Peoria County, Illinois facts for kids

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Peoria County, Illinois
Seal of Peoria County, Illinois
Map
Map of Illinois highlighting Peoria County
Location in the state of Illinois
Map of the USA highlighting Illinois
Illinois's location in the U.S.
Statistics
Founded 1825
Seat Peoria
Largest City Peoria
Area
 - Total
 - Land
 - Water

631 sq mi (1,634 km²)
619 sq mi (1,603 km²)
11 sq mi (28 km²), 1.8%
Population
 - (2010)
 - Density

186,494
301/sq mi (116/km²)
Time zone Central: UTC-6/-5
Website: www.co.peoria.il.us
Named for: Peoria tribe

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

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.

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. The county is drained by Spoon River, Kickapoo Creek, Elbow Creek, and Copperas Creek.

Climate and weather

Weather chart for Peoria, Illinois
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
temperatures in °F
precipitation totals in inches
source: The Weather Channel

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.

Adjacent counties

Transportation

Major highways

  • I-74.svg Interstate 74 in Illinois
  • I-474.svg Interstate 474
  • US 24.svg U.S. Route 24 in Illinois
  • US 150.svg U.S. Route 150 in Illinois
  • Illinois 6.svg Illinois Route 6
  • Illinois 8.svg Illinois Route 8
  • Illinois 9.svg Illinois Route 9
  • Illinois 29.svg Illinois Route 29
  • Illinois 40.svg Illinois Route 40
  • Illinois 78.svg Illinois Route 78
  • Illinois 90.svg Illinois Route 90
  • Illinois 91.svg Illinois Route 91
  • Illinois 116.svg Illinois Route 116
  • Illinois Route 336 (Soon)

Defunct highways

  • Illinois 174.svg Illinois Route 174
  • Illinois 175.svg Illinois Route 175

Airports

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

  • General Wayne A. Downing Peoria International Airport (PIA), formerly Greater Peoria Regional Airport - Peoria, Illinois
  • Mount Hawley Auxiliary Airport (3MY) - Peoria, Illinois

Demographics

Historical population
Census Pop.
1840 6,153
1850 17,547 185.2%
1860 36,601 108.6%
1870 47,540 29.9%
1880 55,355 16.4%
1890 70,378 27.1%
1900 88,608 25.9%
1910 100,255 13.1%
1920 111,710 11.4%
1930 141,344 26.5%
1940 153,374 8.5%
1950 174,347 13.7%
1960 189,044 8.4%
1970 195,318 3.3%
1980 200,466 2.6%
1990 182,827 −8.8%
2000 183,433 0.3%
2010 186,494 1.7%
Est. 2015 186,221 −0.1%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

As of the 2010 United States Census, there were 186,494 people, 75,793 households, and 47,248 families residing in the county. 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). 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. In terms of ancestry, 28.3% were German, 14.8% were Irish, 10.4% were English, and 5.5% were American.

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.

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.

Points of interest

  • Glasford crater
  • Jubilee College State Park
See also: Peoria, Illinois#Points of interest

Communities

Cities

Villages

Census-designated places

Unincorporated communities

  • Lake of the Woods
  • Laura
  • Lawn Ridge
  • Mardell Manor
  • Mossville
  • North Hampton
  • Oak Hill
  • Orchard Mines
  • Pottstown
  • Renchville
  • Rome Heights
  • Smithville
  • South Rome
  • Southport
  • Trivoli
  • Tuscarora
  • Vets Row
  • Vonachen Knolls
  • West Hallock

Peoria County, Illinois Facts for Kids. Homework Help - Kiddle Encyclopedia.