Boone County, Illinois
|Boone County, Illinois|
Location in the state of Illinois
Illinois's location in the U.S.
|Named for||Daniel Boone|
282.02 sq mi (730 km²)
280.72 sq mi (727 km²)
1.30 sq mi (3 km²), 0.46%
148/sq mi (57/km²)
|Time zone||Central: UTC-6/-5|
Boone County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 54,165, which is an increase of 29.6% from 41,786 in 2000. Its county seat is Belvidere.
According to the 2010 census, the county has a total area of 282.02 square miles (730.4 km2), of which 280.72 square miles (727.1 km2) (or 99.54%) is land and 1.30 square miles (3.4 km2) (or 0.46%) is water.
Adjacent counties 
- Rock County, Wisconsin - north
- Walworth County, Wisconsin - northeast
- McHenry County - east
- DeKalb County - south
- Ogle County - southwest
- Winnebago County - west
Major highways 
Cities and towns 
- Cherry Valley (west quarter)
- Garden Prairie
- Loves Park (west edge)
- Poplar Grove
Boone County is divided into these nine townships:
School districts 
- Belvidere Community Unit School District 100
- Harvard Community Unit School District 50
- Hiawatha Community Unit School District 426
- North Boone Community Unit School District 200
- Rockford School District 205
Political districts 
- Illinois' 16th congressional district
- State House District 69
- State Senate District 35
|IL Counties 1900-1990|
As of the census of 2000, there were 41,786 people, 14,597 households, and 11,254 families residing in the county. The population density was 149 people per square mile (57/km²). There were 15,414 housing units at an average density of 55 per square mile (21/km²). The racial makeup of the county was 90.09% White, 0.90% Black or African American, 0.29% Native American, 0.50% Asian, 0.01% Pacific Islander, 6.67% from other races, and 1.54% from two or more races. 12.49% of the population were Hispanic or Latino of any race. 27.9% were of German, 9.6% Irish, 7.5% English, 6.2% Italian, 6.1% Swedish, 6.1% American and 5.0% Polish ancestry according to Census 2000. 87.9% spoke English and 11.1% Spanish as their first language. The student population stands at roughly 5000, with 3000 of them being in a high school designed for 1800 students. In 2008 Belvidere North High School was opened to offset the overcrowding at Belvidere High School.
There were 14,597 households out of which 40.10% had children under the age of 18 living with them, 64.20% were married couples living together, 8.70% had a female householder with no husband present, and 22.90% were non-families. 19.00% of all households were made up of individuals and 8.00% had someone living alone who was 65 years of age or older. The average household size was 2.84 and the average family size was 3.24.
In the county the population was spread out with 29.80% under the age of 18, 7.70% from 18 to 24, 29.90% from 25 to 44, 22.00% from 45 to 64, and 10.70% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 100.20 males. For every 100 females age 18 and over, there were 97.60 males.
The median income for a household in the county was $52,397, and the median income for a family was $59,305. Males had a median income of $41,992 versus $25,695 for females. The per capita income for the county was $21,590. About 5.10% of families and 7.00% of the population were below the poverty line, including 8.70% of those under age 18 and 5.80% of those age 65 or over.
Climate and weather 
|Climate chart (explanation)|
In recent years, average temperatures in the county seat of Belvidere have ranged from a low of 11 °F (−12 °C) in January to a high of 85 °F (29 °C) in July, although a record low of −29 °F (−34 °C) was recorded in January 1979 and a record high of 109 °F (43 °C) was recorded in July 1936. Average monthly precipitation ranged from 1.29 inches (33 mm) in February to 4.56 inches (116 mm) in June.
See also 
- "Boone County QuickFacts". United States Census Bureau. Retrieved 2011-11-05.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- "Census 2010 U.S. Gazetteer Files: Counties". United States Census. Retrieved 2011-11-05.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- "Monthly Averages for Belvidere, Illinois". The Weather Channel. Retrieved 2011-01-27.
Other sources consulted 
- United States Census Bureau 2007 TIGER/Line Shapefiles
- United States Board on Geographic Names (GNIS)
- United States National Atlas
Further reading 
- History of Boone County, Illinois. Salem, MA: Higginson Book Co., 1998.
- The Past and Present of Boone County, Illinois: Containing a History of the County — Its Cities, Towns, Etc.; A Biographical Directory of Its Citizens; War Record of Its Volunteers in the Late Rebellion; Portraits of Early Settlers and Prominent Men; General and Local Statistics; History of the Northwest; History of Illinois; Constitution of the United States; Map of Boone County; Miscellaneous Matters; Etc., Etc. Chicago: H.F. Kett and Co., 1877.
||Rock County, Wisconsin||Walworth County, Wisconsin|
|Winnebago County||McHenry County|
|Ogle County||DeKalb County|