DeWitt County
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.
Coordinates: 40°10′29″N 88°54′15″W / 40.17463°N 88.90409°W / 40.17463; -88.90409
Country United States
State Illinois
Founded1839
Named forDeWitt Clinton
SeatClinton
Largest cityClinton
Area
 • Total405 sq mi (1,050 km2)
 • Land398 sq mi (1,030 km2)
 • Water7.6 sq mi (20 km2)  1.9%
Population
 (2010)
 • Total16,561
 • Estimate 
(2018)
15,769
 • Density41/sq mi (16/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district13th
Websitewww.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 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).

History

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

Historical population
Census Pop.
18403,247
18505,00254.0%
186010,820116.3%
187014,76836.5%
188017,01015.2%
189017,0110.0%
190018,97211.5%
191018,906−0.3%
192019,2521.8%
193018,598−3.4%
194018,244−1.9%
195016,894−7.4%
196017,2532.1%
197016,975−1.6%
198018,1086.7%
199016,516−8.8%
200016,7981.7%
201016,561−1.4%
2018 (est.)15,769[6]−4.8%
U.S. Decennial Census[7]
1790-1960[8] 1900-1990[9]
1990-2000[10] 2010-2013[1]
2000 census age pyramid for DeWitt County
2000 census age pyramid for DeWitt County

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
Map of DeWitt County Illinois

Cities

Villages

Townships

De Witt County is divided into thirteen townships:

Unincorporated Communities[edit]

Politics

DeWitt is frequently a Republican county. It has not been carried by a Democratic presidential candidate since Lyndon Johnson’s 1964 landslide, and even before that it was carried by Democrats only in strong winning elections like 1936, 1932, 1916, 1912 and 1892.

United States presidential election results for DeWitt County, Illinois[14]
Year Republican Democratic Third party
No.  % No.  % No.  %
2020 5,632 70.06% 2,191 27.25% 216 2.69%
2016 5,077 67.19% 1,910 25.28% 569 7.53%
2012 4,579 62.15% 2,601 35.30% 188 2.55%
2008 4,348 55.52% 3,308 42.24% 175 2.23%
2004 4,920 63.09% 2,836 36.37% 42 0.54%
2000 3,968 56.28% 2,870 40.70% 213 3.02%
1996 2,978 45.20% 2,878 43.68% 733 11.12%
1992 3,164 40.78% 3,009 38.78% 1,586 20.44%
1988 3,942 59.32% 2,660 40.03% 43 0.65%
1984 4,534 65.57% 2,352 34.01% 29 0.42%
1980 4,648 63.29% 2,262 30.80% 434 5.91%
1976 4,137 53.97% 3,477 45.36% 52 0.68%
1972 5,025 65.22% 2,672 34.68% 8 0.10%
1968 4,247 54.21% 2,823 36.04% 764 9.75%
1964 3,605 45.20% 4,371 54.80% 0 0.00%
1960 5,074 58.40% 3,607 41.51% 8 0.09%
1956 5,307 63.15% 3,093 36.80% 4 0.05%
1952 5,212 61.78% 3,221 38.18% 3 0.04%
1948 4,178 55.61% 3,290 43.79% 45 0.60%
1944 4,630 55.40% 3,658 43.77% 69 0.83%
1940 5,477 51.80% 5,052 47.78% 45 0.43%
1936 4,544 44.20% 5,676 55.21% 60 0.58%
1932 4,207 43.49% 5,339 55.19% 127 1.31%
1928 6,100 69.40% 2,631 29.93% 59 0.67%
1924 5,173 58.77% 2,752 31.27% 877 9.96%
1920 5,001 60.68% 3,079 37.36% 162 1.97%
1916 4,380 47.89% 4,460 48.76% 306 3.35%
1912 1,346 28.49% 1,880 39.79% 1,499 31.72%
1908 2,628 53.17% 2,155 43.60% 160 3.24%
1904 2,771 55.96% 1,872 37.80% 309 6.24%
1900 2,694 52.27% 2,361 45.81% 99 1.92%
1896 2,587 51.45% 2,370 47.14% 71 1.41%
1892 2,059 47.36% 2,083 47.91% 206 4.74%


See also

Notes

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Archived from the original on July 9, 2011. Retrieved July 4, 2014.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 105.
  4. ^ a b "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Archived from the original on February 12, 2020. Retrieved July 11, 2015.
  5. ^ a b "Monthly Averages for Clinton, Illinois". The Weather Channel. Retrieved January 27, 2011.
  6. ^ "Population and Housing Unit Estimates". Retrieved November 6, 2019.
  7. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 4, 2014.
  8. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 4, 2014.
  9. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 4, 2014.
  10. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 4, 2014.
  11. ^ a b c "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 11, 2015.
  12. ^ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 11, 2015.
  13. ^ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 11, 2015.
  14. ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved November 1, 2018.

References

Coordinates: 39°22′37″N 90°17′38″W / 39.377°N 90.294°W / 39.377; -90.294