Named for DeWitt Clinton Congressional district 13th Area 1,049 km² Population 16,420 (2013) Unemployment rate 4.6% (Apr 2015) | Largest city Clinton Time zone Central: UTC-6/-5 Founded 1839 County seat Clinton | |
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Website www.dewittcountyill.com Cities Clinton, Farmer City, Wapella, DeWitt, Illinois, Waynesville Rivers Salt Creek, North Fork Lake Fork, Trenkle Slough | ||
DeWitt County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 16,561. Its county seat is Clinton. The county was formed on March 1, 1839 from Macon and McLean counties. The county was named in honor of the seventh Governor of New York State, DeWitt Clinton.
Contents
- Map of De Witt County IL USA
- Geography
- Climate and weather
- Adjacent counties
- Major highways
- Demographics
- Cities
- Villages
- Townships
- References
Map of De Witt County, IL, USA
DeWitt County is included in Bloomington–Normal, IL Metropolitan Statistical Area.
The U.S. Census Bureau and the USGS list the county's name as De Witt, although the county uses the name DeWitt (no space).
Geography
According to the U.S. Census Bureau, the county has a total area of 405 square miles (1,050 km2), of which 398 square miles (1,030 km2) is land and 7.6 square miles (20 km2) (1.9%) is water.
Climate and weather
In recent years, average temperatures in the county seat of Clinton have ranged from a low of 17 °F (−8 °C) in January to a high of 88 °F (31 °C) in July, although a record low of −25 °F (−32 °C) was recorded in February 1905 and a record high of 113 °F (45 °C) was recorded in July 1954. Average monthly precipitation ranged from 1.95 inches (50 mm) in February to 4.54 inches (115 mm) in July.
Adjacent counties
Major highways
Demographics
As of the 2010 United States Census, there were 16,561 people, 6,811 households, and 4,618 families residing in the county. The population density was 41.7 inhabitants per square mile (16.1/km2). There were 7,521 housing units at an average density of 18.9 per square mile (7.3/km2). The racial makeup of the county was 96.8% white, 0.5% black or African American, 0.4% Asian, 0.2% American Indian, 0.9% from other races, and 1.2% from two or more races. Those of Hispanic or Latino origin made up 2.1% of the population. In terms of ancestry, 31.2% were American, 21.7% were German, 15.8% were English, and 12.3% were Irish.
Of the 6,811 households, 30.1% had children under the age of 18 living with them, 53.0% were married couples living together, 10.0% had a female householder with no husband present, 32.2% were non-families, and 27.5% of all households were made up of individuals. The average household size was 2.39 and the average family size was 2.88. The median age was 41.7 years.
The median income for a household in the county was $45,347 and the median income for a family was $56,806. Males had a median income of $41,649 versus $27,729 for females. The per capita income for the county was $24,320. About 6.4% of families and 8.6% of the population were below the poverty line, including 12.2% of those under age 18 and 6.6% of those age 65 or over.
Cities
Villages
Townships
De Witt County is divided into thirteen townships: