Will County

Will County
Teemu008 from Palatine, Illinois · CC BY-SA 2.0 · source
Name	Will County
State	Illinois
Founded	1836
Seat	Joliet
Largest city	Joliet
Area total sq mi	849
Area land sq mi	837
Area water sq mi	12
Population	690743
Census year	2020
Website	Official website

Will County Will County is a county in the U.S. state of Illinois with its county seat at Joliet, Illinois. Located in the Chicago metropolitan area, it lies between the Des Plaines River and the Kankakee River and forms part of the Northeast Illinois planning commission region. The county is tied to transportation corridors such as Interstate 55, Interstate 80, and Interstate 57 and hosts facilities like the Joliet Correctional Center and Lewis University.

History

The area forming the present county was settled during the era of Black Hawk War aftermath and early Illinois Territory development, created by an act of the Illinois General Assembly in 1836. Early European-American settlers included migrants from New England and New York (state) influenced by the Erie Canal boom; they joined existing inhabitants tied to treaties such as the Treaty of Chicago (1833) and interactions with nations from the Potawatomi confederation. The county seat, Joliet, Illinois, developed with the arrival of the Illinois and Michigan Canal and later expanded with lines of the Illinois Central Railroad and the Rock Island Line. Industrial sites grew alongside developments by companies like Commonwealth Edison and later intermodal centers connected to BNSF Railway and Union Pacific Railroad. Notable sites include Channahon State Park and historic landmarks documented by the National Register of Historic Places.

Geography

Situated in northeastern Illinois, the county occupies a landscape shaped by glaciation in North America and drained by tributaries to the Illinois River including the DuPage River and Kankakee River. It borders counties such as Cook County, Illinois, Kankakee County, Illinois, Grundy County, Illinois, and Lake County, Indiana across state lines. The county's terrain features prairies preserved by organizations like the The Nature Conservancy and includes wetlands protected under programs similar to the Migratory Bird Treaty Act. Climate is classified under the Köppen climate classification as humid continental, with weather influenced by systems tracked by the National Weather Service and snowfall patterns similar to those recorded at the O'Hare International Airport climatology station.

Demographics

Census figures published by the United States Census Bureau show population growth trends echoing suburban expansion from Chicago, Illinois and migration patterns comparable to those studied by the Pew Research Center. The county's population includes diverse ancestries such as German Americans, Irish Americans, Polish Americans, Mexican Americans, and communities originating from India and Philippines. Socioeconomic analyses reference data comparable to studies by the Bureau of Labor Statistics and health metrics used by the Centers for Disease Control and Prevention. Residential patterns reflect influences from housing developments and zoning policies shaped by Metra commuter rail access and intermodal freight facilities associated with Chicago Region environmental and transportation agencies.

Economy

Economic drivers include logistics and distribution anchored by firms utilizing the Intermodal freight transport network, manufacturing plants historically tied to the Ford Motor Company and modern operations associated with Amazon (company) distribution centers. Retail hubs follow patterns seen at the Orland Park Town Center and regional malls connected to the International Council of Shopping Centers benchmarking. Agriculture remains significant in southern townships, producing corn and soybeans sold via channels used by the Chicago Board of Trade and processed by companies listed on the New York Stock Exchange. Economic development efforts coordinate with entities such as the Will County Center for Economic Development and regional chambers including the Joliet Chamber of Commerce.

Government and Politics

County administration operates under a board structure analogous to county commissions described in state statutes enacted by the Illinois General Assembly. Elected offices include positions comparable to those on ballots administered by the Will County Clerk and contested in races noted by the Cook County Democratic Party and Republican National Committee dynamics across the region. Law enforcement agencies collaborate with the Illinois State Police and local township sheriffs; corrections utilize facilities influenced by state policy from the Illinois Department of Corrections. Judicial matters are part of the Illinois court system with venues for civil and criminal cases held at courthouses mirroring procedures of the Seventh Circuit Court of Appeals.

Transportation

The county is a crossroads for major national routes: Interstate 55, Interstate 80, and Interstate 57 intersect with state highways such as U.S. Route 30 and U.S. Route 6. Passenger rail service is provided by Metra lines connecting to Chicago Union Station and intercity connections via Amtrak at nearby stations. Air transport access includes Midway International Airport and Chicago Rockford International Airport for regional flights, while general aviation uses fields like Joliet Regional Airport. Freight traffic is heavy on corridors served by BNSF Railway and Union Pacific Railroad intermodal yards, and highway freight movements are monitored by the Federal Highway Administration.

Communities and Education

Municipalities include Joliet, Illinois, Aurora, Illinois (partial), Naperville, Illinois (partial), Plainfield, Illinois, Bolingbrook, Illinois, and Romeoville, Illinois. Townships such as Lockport Township and New Lenox Township host local governance functions similar to those in other Illinois counties. Higher education institutions include Lewis University and satellite campuses of systems like the College of DuPage and Joliet Junior College. K–12 public education is served by districts comparable to Plainfield Community Consolidated School District 202 and Joliet Township High School District 204, with private schools affiliated with religious organizations like the Roman Catholic Diocese of Joliet in Illinois. Recreational and cultural venues range from the Rialto Square Theatre to parks managed in partnership with the Illinois Department of Natural Resources.

Category:Counties in Illinois