Winnebago County, Illinois

Winnebago County, Illinois

Seal
Map of Illinois highlighting Winnebago County
Location in the state of Illinois
Map of the United States highlighting Illinois
Illinois's location in the U.S.
Founded January 16, 1836
Named for Winnebago Tribe
Seat Rockford
Largest city Rockford
Area
 • Total 519 sq mi (1,344 km2)
 • Land 513 sq mi (1,329 km2)
 • Water 5.9 sq mi (15 km2), 1.1%
Population
 • (2010) 295,266
 • Density 575/sq mi (222/km²)
Congressional districts 16th, 17th
Time zone Central: UTC-6/-5
Website www.wincoil.us

Winnebago County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 295,266,[1] making it the seventh most populous county in Illinois behind Cook County and its five surrounding collar counties. Its county seat is Rockford.[2]

Winnebago County is part of the Rockford, IL Metropolitan Statistical Area.

History

Winnebago County was formed on January 16, 1836 out of Jo Daviess and LaSalle counties. It was named for the Winnebago Tribe of American Indians.

Geography

According to the U.S. Census Bureau, the county has a total area of 519 square miles (1,340 km2), of which 513 square miles (1,330 km2) is land and 5.9 square miles (15 km2) (1.1%) is water.[3]

Climate and weather

Rockford, Illinois
Climate chart (explanation)
JFMAMJJASOND
 
 
1.4
 
 
27
11
 
 
1.3
 
 
33
16
 
 
2.4
 
 
46
27
 
 
3.6
 
 
59
37
 
 
4
 
 
71
48
 
 
4.8
 
 
80
58
 
 
4.1
 
 
83
63
 
 
4.2
 
 
81
61
 
 
3.5
 
 
74
52
 
 
2.6
 
 
62
40
 
 
2.6
 
 
46
29
 
 
2.1
 
 
32
17
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel[4]

In recent years, average temperatures in the county seat of Rockford have ranged from a low of 11 °F (−12 °C) in January to a high of 83 °F (28 °C) in July, although a record low of −27 °F (−33 °C) was recorded in January 1982 and a record high of 112 °F (44 °C) was recorded in July 1936. Average monthly precipitation ranged from 1.34 inches (34 mm) in February to 4.80 inches (122 mm) in June.[4]

Major highways

Adjacent counties

Demographics

Historical population
Census Pop. %±
18404,609—
185011,773155.4%
186024,491108.0%
187029,30119.6%
188030,5054.1%
189039,93830.9%
190047,84519.8%
191063,15332.0%
192090,92944.0%
1930117,37329.1%
1940121,1783.2%
1950152,38525.8%
1960209,76537.7%
1970246,62317.6%
1980250,8841.7%
1990252,9130.8%
2000278,41810.1%
2010295,2666.1%
Est. 2015287,078[5]−2.8%
U.S. Decennial Census[6]
1790-1960[7] 1900-1990[8]
1990-2000[9] 2010-2013[1]

As of the 2010 United States Census, there were 295,266 people, 115,501 households, and 76,854 families residing in the county.[10] The population density was 575.2 inhabitants per square mile (222.1/km2). There were 125,965 housing units at an average density of 245.4 per square mile (94.7/km2).[3] The racial makeup of the county was 77.4% white, 12.2% black or African American, 2.3% Asian, 0.3% American Indian, 4.9% from other races, and 2.8% from two or more races. Those of Hispanic or Latino origin made up 10.9% of the population.[10] In terms of ancestry, 25.6% were German, 13.5% were Irish, 9.4% were American, 8.7% were Swedish, 8.3% were English, and 7.4% were Italian.[11]

Of the 115,501 households, 33.1% had children under the age of 18 living with them, 47.3% were married couples living together, 14.0% had a female householder with no husband present, 33.5% were non-families, and 27.7% of all households were made up of individuals. The average household size was 2.52 and the average family size was 3.07. The median age was 38.3 years.[10]

The median income for a household in the county was $47,198 and the median income for a family was $59,814. Males had a median income of $48,358 versus $32,103 for females. The per capita income for the county was $24,008. About 11.5% of families and 15.9% of the population were below the poverty line, including 25.0% of those under age 18 and 7.5% of those age 65 or over.[12]

Winnebago County is comprised by the following districts represented in 2015-2016 by the following individuals listed along with their political affiliation: [13]

District 1 Faye Lyon (R)

District 2 Jim Webster (R)

District 3 Steve Schultz (R)

District 4 David Boomer (R)

District 5 Dave Tassoni (D)

District 6 Kieth McDonald (R)

District 7 Gary Jury (R)

District 8 Eli Nicolosi (R)

District 9 Dave Kelley (R)

District 10 Joe Hoffman (D)

District 11 Dave Fiduccia (R)

District 12 Julio Salgado (D)

District 13 Angie Goral (D)

District 14 L.C. Wilson (D)

District 15 Burt Gerl (D)

District 16 John F. Sweeney (R)

District 17 Fred Wescott (R)

District 18 Dorothy Redd (D)

District 19 John Guevara (R)

District 20 Ted Biondo (R)

Communities

Cities

Villages

Census-designated place

Unincorporated communities

Townships

Winnebago County is divided into these townships:

See also

References

Specific
  1. 1 2 "State & County QuickFacts". United States Census Bureau. Retrieved July 9, 2014.
  2. ↑ "Find a County". National Association of Counties. Retrieved 2011-06-07.
  3. 1 2 "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Retrieved 2015-07-12.
  4. 1 2 "Monthly Averages for Rockford, Illinois". The Weather Channel. Retrieved 2011-01-27.
  5. ↑ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2015". Retrieved Mar 24, 2016.
  6. ↑ "U.S. Decennial Census". United States Census Bureau. Retrieved July 9, 2014.
  7. ↑ "Historical Census Browser". University of Virginia Library. Retrieved July 9, 2014.
  8. ↑ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 9, 2014.
  9. ↑ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 9, 2014.
  10. 1 2 3 "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Retrieved 2015-07-12.
  11. ↑ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved 2015-07-12.
  12. ↑ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved 2015-07-12.
  13. ↑ http://wincoil.us/departments/county-board-office/county-board-members/
General

Further reading

External links

 Green County, Wisconsin Rock County, Wisconsin
Stephenson County Boone County
   Winnebago County, Illinois  
Ogle County DeKalb County

Coordinates: 42°20′11″N 89°09′39″W / 42.33639°N 89.16083°W / 42.33639; -89.16083

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