Carroll County, Illinois

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Carroll County, Illinois
CARROLL COUNTY COURTHOUSE.jpg
Carroll County Courthouse
Map of Illinois highlighting Carroll County
Location in the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location in the U.S.
Founded 1839
Named for Charles Carroll
Seat Mount Carroll
Largest city Savanna
Area
 • Total 466 sq mi (1,207 km2)
 • Land 445 sq mi (1,153 km2)
 • Water 22 sq mi (57 km2), 4.6%
Population
 • (2010) 15,387
 • Density 35/sq mi (14/km²)
Congressional district 17th
Time zone Central: UTC-6/-5
Website visitcarrollcountyil.com

Carroll County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 15,387.[1] Its county seat is Mount Carroll.[2]

History

Carroll County was formed in 1839 out of Jo Daviess County. The county is named for Charles Carroll who signed the Declaration of Independence.[3] Carroll, who died in 1832, was the last signer to die.

  • Carroll County at the time of its creation in 1839

Geography

According to the U.S. Census Bureau, the county has a total area of 466 square miles (1,210 km2), of which 445 square miles (1,150 km2) is land and 22 square miles (57 km2) (4.6%) is water.[4] The Mississippi Palisades State Park is in this county, just north of the city of Savanna. The Savanna Army Depot is located partly in this county.

Adjacent counties

National protected area

Major highways

Climate and weather

Mount Carroll, Illinois
Climate chart (explanation)
J F M A M J J A S O N D
 
 
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46
 
 
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34
14
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 Mount Carroll have ranged from a low of 7 °F (−14 °C) in January to a high of 85 °F (29 °C) in July, although a record low of −31 °F (−35 °C) was recorded in January 1910 and a record high of 108 °F (42 °C) was recorded in July 1936. Average monthly precipitation ranged from 1.43 inches (36 mm) in January to 4.77 inches (121 mm) in June.[5]

Demographics

2000 census age pyramid for Carroll County.
Historical population
Census Pop. %±
1840 1,023 —
1850 4,586 348.3%
1860 11,733 155.8%
1870 16,705 42.4%
1880 16,976 1.6%
1890 18,320 7.9%
1900 18,963 3.5%
1910 18,035 −4.9%
1920 19,345 7.3%
1930 18,433 −4.7%
1940 17,987 −2.4%
1950 18,976 5.5%
1960 19,507 2.8%
1970 19,276 −1.2%
1980 18,779 −2.6%
1990 16,805 −10.5%
2000 16,674 −0.8%
2010 15,387 −7.7%
Est. 2014 14,715 [6] −4.4%
U.S. Decennial Census[7]
1790-1960[8] 1900-1990[9]
1990-2000[10] 2010-2013[1]

As of the 2010 United States Census, there were 15,387 people, 6,622 households, and 4,343 families residing in the county.[11] The population density was 34.6 inhabitants per square mile (13.4/km2). There were 8,437 housing units at an average density of 19.0 per square mile (7.3/km2).[4] The racial makeup of the county was 96.9% white, 0.8% black or African American, 0.3% Asian, 0.3% American Indian, 0.6% from other races, and 1.1% from two or more races. Those of Hispanic or Latino origin made up 2.8% of the population.[11] In terms of ancestry, 40.4% were German, 14.0% were Irish, 11.2% were English, and 10.6% were American.[12]

Of the 6,622 households, 26.3% had children under the age of 18 living with them, 53.1% were married couples living together, 8.2% had a female householder with no husband present, 34.4% were non-families, and 29.8% of all households were made up of individuals. The average household size was 2.29 and the average family size was 2.80. The median age was 46.5 years.[11]

The median income for a household in the county was $44,805 and the median income for a family was $55,341. Males had a median income of $42,421 versus $27,552 for females. The per capita income for the county was $25,914. About 7.8% of families and 11.7% of the population were below the poverty line, including 18.4% of those under age 18 and 5.8% of those age 65 or over.[13]

Education

Communities

Cities

Villages

Townships

Carroll County is divided into these twelve townships:

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Notable people

See also

References

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  15. ↑ 'Wisconsin Blue Book 1923,' Biographical Sketch of David J. Summerville, pg. 636

External links

 Jo Daviess County Stephenson County
Jackson County, Iowa Ogle County
  Carroll County, Illinois  
Clinton County, Iowa Whiteside County

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