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DeKalb County, Illinois

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DeKalb County, Illinois
Seal of DeKalb County, Illinois
Seal
Map of Illinois highlighting DeKalb County
Location in the state of Illinois
Map of USA IL
Illinois's location in the U.S.
Founded 1836
Seat Sycamore
Area
 - Total
 - Land
 - Water

634.97 sq mi (1,645 km²)
634.16 sq mi (1,642 km²)
0.81 sq mi (2 km²), 0.13%
Population
 - (2000)
 - Density

88,969
140/sq mi (54/km²)
Website www.dekalbcounty.org

DeKalb County is a county located in the U.S. state of Illinois. In 2000, the population was 88,969. As of 2007, the population is estimated at 103,729. Its county seat is Sycamore, Illinois.[1] DeKalb County is part of the Chicago metropolitan statistical area.

HistoryEdit

DeKalb County was formed in 1837 out of Kane County, Illinois. The County was named in honor of Johann de Kalb, a German (Bavarian) hero of the American Revolutionary War. Kalb was with Gen. Washington at Valley Forge. He was killed at the Battle of Camden.

Pronunciation Edit

Unlike similarly spelled locations, such as DeKalb County, Georgia, DeKalb denizens from Illinois pronounce the county name /dɨˈkælb/ "di-KALB", with an L sound, as opposed to a silent "L."

GeographyEdit

According to the 2000 census, the county has a total area of 634.97 square miles (1,644.6 km2), of which 634.16 square miles (1,642.5 km2) (or 99.87%) is land and 0.81 square miles (2.1 km2) (or 0.13%) is water.[2]

Adjacent countiesEdit

Major highwaysEdit

Townships Edit

Sycamore Dek cty gov leg center

DeKalb County's Legislative Center.

DeKalb County is divided into nineteen townships:

Cities and towns Edit

Political districtsEdit

DemographicsEdit

DeKalb County
Population by year

2010 - 105,160
2000 - 88,969
1990 - 77,932
1980 - 74,624
1970 - 71,654
1960 - 51,714
1950 - 40,781
1940 - 34,388
1930 - 32,644
1920 - 31,339
1910 - 33,457
1900 - 31,756
1890 - 27,066
1880 - 26,768
1870 - 23,265
1860 - 19,086
1850 - 7,540
1840 - 1,697

USA DeKalb County, Illinois age pyramid

2000 census age pyramid for DeKalb County.

As of the census[3] of 2000, there were 88,969 people, 31,674 households, and 19,954 families residing in the county. The population density was 140 people per square mile (54/km²). There were 32,988 housing units at an average density of 52 per square mile (20/km²). The racial makeup of the county was 88.46% White, 4.59% Black or African American, 0.22% Native American, 2.35% Asian, 0.07% Pacific Islander, 2.74% from other races, and 1.57% from two or more races. 6.55% of the population were Hispanic or Latino of any race. 25.6% were of German, 10.8% Irish, 7.2% English, 5.9% American and 5.0% Norwegian ancestry according to Census 2000. 90.8% spoke English and 5.7% Spanish as their first language.

There were 31,674 households out of which 32.50% had children under the age of 18 living with them, 50.90% were married couples living together, 8.50% had a female householder with no husband present, and 37.00% were non-families. 25.50% of all households were made up of individuals and 7.90% had someone living alone who was 65 years of age or older. The average household size was 2.56 and the average family size was 3.11.

In the county the population was spread out with 23.10% under the age of 18, 22.00% from 18 to 24, 27.60% from 25 to 44, 17.40% from 45 to 64, and 9.80% who were 65 years of age or older. The median age was 28 years. For every 100 females there were 98.20 males. For every 100 females age 18 and over, there were 96.50 males.

The median income for a household in the county was $45,828, and the median income for a family was $58,194. Males had a median income of $41,111 versus $26,690 for females. The per capita income for the county was $19,462. About 5.10% of families and 11.40% of the population were below the poverty line, including 7.10% of those under age 18 and 4.50% of those age 65 or over.

Climate and weather Edit

Climate chart for Sycamore, Illinois
JFMAMJJASOND
 
 
1.54
 
27
10
 
 
1.40
 
32
16
 
 
2.46
 
44
26
 
 
3.52
 
58
37
 
 
4.21
 
70
48
 
 
4.49
 
80
58
 
 
4.22
 
84
63
 
 
4.48
 
81
61
 
 
3.51
 
74
51
 
 
2.60
 
62
40
 
 
2.82
 
45
28
 
 
2.13
 
32
17
temperatures in °Cprecipitation totals in mm
source: The Weather Channel[4]

In recent years, average temperatures in the county seat of Sycamore have ranged from a low of 10 °F (−12 °C) in January to a high of 84 °F (29 °C) in July, although a record low of −27 °F (−32.8 °C) was recorded in January 1985 and a record high of 103 °F (39 °C) was recorded in August 1988. Average monthly precipitation ranged from 1.40 inches (36 mm) in February to 4.49 inches (114 mm) in June.[4]

See alsoEdit

ReferencesEdit

  1. ^ "Find a County". National Association of Counties. http://www.naco.org/Counties/Pages/FindACounty.aspx. Retrieved 2011-06-07. 
  2. ^ "Census 2000 U.S. Gazetteer Files: Counties". United States Census. http://www.census.gov/tiger/tms/gazetteer/county2k.txt. Retrieved 2011-02-13. 
  3. ^ "American FactFinder". United States Census Bureau. http://factfinder.census.gov. Retrieved 2008-01-31. 
  4. ^ a b "Monthly Averages for Sycamore, Illinois". The Weather Channel. http://www.weather.com/weather/wxclimatology/monthly/graph/USIL1144. Retrieved 2011-01-27. 

Further readingEdit

External linksEdit

Coordinates: 41°53′N 88°46′W / 41.89, -88.77


This page uses content from the English language Wikipedia. The original content was at DeKalb County, Illinois. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.

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