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DeWitt County, Illinois facts for kids

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DeWitt County
DeWitt County Courthouse in Clinton
DeWitt County Courthouse in Clinton
Map of Illinois highlighting DeWitt County
Location within the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location within the U.S.
Country  United States
State  Illinois
Founded 1839
Named for DeWitt Clinton
Seat Clinton
Largest city Clinton
Area
 • Total 405 sq mi (1,050 km2)
 • Land 398 sq mi (1,030 km2)
 • Water 7.6 sq mi (20 km2)  1.9%
Population
 (2020)
 • Total 15,516
 • Density 38.31/sq mi (14.792/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional district 15th

DeWitt County is a county located in the state of Illinois, USA. In 2020, about 15,516 people lived here. The main town and county seat is Clinton.

The county was created on March 1, 1839. It was formed from parts of Macon and McLean counties. DeWitt County was named after DeWitt Clinton. He was the seventh Governor of New York State.

DeWitt County is part of the larger Bloomington–Normal, IL area. This area is called a Metropolitan Statistical Area.

Discovering DeWitt County's Past

DeWitt County has an interesting history. It was officially formed in 1839. Over the years, its shape changed a bit. By 1845, the county reached its current size.

Exploring DeWitt County's Geography

DeWitt County covers a total area of about 405 square miles. Most of this area, 398 square miles, is land. The remaining 7.6 square miles, or 1.9%, is water.

Understanding the Climate and Weather

Weather chart for Clinton, Illinois
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
temperatures in °F
precipitation totals in inches
source: The Weather Channel

The weather in DeWitt County changes with the seasons. In Clinton, the county seat, January is usually the coldest month. Temperatures can drop to about 17°F. July is typically the warmest month. Temperatures can reach around 88°F.

The county has seen some extreme temperatures. The coldest ever recorded was -25°F in February 1905. The hottest was 113°F in July 1954. Rain and snow also vary throughout the year. July usually gets the most rain.

Neighboring Counties of DeWitt

DeWitt County shares its borders with several other counties:

Getting Around: Local Transit

  • SHOW Bus

Major Roads and Highways

Several important roads pass through DeWitt County:

  • I-74.svg Interstate 74
  • US 51.svg US Route 51
  • US 150.svg US Route 150
  • Illinois 10.svg Illinois Route 10
  • Illinois 48.svg Illinois Route 48
  • Illinois 54.svg Illinois Route 54

DeWitt County's Population Story

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%
2020 15,516 −6.3%
2023 (est.) 15,365 −7.2%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010
USA De Witt County, Illinois age pyramid
2000 census age pyramid for DeWitt County

In 2010, there were 16,561 people living in DeWitt County. There were 6,811 households. Most people in the county are white, making up 96.8% of the population. About 2.1% of the people were of Hispanic or Latino background.

The average household had 2.39 people. The average family had 2.88 people. The median age for people in the county was 41.7 years old.

Towns and Villages in DeWitt County

Map of DeWitt County Illinois
Map of DeWitt County, Illinois

DeWitt County has several communities. These include cities, villages, and smaller unincorporated areas.

Cities in DeWitt County

Villages in DeWitt County

Townships in DeWitt County

DeWitt County is divided into thirteen smaller areas called townships:

  • Barnett
  • Clintonia
  • Creek
  • DeWitt
  • Harp
  • Nixon
  • Rutledge
  • Santa Anna
  • Texas
  • Tunbridge
  • Wapella
  • Waynesville
  • Wilson

Unincorporated Communities

These are smaller places that are not officially cities or villages:

Education in DeWitt County

Students in DeWitt County attend various school districts. These districts cover different areas and grade levels.

School Districts for All Grades (K-12)

  • Argenta-Oreana Community Unit School District 1
  • Blue Ridge Community Unit School District 18
  • Clinton Community Unit School District 15
  • DeLand-Weldon Community Unit School District 57
  • Heyworth Community Unit School District 4
  • Le Roy Community Unit School District 2
  • Maroa-Forsyth Community Unit School District 2
  • Monticello Community Unit School District 25
  • Mount Pulaski Community Unit District 23
  • Olympia Community Unit School District 16

There are also specific districts for elementary and high school:

  • Chester-East Lincoln Community Csd 61 (Elementary school)
  • Lincoln Community High School District 404 (High school)

See also

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