DeWitt County, Illinois

De Witt County, Illinois
Location in the state of Illinois
Illinois's location in the U.S.
Founded	1839
Seat	Clinton
Largest city	Clinton
Area  - Total  - Land  - Water	405.08 sq mi (1,049 km²) 397.51 sq mi (1,030 km²) 7.57 sq mi (20 km²), 1.87%
Population  - (2010)  - Density	16,561 42/sq mi (16/km²)
Time zone	Central: UTC-6/-5
Website	www.dewittcountyill.com

DeWitt County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 16,561, which is a decrease of 1.4% from 16,798 in 2000.^[1] Its name is in honor of the seventh Governor of New York State, DeWitt Clinton. Its county seat is Clinton.^[2] 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). The county was formed in 1839 from Macon and McLean Counties.

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 2010 census, the county has a total area of 405.08 square miles (1,049.2 km²), of which 397.51 square miles (1,029.5 km²) (or 98.13%) is land and 7.57 square miles (19.6 km²) (or 1.87%) is water.^[3]

Adjacent counties

• McLean County - north
• Piatt County - east
• Macon County - south
• Logan County - west

Major highways

• Interstate 74
• US Route 51
• US Route 150
• Illinois Route 10
• Illinois Route 48
• Illinois Route 54

Settlements

Map of DeWitt County Illinois.

Cities

• Clinton
• Farmer City

Villages

• DeWitt
• Kenney
• Wapella
• Waynesville
• Weldon

Townships

De Witt County is divided into thirteen townships:

Barnett Clintonia Creek DeWitt Harp

Nixon Rutledge Santa Anna Texas Tunbridge

Wapella Waynesville Wilson

Political districts

• Illinois' 15th congressional district
• State House District 87
• State House District 110
• State Senate District 44
• State Senate District 55

Demographics

2000 census age pyramid for DeWitt County.

Historical populations
Census	Pop.		%±
1900	18,972		—
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%
IL Counties 1900-1990

As of the census^[4] of 2000, there were 16,798 people, 6,770 households, and 4,684 families residing in the county. The population density was 42 people per square mile (16/km²). There were 7,282 housing units at an average density of 18 per square mile (7/km²). The racial makeup of the county was 97.81% White, 0.49% Black or African American, 0.19% Native American, 0.28% Asian, 0.02% Pacific Islander, 0.50% from other races, and 0.71% from two or more races. 1.27% of the population were Hispanic or Latino of any race. 24.2% were of German, 18.8% American, 16.2% English and 11.4% Irish ancestry according to Census 2000. 98.4% spoke English and 1.3% Spanish as their first language.

There were 6,770 households out of which 30.90% had children under the age of 18 living with them, 56.80% were married couples living together, 8.50% had a female householder with no husband present, and 30.80% were non-families. 26.80% of all households were made up of individuals and 12.60% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.95.

In the county the population was spread out with 24.60% under the age of 18, 7.80% from 18 to 24, 28.30% from 25 to 44, 23.50% from 45 to 64, and 15.90% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 95.60 males. For every 100 females age 18 and over, there were 93.50 males.

The median income for a household in the county was $41,256, and the median income for a family was $50,429. Males had a median income of $35,902 versus $23,998 for females. The per capita income for the county was $20,488. About 5.80% of families and 8.20% of the population were below the poverty line, including 11.90% of those under age 18 and 7.20% of those age 65 or over.

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]
Metric conversion J F M A M J J A S O N D     52   2 -8     50   5 -6     81   12 0     91   18 6     114   24 11     99   29 16     115   31 18     105   30 17     76   27 13     70   20 7     84   11 1     73   4 -5 Average max. and min. temperatures in °C Precipitation totals in mm

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]

See also

• National Register of Historic Places listings in DeWitt County, Illinois

References

• United States Census Bureau 2007 TIGER/Line Shapefiles
• United States Board on Geographic Names (GNIS)
• United States National Atlas

1. ^ "De Witt County QuickFacts". United States Census Bureau. http://quickfacts.census.gov/qfd/states/17/17039.html. Retrieved 2011-11-05. 
2. ^ "Find a County". National Association of Counties. http://www.naco.org/Counties/Pages/FindACounty.aspx. Retrieved 2011-06-07. 
3. ^ "Census 2010 U.S. Gazetteer Files: Counties". United States Census. http://www.census.gov/geo/www/gazetteer/files/Gaz_counties_national.txt. Retrieved 2011-11-05. 
4. ^ "American FactFinder". United States Census Bureau. http://factfinder.census.gov. Retrieved 2008-01-31. 
5. ^ ^{a b} "Monthly Averages for Clinton, Illinois". The Weather Channel. http://www.weather.com/weather/wxclimatology/monthly/graph/USIL0245. Retrieved 2011-01-27. 

External links

• DeWitt County

Coordinates: 39°22′37″N 90°17′40″W / 39.37690°N 90.29451°W / 39.37690; -90.29451