Map of Peoria County, Illinois

Peoria County is located in the U.S. state of Illinois. The 2020 United States Census listed its population at 181,830. Its county seat is Peoria. Peoria County is part of the Peoria, IL Metropolitan Statistical Area.

Peoria County overview:
Name:Peoria County
FIPS code:17-143
State:Illinois
Founded:1825
Named for:Peoria tribe
Seat:Peoria
Largest city:Peoria
Total Area:631 sq mi (1,630 km²)
Land Area:619 sq mi (1,600 km²)
Total Population:186,494
Population Density:300/sq mi (110/km²)
Time zone:UTC−6 (Central)
Summer Time Zone (DST):UTC−5 (CDT)
Website:www.peoriacounty.org

Peoria County location map. Where is Peoria County?

Peoria County location on the U.S. Map. Where is Peoria County.
Location of Peoria County in the the United States.
Peoria County location on the Illinois map. Where is Peoria County.
Location of Peoria County in Illinois.

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.

Gallery timeline

Peoria County Road Map

Peoria CountyStreet Map.
Street map of Peoria County, Illinois. Source: OpenStreetMap (OSM)
Peoria CountyMap
Peoria Countypolitical map.

Geography

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

Climate and weather

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

Peoria County Topographic Map

Topographic Map of Peoria County, Illinois
Peoria County Topo map.

Peoria County Satellite Map

Satellite Map of Peoria County, Illinois
Peoria County satellite map.

Peoria County Outline Map

Outline Map of Peoria County, Illinois
Peoria County outline map.

See also

Map of Illinois State and its subdivision: Map of other states:
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