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Knox County, Illinois

Coordinates: 40°56′N 90°13′W / 40.93°N 90.21°W / 40.93; -90.21
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Knox County
County
Knox County Courthouse
Knox County Courthouse
Map of Illinois highlighting Knox County
Location within the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location within the U.S.
Coordinates: 40°56′N 90°13′W / 40.93°N 90.21°W / 40.93; -90.21
Country United States
State Illinois
Founded1825
Named forHenry Knox
SeatGalesburg
Largest cityGalesburg
Area
 • Total
720 sq mi (1,900 km2)
 • Land716 sq mi (1,850 km2)
 • Water3.4 sq mi (9 km2)  0.5%
Population
 (2010)
 • Total
52,919
 • Density74/sq mi (29/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district17th
Websitewww.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.[1] Its county seat is Galesburg.[2]

Knox County comprises the Galesburg, IL Micropolitan Statistical Area.

History

Knox County was named in honor of Henry Knox, the first US Secretary of War.[3]

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.

  • Knox County between its creation in 1825 and 1831
    Knox County between its creation in 1825 and 1831
  • Knox County between 1831 and 1839
    Knox County between 1831 and 1839
  • Knox County in 1839, when it was reduced slightly to its current size
    Knox County in 1839, when it was reduced slightly to its current size

Geography

According to the U.S. Census Bureau, the county has a total area of 720 square miles (1,900 km2), of which 716 square miles (1,850 km2) is land and 3.4 square miles (8.8 km2) (0.5%) is water.[4]

Climate and weather

Galesburg, Illinois
Climate chart (explanation)
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1.4
 
 
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1.6
 
 
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2.5
 
 
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2.7
 
 
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2.3
 
 
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█ Average max. and min. temperatures in °F
█ Precipitation totals in inches
Source: The Weather Channel[5]
Metric conversion
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36
 
 
−2
−11
 
 
39
 
 
2
−7
 
 
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9
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23
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27
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111
 
 
29
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103
 
 
28
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89
 
 
24
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64
 
 
17
6
 
 
69
 
 
8
−1
 
 
58
 
 
1
−7
█ Average max. and min. temperatures in °C
█ Precipitation totals in mm

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.[5]

Major highways

Adjacent counties

Demographics

2000 census age pyramid for Knox County
Historical population
CensusPop.Note%±
1830274—
18407,0602,476.6%
185013,27988.1%
186028,663115.9%
187039,52237.9%
188038,344−3.0%
189038,7521.1%
190043,61212.5%
191046,1595.8%
192046,7271.2%
193051,3369.9%
194052,2501.8%
195054,3664.0%
196061,28012.7%
197061,2800.0%
198061,6070.5%
199056,393−8.5%
200055,836−1.0%
201052,919−5.2%
2014 (est.)52,069[6]−1.6%
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 52,919 people, 21,535 households, and 13,324 families residing in the county.[11] The population density was 73.9 inhabitants per square mile (28.5/km2). There were 24,077 housing units at an average density of 33.6 per square mile (13.0/km2).[4] The racial makeup of the county was 87.5% white, 7.2% black or African American, 0.6% Asian, 0.2% American Indian, 1.9% from other races, and 2.5% from two or more races. Those of Hispanic or Latino origin made up 4.8% of the population.[11] In terms of ancestry, 23.1% were German, 14.9% were Irish, 11.7% were English, 11.6% were Swedish, and 8.0% were American.[12]

Of the 21,535 households, 27.2% had children under the age of 18 living with them, 45.7% were married couples living together, 11.9% had a female householder with no husband present, 38.1% were non-families, and 32.3% of all households were made up of individuals. The average household size was 2.27 and the average family size was 2.84. The median age was 42.0 years.[11]

The median income for a household in the county was $39,545 and the median income for a family was $51,740. Males had a median income of $42,067 versus $25,380 for females. The per capita income for the county was $20,908. About 10.9% of families and 15.5% of the population were below the poverty line, including 24.7% of those under age 18 and 7.3% of those age 65 or over.[13]

Communities

Cities

Villages

Unincorporated communities

Townships

Knox County is divided into twenty-one townships:

See also

References

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved July 6, 2014.
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07.
  3. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Government Printing Office. p. 177.
  4. ^ a b "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Retrieved 2015-07-12.
  5. ^ a b "Monthly Averages for Galesburg, Illinois". The Weather Channel. Retrieved 2011-01-27.
  6. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015.
  7. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 6, 2014.
  8. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 6, 2014.
  9. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 6, 2014.
  10. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 6, 2014.
  11. ^ a b c "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Retrieved 2015-07-12.
  12. ^ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved 2015-07-12.
  13. ^ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved 2015-07-12.

Further reading

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

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