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Will County, Illinois facts for kids

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Will County
Flanders House (5978683004).jpg
Midewin bison 2016-06-05 16.32.59 crop3.jpg
Flanders House in Plainfield (1840), Midewin National Tallgrass Prairie.
Map of Illinois highlighting Will County
Location within the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location within the U.S.
Country  United States
State  Illinois
Founded January 12, 1836
Named for Conrad Will
Seat Joliet
Largest city Joliet
Area
 • Total 849 sq mi (2,200 km2)
 • Land 837 sq mi (2,170 km2)
 • Water 12 sq mi (30 km2)  1.5%
Population
 (2020)
 • Total 696,355
 • Density 820.2/sq mi (316.68/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional districts 1st, 2nd, 11th, 14th

Will County is a county in the northeastern part of the state of Illinois. According to the 2020 census, it had a population of 696,355, an increase of 2.8% from 677,560 in 2010, making it Illinois's fourth-most populous county. The county seat is Joliet. Will County is one of the five collar counties of the Chicago–Naperville–Elgin, IL–IN–WI Metropolitan Statistical Area. The portion of Will County around Joliet uses area codes 815 and 779, while 630 and 331 are for far northern Will County and 708 is for central and eastern Will County.

History

Will County was formed on January 12, 1836, out of Cook and Iroquois Counties. It was named after Conrad Will, a politician and businessman involved in salt production in southern Illinois. Will was a member of the first Illinois Constitutional Convention and a member of the Illinois legislature until his death in 1835. Besides its present area, the county originally included the part of Kankakee County, Illinois, north of the Kankakee River. It lost that area when Kankakee County was organized in 1852. Since then its boundaries have not changed.

36 locations in Will County are on the National Register of Historic Places.

"WILL, a county in the E. N. E. part of Illinois, bordering on Indiana, has an area of 1,236 square miles (3,200 km2). It is intersected by the Kankakee and Des Plaines Rivers, branches of the Illinois. The surface is generally level, and destitute of timber, excepting small groves. The soil is very fertile, and much of it is under cultivation. The soil of the prairies is a deep, sandy loam, adapted to Indian corn and grass. In 1850 the county produced 527,903 bushels of Indian corn; 230,885 of wheat; 334,360 of oats; 32,043 tons of hay, and 319,054 pounds of butter. It contained 14 churches, 3 newspaper offices; 3472 pupils attending public schools, and 200 attending other schools. Quarries of building stone are worked near the county seat. The Des Plaines river furnishes water-power. The county is intersected by the Illinois and Michigan canal, by the Chicago branch of the Central railroad, the Chicago and Mississippi, and by the Chicago and Rock Island railroad. Named in honor of Conrad Will, for many years a member of the Illinois legislature. Capital, Joliet. Population 16,703."

1854 U.S. Gazetteer

Geography

According to the U.S. Census Bureau, the county has an area of 849 square miles (2,200 km2), of which 837 square miles (2,170 km2) is land and 12 square miles (31 km2) (1.5%) is water.

The Kankakee River, Du Page River and the Des Plaines River run through the county and join on its western border. The Illinois and Michigan Canal and the Chicago Sanitary and Ship Canal run through Will County.

A number of areas are preserved as parks (over 20,000 acres (81 km2) total) under the Forest Preserve District of Will County. The 17,000 acres (69 km2) Midewin National Tallgrass Prairie is a U.S. Forest Service park in the county on the grounds of the former Joliet Arsenal. Other parks include Channahon State Park and the Des Plaines Fish and Wildlife Area.

Climate and weather

Weather chart for Joliet, Illinois
J F M A M J J A S O N D
 
 
1.6
 
30
13
 
 
1.6
 
35
19
 
 
2.5
 
47
28
 
 
3.8
 
60
37
 
 
3.9
 
72
48
 
 
4.2
 
81
58
 
 
4.3
 
85
63
 
 
3.8
 
82
61
 
 
3.1
 
76
53
 
 
2.7
 
64
41
 
 
3
 
48
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 Joliet 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 −26 °F (−32 °C) was recorded in January 1985 and a record high of 104 °F (40 °C) was recorded in June 1988. Average monthly precipitation ranged from 1.58 inches (40 mm) in January to 4.34 inches (110 mm) in July.

