Knox County, Illinois

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Knox County, Illinois
Knox County Courthouse (Illinois) 1981.jpg
Knox County Courthouse
Map of Illinois highlighting Knox County
Location in the state of Illinois
Map of the United States highlighting Illinois
Illinois's location in the U.S.
Founded 1825
Named for Henry Knox
Seat Galesburg
Largest city Galesburg
Area
 • Total 719.81 sq mi (1,864 km2)
 • Land 716.40 sq mi (1,855 km2)
 • Water 3.42 sq mi (9 km2), 0.48%
Population
 • (2010) 52,919
 • Density 78/sq mi (30/km²)
Congressional district 17th
Time zone Central: UTC-6/-5
Website www.knoxcountyil.com

Knox County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 52,919, which is a decrease of 5.2% from 55,836 in 2000.[1] Its county seat is Galesburg.[2]

Knox County is part of the Galesburg Micropolitan Statistical Area.

History[edit]

Knox County was named in honor of Henry Knox, the first US Secretary of War.

The first "Knox County" in what today is Illinois was unrelated to the modern incarnation. In 1790, the land of the Indiana Territory that was to become Illinois was divided into two counties: St. Clair and Knox. The latter included land in what was to become Indiana. When Knox County, Indiana, was formed from this portion of the county in 1809, the Illinois portions were subdivided into counties that were given other names.

The modern Knox County, Illinois, was organized in 1825, from Fulton County, itself a portion of the original St. Clair County.

Like its neighbor to the south, Fulton County, for its Spoon River Drive, Knox County is also known for a similar scenic drive fall festival the first two weekends in October, the Knox County Drive.

Geography[edit]

According to the 2010 census, the county has a total area of 719.81 square miles (1,864.3 km2), of which 716.40 square miles (1,855.5 km2) (or 99.53%) is land and 3.42 square miles (8.9 km2) (or 0.48%) is water.[3]

Major highways[edit]

Adjacent counties[edit]

Cities and towns[edit]

Unincorporated communities[edit]

Townships[edit]

Knox County is divided into twenty-one townships:

Demographics[edit]

2000 census age pyramid for Knox County
Historical population
Census Pop.
1830 274
1840 7,060 2,476.6%
1850 13,279 88.1%
1860 28,663 115.9%
1870 39,522 37.9%
1880 38,344 −3.0%
1890 38,752 1.1%
1900 43,612 12.5%
1910 46,159 5.8%
1920 46,727 1.2%
1930 51,336 9.9%
1940 52,250 1.8%
1950 54,366 4.0%
1960 61,280 12.7%
1970 61,280 0.0%
1980 61,607 0.5%
1990 56,393 −8.5%
2000 55,836 −1.0%
2010 52,919 −5.2%
Est. 2012 52,247 −1.3%
U.S. Decennial Census[4]
2012 Estimate[5]

As of the census[6] of 2000, there were 55,836 people, 22,056 households, and 14,424 families residing in the county. The population density was 78 people per square mile (30/km²). There were 23,717 housing units at an average density of 33 per square mile (13/km²). The racial makeup of the county was 89.86% White, 6.29% Black or African American, 0.19% Native American, 0.69% Asian, 0.01% Pacific Islander, 1.57% from other races, and 1.39% from two or more races. 3.40% of the population were Hispanic or Latino of any race. 19.0% were of German, 14.1% American, 12.5% Swedish, 11.5% Irish and 10.9% English ancestry according to Census 2000. 96.5% spoke English and 2.4% Spanish as their first language.

There were 22,056 households out of which 27.70% had children under the age of 18 living with them, 51.40% were married couples living together, 10.60% had a female householder with no husband present, and 34.60% were non-families. 29.60% of all households were made up of individuals and 14.10% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 2.87.

In the county, the population was spread out with 22.00% under the age of 18, 9.80% from 18 to 24, 26.50% from 25 to 44, 24.10% from 45 to 64, and 17.50% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 99.20 males. For every 100 females age 18 and over, there were 96.60 males.

The median income for a household in the county was $35,407, and the median income for a family was $44,010. Males had a median income of $32,151 versus $21,662 for females. The per capita income for the county was $17,985. About 7.70% of families and 11.10% of the population were below the poverty line, including 16.80% of those under age 18 and 6.00% of those age 65 or over.

Climate and weather[edit]

Galesburg, Illinois
Climate chart (explanation)
J F M A M J J A S O N D
 
 
1.4
 
29
13
 
 
1.6
 
35
19
 
 
2.8
 
48
29
 
 
3.8
 
61
40
 
 
4
 
73
51
 
 
4.2
 
81
61
 
 
4.4
 
85
65
 
 
4.1
 
82
63
 
 
3.5
 
75
55
 
 
2.5
 
63
43
 
 
2.7
 
47
31
 
 
2.3
 
33
19
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel[7]

In recent years, average temperatures in the county seat of Galesburg have ranged from a low of 13 °F (−11 °C) in January to a high of 85 °F (29 °C) in July, although a record low of −25 °F (−32 °C) was recorded in January 1982 and a record high of 102 °F (39 °C) was recorded in July 1983. Average monthly precipitation ranged from 1.41 inches (36 mm) in January to 4.37 inches (111 mm) in July.[7]

See also[edit]

Footnotes[edit]

  1. ^ "Knox County QuickFacts". United States Census Bureau. Retrieved 2011-11-05. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ "Census 2010 U.S. Gazetteer Files: Counties". United States Census. Retrieved 2011-11-05. 
  4. ^ "U.S. Decennial Census". Census.gov. Retrieved July 27, 2013. 
  5. ^ "Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2012". Census.gov. Retrieved July 27, 2013. 
  6. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 
  7. ^ a b "Monthly Averages for Galesburg, Illinois". The Weather Channel. Retrieved 2011-01-27. 

Further reading[edit]

External links[edit]

Coordinates: 40°56′N 90°13′W / 40.93°N 90.21°W / 40.93; -90.21