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Peoria County, Illinois

Coordinates: 40°47′N 89°46′W / 40.79°N 89.76°W / 40.79; -89.76
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Peoria County
County
Courthouse Square in Peoria
Courthouse Square in Peoria
Official seal of Peoria County
Seal
Map of Illinois highlighting Peoria 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°47′N 89°46′W / 40.79°N 89.76°W / 40.79; -89.76
Country United States
State Illinois
Founded1825
Named forPeoria tribe
SeatPeoria
Largest cityPeoria
Area
 • Total
631 sq mi (1,630 km2)
 • Land619 sq mi (1,600 km2)
 • Water11 sq mi (30 km2)  1.8%
Population
 (2010)
 • Total
186,494
 • Density301/sq mi (116/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional districts17th, 18th
Websitewww.co.peoria.il.us

Peoria County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 186,494.[1] Its county seat is Peoria.[2]

Peoria County is part of the Peoria, IL Metropolitan Statistical Area.

History

Peoria County was formed in 1825 out of Fulton County. It was named for the Peoria, an Illiniwek people who lived there. It included most of the western valley of the Illinois River up to the Chicago river portage.

  • Peoria County for the first year after its creation, including a large tract of unorganized territory temporarily attached to it.[3]
    Peoria County for the first year after its creation, including a large tract of unorganized territory temporarily attached to it.[3]
  • Peoria County between 1826 and 1827. The newly created Mercer and Warren Counties were temporarily attached to Peoria until county governments could be organized.[3]
    Peoria County between 1826 and 1827. The newly created Mercer and Warren Counties were temporarily attached to Peoria until county governments could be organized.[3]
  • Peoria County between 1827 and 1830. The creation of Tazewell County left Peoria with only a small tract of unorganized territory east of the Illinois River, whose border was not defined.
    Peoria County between 1827 and 1830. The creation of Tazewell County left Peoria with only a small tract of unorganized territory east of the Illinois River, whose border was not defined.
  • In 1830, Warren County organized a government.
    In 1830, Warren County organized a government.
  • In 1831, Peoria County's present borders were established and Mercer County was attached to Warren.
    In 1831, Peoria County's present borders were established and Mercer County was attached to Warren.

Geography

According to the U.S. Census Bureau, the county has a total area of 631 square miles (1,630 km2), of which 619 square miles (1,600 km2) is land and 11 square miles (28 km2) (1.8%) is water.[4] The county is drained by Spoon River, Kickapoo Creek, Elbow Creek, and Copperas Creek.[5]

Climate and weather

Peoria, Illinois
Climate chart (explanation)
J
F
M
A
M
J
J
A
S
O
N
D
 
 
1.5
 
 
31
14
 
 
1.7
 
 
37
20
 
 
2.8
 
 
49
30
 
 
3.6
 
 
62
40
 
 
4.2
 
 
73
51
 
 
3.8
 
 
82
60
 
 
4
 
 
86
65
 
 
3.2
 
 
84
63
 
 
3.1
 
 
77
54
 
 
2.8
 
 
64
42
 
 
3
 
 
49
31
 
 
2.4
 
 
35
20
█ Average max. and min. temperatures in °F
█ Precipitation totals in inches
Source: The Weather Channel[6]
Metric conversion
J
F
M
A
M
J
J
A
S
O
N
D
 
 
38
 
 
−1
−10
 
 
42
 
 
3
−7
 
 
72
 
 
9
−1
 
 
90
 
 
17
4
 
 
106
 
 
23
11
 
 
98
 
 
28
16
 
 
102
 
 
30
18
 
 
80
 
 
29
17
 
 
79
 
 
25
12
 
 
70
 
 
18
6
 
 
76
 
 
9
−1
 
 
61
 
 
2
−7
█ Average max. and min. temperatures in °C
█ Precipitation totals in mm

In recent years, average temperatures in the county seat of Peoria have ranged from a low of 14 °F (−10 °C) in January to a high of 86 °F (30 °C) in July, although a record low of −27 °F (−33 °C) was recorded in January 1884 and a record high of 113 °F (45 °C) was recorded in July 1936. Average monthly precipitation ranged from 1.50 inches (38 mm) in January to 4.17 inches (106 mm) in May.[6]

Adjacent counties

Transportation

Major highways

Defunct highways

Airports

The following public-use airports are located in the county:[7]

Demographics

Historical population
CensusPop.Note%±
18406,153—
185017,547185.2%
186036,601108.6%
187047,54029.9%
188055,35516.4%
189070,37827.1%
190088,60825.9%
1910100,25513.1%
1920111,71011.4%
1930141,34426.5%
1940153,3748.5%
1950174,34713.7%
1960189,0448.4%
1970195,3183.3%
1980200,4662.6%
1990182,827−8.8%
2000183,4330.3%
2010186,4941.7%
2014 (est.)187,319[8]0.4%
U.S. Decennial Census[9]
1790-1960[10] 1900-1990[11]
1990-2000[12] 2010-2013[1]

As of the 2010 United States Census, there were 186,494 people, 75,793 households, and 47,248 families residing in the county.[13] The population density was 301.2 inhabitants per square mile (116.3/km2). There were 83,034 housing units at an average density of 134.1 per square mile (51.8/km2).[4] The racial makeup of the county was 74.4% white, 17.7% black or African American, 3.1% Asian, 0.3% American Indian, 1.6% from other races, and 2.8% from two or more races. Those of Hispanic or Latino origin made up 3.8% of the population.[13] In terms of ancestry, 28.3% were German, 14.8% were Irish, 10.4% were English, and 5.5% were American.[14]

Of the 75,793 households, 30.5% had children under the age of 18 living with them, 44.1% were married couples living together, 14.1% had a female householder with no husband present, 37.7% were non-families, and 31.0% of all households were made up of individuals. The average household size was 2.39 and the average family size was 3.00. The median age was 36.8 years.[13]

The median income for a household in the county was $49,747 and the median income for a family was $63,163. Males had a median income of $51,246 versus $32,881 for females. The per capita income for the county was $28,157. About 10.3% of families and 14.5% of the population were below the poverty line, including 21.8% of those under age 18 and 7.8% of those age 65 or over.[15]

Points of interest

See also: Peoria, Illinois § Points of interest

Communities

Cities

Villages

Census-designated places

Unincorporated communities

Townships

Notable residents

See also: List of people from Peoria, Illinois

People from Peoria County other than in the city of Peoria:

See also

References

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved July 8, 2014.
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07.
  3. ^ a b White, Jesse. Origin and Evolution of Illinois Counties. State of Illinois, March 2010. [1]
  4. ^ a b "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Retrieved 2015-07-12.
  5. ^ Ripley, George; Dana, Charles A., eds. (1879). "Peoria, a N. central county of Illinois" . The American Cyclopædia.
  6. ^ a b "Monthly Averages for Peoria, Illinois". The Weather Channel. Retrieved 2011-01-27.
  7. ^ Public and Private Airports, Peoria County, Illinois
  8. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015.
  9. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 8, 2014.
  10. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 8, 2014.
  11. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 8, 2014.
  12. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 8, 2014.
  13. ^ a b c "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Retrieved 2015-07-12.
  14. ^ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved 2015-07-12.
  15. ^ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved 2015-07-12.

40°47′N 89°46′W / 40.79°N 89.76°W / 40.79; -89.76

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