DeWitt County, Illinois

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De Witt County, Illinois
DeWitt County Courthouse, Clinton.jpg
DeWitt County Courthouse in Clinton, Illinois
Map of Illinois highlighting De Witt County
Location in the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location in the U.S.
Founded 1839
Named for DeWitt Clinton
Seat Clinton
Largest city Clinton
Area
 • Total 405 sq mi (1,049 km2)
 • Land 398 sq mi (1,031 km2)
 • Water 7.6 sq mi (20 km2), 1.9%
Population
 • (2010) 16,561
 • Density 42/sq mi (16/km²)
Congressional district 13th
Time zone Central: UTC-6/-5
Website www.dewittcountyill.com

DeWitt County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 16,561.[1] Its county seat is Clinton.[2] 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.[3]

DeWitt County is included in the Bloomington, 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).

History

  • DeWitt County from its creation in 1839 to the splitting off of Piatt County in 1841

  • Dewitt County from 1841 to 1845

  • DeWitt County in 1845, when it was reduced to its current size

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.[4]

Climate and weather

Clinton, Illinois
Climate chart (explanation)
J F M A M J J A S O N D
 
 
2.1
 
 
35
17
 
 
2
 
 
41
22
 
 
3.2
 
 
53
32
 
 
3.6
 
 
65
42
 
 
4.5
 
 
76
52
 
 
3.9
 
 
85
61
 
 
4.5
 
 
88
65
 
 
4.1
 
 
86
63
 
 
3
 
 
80
55
 
 
2.7
 
 
68
44
 
 
3.3
 
 
52
34
 
 
2.9
 
 
39
23
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel[5]

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.[5]

Adjacent counties

Major highways

Demographics

2000 census age pyramid for DeWitt County
Historical population
Census Pop. %±
1840 3,247 —
1850 5,002 54.0%
1860 10,820 116.3%
1870 14,768 36.5%
1880 17,010 15.2%
1890 17,011 0.0%
1900 18,972 11.5%
1910 18,906 −0.3%
1920 19,252 1.8%
1930 18,598 −3.4%
1940 18,244 −1.9%
1950 16,894 −7.4%
1960 17,253 2.1%
1970 16,975 −1.6%
1980 18,108 6.7%
1990 16,516 −8.8%
2000 16,798 1.7%
2010 16,561 −1.4%
Est. 2014 16,284 [6] −1.7%
U.S. Decennial Census[7]
1790-1960[8] 1900-1990[9]
1990-2000[10] 2010-2013[1]

As of the 2010 United States Census, there were 16,561 people, 6,811 households, and 4,618 families residing in the county.[11] 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).[4] 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.[11] In terms of ancestry, 31.2% were American, 21.7% were German, 15.8% were English, and 12.3% were Irish.[12]

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.[11]

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.[13]

Communities

Map of DeWitt County Illinois

Cities

Villages

Townships

De Witt County is divided into thirteen townships:

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See also

Notes

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References

External links

 McLean County
Logan County Piatt County
  DeWitt County, Illinois  
Macon County

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