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Boone County, Illinois facts for kids

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Boone County
Floyd Hopkins Block in the Belvidere North State Street Historic District
Map of Illinois highlighting Boone County
Location within the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location within the U.S.
Country  United States
State  Illinois
Founded 1837
Named for Daniel Boone
Seat Belvidere
Largest city Belvidere
Area
 • Total 288 sq mi (750 km2)
 • Land 286 sq mi (740 km2)
 • Water 2.3 sq mi (6 km2)  0.5%
Population
 (2010)
 • Total 54,165
 • Estimate 
(2019)
53,544
 • Density 188.1/sq mi (72.62/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional district 16th

Boone County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 54,165. Its county seat is Belvidere.

Boone County is included in the Rockford, IL Metropolitan Statistical Area.

History

Boone County was formed in 1837 out of Winnebago County. It was named for Kentucky frontiersman Daniel Boone. The first non-Native American settlers arrived in what is now Boone County in 1835. They arrived as a result of the end of the Black Hawk War as well as the completion of the Erie Canal. They consisted entirely of settlers from New England. These were "Yankee" settlers, that is to say they were descended from the English Puritans who settled New England in the colonial era. They were primarily members of the Congregational Church though due to the Second Great Awakening many of them had converted to Methodism and some had become Baptists before coming to what is now Boone County. When the New England settlers arrived in what is now Boone County there was nothing but a dense virgin forest and wild prairie. In the late 1870s immigrants began arriving from Germany and Ireland.

Geography

According to the U.S. Census Bureau, the county has a total area of 282 square miles (730 km2), of which 281 square miles (730 km2) is land and 1.3 square miles (3.4 km2) (0.5%) is water.

Adjacent counties

Major highways

Logan Avenue county route 40 Genoa Road (T-40) Garden Prairie Road county route 41 Poplar Grove Road county route 32 Capron Road (T-41)

Climate and weather

Weather chart for Belvidere, Illinois
J F M A M J J A S O N D
 
 
1.5
 
28
11
 
 
1.3
 
33
16
 
 
2.4
 
45
26
 
 
3.7
 
59
37
 
 
4.1
 
71
47
 
 
4.6
 
81
57
 
 
3.9
 
85
62
 
 
4.5
 
82
60
 
 
3.3
 
75
51
 
 
2.6
 
63
39
 
 
2.7
 
47
29
 
 
2
 
33
17
temperatures in °F
precipitation totals in inches
source: The Weather Channel

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.

Demographics

USA Boone County, Illinois age pyramid
2000 census age pyramid for Boone County.
Historical population
Census Pop.
1840 1,705
1850 7,624 347.2%
1860 11,678 53.2%
1870 12,942 10.8%
1880 11,508 −11.1%
1890 12,203 6.0%
1900 15,791 29.4%
1910 15,481 −2.0%
1920 15,322 −1.0%
1930 15,078 −1.6%
1940 15,202 0.8%
1950 17,070 12.3%
1960 20,326 19.1%
1970 25,440 25.2%
1980 28,630 12.5%
1990 30,806 7.6%
2000 41,786 35.6%
2010 54,165 29.6%
2019 (est.) 53,544 −1.1%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

As of the 2010 United States Census, there were 54,165 people, 18,505 households, and 14,273 families residing in the county. The population density was 193.0 inhabitants per square mile (74.5/km2). There were 19,970 housing units at an average density of 71.1 per square mile (27.5/km2). The racial makeup of the county was 84.4% white, 2.0% black or African American, 1.3% Asian, 0.4% American Indian, 9.3% from other races, and 2.6% from two or more races. Those of Hispanic or Latino origin made up 20.2% of the population. In terms of ancestry, 25.6% were German, 13.7% were Irish, 9.2% were English, 8.6% were American, 7.7% were Italian, 7.1% were Swedish, and 5.0% were Polish.

Of the 18,505 households, 41.5% had children under the age of 18 living with them, 61.6% were married couples living together, 10.2% had a female householder with no husband present, 22.9% were non-families, and 18.9% of all households were made up of individuals. The average household size was 2.91 and the average family size was 3.32. The median age was 36.8 years.

The median income for a household in the county was $61,210 and the median income for a family was $69,380. Males had a median income of $53,581 versus $34,651 for females. The per capita income for the county was $26,105. About 7.9% of families and 10.4% of the population were below the poverty line, including 15.3% of those under age 18 and 5.0% of those age 65 or over.

Communities

Cities

Villages

Census-designated places

Townships

Boone County is divided into these nine townships:

  • Belvidere
  • Bonus
  • Boone
  • Caledonia
  • Flora
  • Leroy
  • Manchester
  • Poplar Grove
  • Spring

Education

  • 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
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