bureau. Retrieved July 8, 2014.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- Callary, Edward. 2009. Place Names of Illinois. Champaign: University of Illinois Press, p. 310.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- "Monthly Averages for Springfield, Illinois". The Weather Channel. Retrieved 2011-01-27.
- "U.S. Decennial Census". United States Census Bureau. Retrieved July 8, 2014.
- "Historical Census Browser". University of Virginia Library. Retrieved July 8, 2014.
- "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 8, 2014.
- "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 8, 2014.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- "History and Overview". Springfield, Illinois: County of Sangamon, Illinois. Retrieved 4 December 2011.
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