Introduction to Clinton, Illinois

Clinton, Illinois, in De Witt county, is 21 miles N of Decatur, Illinois and 126 miles NE of St. Louis, Missouri.

Clinton History

Clinton is the county seat of DeWitt County. Both the county and the city were named in honor of DeWitt Clinton, the Governor of New York from 1817 to 1823. Clinton is home to the Clinton Nuclear Generating Station. A pair of land speculators established the community. The first Illinois Central Railroad locomotive entered into the area in 1854. With the arrival of the railroad, the city of Clinton began to flourish.

Clinton and nearby Attractions

  • Mount Pulaski Courthouse State Historic Site
  • John C. Flanagan House Museum
  • Weldon Springs State Park
  • Miller Park Zoo
  • Staerkel Planetarium

Things To Do In Clinton

Local museums include the McLean County Museum of History, the Raggedy Ann & Andy Museum, the John C. Flanagan House Museum, the Early American Museum and the Abraham Lincoln Presidential Library & Museum. The Scovill Zoo and Miller Park Zoo are nearby as well. The Vespasian Warner Public Library is the local library. The city hosts the May Days Celebration every May and the Apple 'n Pork Festival every September.

Clinton Transportation

Central Illinois Regional is located nearby.

Clinton Higher Education

Millikin University, Heartland Community College and the University of Illinois at Springfield are all nearby.


Total Population 6,987
Male Share of the Population 49.1%
Female Share of the Population 50.9%
Senior Citizens 17.6%
Employed Population 16+ 3,057
Age of the Population 40


% of people married 48.5%
Average household size 2

Education and Earnings

Population % with Bachelor Degree or Higher 15.7%
Median Earnings25+ $0
Median Earnings Without High School Qualification $0
Median Earnings With High School Degree $0


Median Family Income $60,208
% Above Poverty Level 83.1%
% Below Poverty Level 16.9%

Commute & Sprawl

Average Commute Time 18 minutes
% Working from Home 1.7%
% Walking and Biking to Work 3.3%
% Using Public Transportation 0.3%


People Living Alone 37.8%
Median Gross Rent $564
Median House Value $89,200


Other(often includes Hispanic and African American) 15.4%
US/American 0%
English 11.5%
Irish 16.9%

Source: American Community Survey, U.S. Census Bureau, 2015, www.census.gov/programs-surveys/acs/.

Clinton Almanac

Category Value
Nearest Medium City 21 miles N of Decatur, Illinois (center to center)
Nearest Large City 126 miles NE of St. Louis, Missouri
County De Witt
Standard Zip Codes 61727
Phone Area Codes 217
Time Zone Central (-6 hours from GMT)
Daylight Savings The city observes Daylight Saving Time.
Latitude 40.15
Longitude -88.95

Clinton Climate

Nearest Weather Stations


  • Temp ranges are avg daily min and max for the month
  • Precipitation is rainfall (and rainfall equiv of snowfall)

Distance 16.5 miles
Jan Temp 14 to 32 F
Apr Temp 40 to 62 F
Jul Temp 64 to 85 F
Oct Temp 42 to 66 F
Annual Precip 36 inches
Distance 20.3 miles
Jan Temp 15 to 33 F
Apr Temp 39 to 63 F
Jul Temp 64 to 86 F
Oct Temp 41 to 67 F
Annual Precip 38.3 inches
Distance 35.9 miles
Jan Temp 15 to 34 F
Apr Temp 41 to 64 F
Jul Temp 64 to 88 F
Oct Temp 42 to 68 F
Annual Precip 37.5 inches

Neighborhood and Nearby Area Names

According to the US Postal Service, Clinton, its neighborhoods, and/or surrounding areas are also referred to as:

Barnett Township (61727)

Birkbeck (61727)

Clintonia Township (61727)

Hallsville (61727)

Harp Township (61727)

Jenkins (61727)

Midland City (61727)

Ospur (61727)

South Clinton (61727)

Texas Township (61727)

Note that not all alternate names are acceptable for use in US Post Office addresses.

Nearby Cities and Towns

Location Population Median Family Income

Source: American Community Survey, U.S. Census Bureau, 2015, www.census.gov/programs-surveys/acs/.

Clinton Public Libraries

Vespasian Warner P.l.d.is
Clinton, Illinois
(217) 935-5174

library logo

More Information for Librarians

Clinton Hospitals

(Government - Local)
(217) 935-9571
Emergency Service: Yes

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Clinton High Schools

Serves 682 students.
Student/teacher ratio: 14.4

Study Online in Clinton

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Info for Clinton Government Officials

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