Adjacent counties

Demographics

Historical population
Census Pop.
1840 10,167
1850 16,703 64.3%
1860 29,321 75.5%
1870 43,013 46.7%
1880 53,422 24.2%
1890 62,007 16.1%
1900 74,764 20.6%
1910 84,371 12.8%
1920 92,911 10.1%
1930 110,732 19.2%
1940 114,210 3.1%
1950 134,336 17.6%
1960 191,617 42.6%
1970 249,498 30.2%
1980 324,460 30.0%
1990 357,313 10.1%
2000 502,266 40.6%
2010 677,560 34.9%
2020 696,355 2.8%
2023 (est.) 700,728 3.4%
U.S. Decennial Census
1790–1960 1900–1990
1990–2000 2010 2020

2020 census

Will County, Illinois – Racial and ethnic composition
Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
Race / Ethnicity (NH = Non-Hispanic) Pop 2000 Pop 2010 Pop 2020 % 2000 % 2010 % 2020
White alone (NH) 388,523 455,577 418,418 77.35% 67.24% 60.09%
Black or African American alone (NH) 51,980 74,419 79,256 10.35% 10.98% 11.38%
Native American or Alaska Native alone (NH) 672 814 711 0.13% 0.12% 0.10%
Asian alone (NH) 11,021 30,458 42,416 2.19% 4.50% 6.09%
Pacific Islander alone (NH) 120 104 82 0.02% 0.02% 0.01%
Some Other Race alone (NH) 536 751 2,105 0.11% 0.11% 0.30%
Mixed Race or Multi-Racial (NH) 5,646 9,620 22,516 1.12% 1.42% 3.23%
Hispanic or Latino (any race) 43,768 105,817 130,851 8.71% 15.62% 18.79%
Total 502,266 677,560 696,355 100.00% 100.00% 100.00%

As of the 2010 Census, there were 677,560 people, 225,256 households, and 174,062 families residing in the county. The population density was 809.6 inhabitants per square mile (312.6/km2). There were 237,501 housing units at an average density of 283.8 per square mile (109.6/km2). The racial makeup of the county was 76.0% white, 11.2% black or African American, 4.6% Asian, 0.3% American Indian, 5.8% from other races, and 2.3% from two or more races. Those of Hispanic or Latino origin made up 15.6% of the population. In terms of ancestry, 21.6% were German, 18.6% were Irish, 13.3% were Polish, 11.1% were Italian, 5.9% were English, and 2.1% were American.

Of the 225,256 households, 44.0% had children under 18 living with them, 61.9% were married couples living together, 10.9% had a female householder with no husband present, 22.7% were non-families, and 18.5% of all households were made up of individuals. The average household size was 2.97 and the average family size was 3.41. The median age was 35.4.

The median income for a household in the county was $75,906 and the median income for a family was $85,488. Males had a median income of $60,867 versus $40,643 for females. The per capita income was $29,811. About 5.0% of families and 6.6% of the population were below the poverty line, including 9.0% of those under 18 and 5.6% of those 65 or older.

Education

  • Governors State University is a 6,000-student public university in University Park.
  • Lewis University is a 5,200-student four-year private university in Romeoville.
  • University of St. Francis is a 3,300-student four-year private university in Joliet.
  • The county is in Community College District 525 and is served by Joliet Junior College in Joliet. Joliet Junior College was the first two-year higher education institution in the United States.

K-12 school districts

K-12 school districts, including any with any territory in Will County, no matter how slight, even if the schools and/or administrative headquarters are in other counties:

K-12:

  • Beecher Community Unit School District 200U
  • Coal City Community Unit School District 1
  • Crete-Monee Community Unit School District 201-U
  • Indian Prairie School District 204
  • Manteno Community Unit School District 5
  • Naperville Community Unit District 203
  • Oswego Community Unit School District 308
  • Peotone Community Unit School District 207U
  • Plainfield School District 202
  • Reed Custer Community Unit School District 255U
  • Valley View Community Unit School District 365U
  • Wilmington Community Unit School District 209U

Secondary:

  • Bloom Township High School District 206
  • Joliet Township High School District 204
  • Lincoln Way Community High School District 210
  • Lockport Township High School District 205
  • Minooka Community High School District 111

Elementary:

  • Chaney-Monge School District 88
  • Channahon School District 17
  • Elwood Community Consolidated School District 203
  • Fairmont School District 89
  • Frankfort Community Consolidated School District 157C
  • Homer Community Consolidated School District 33C
  • Joliet Public School District 86
  • Laraway Community Consolidated School District 70C
  • Lockport School District 91
  • Manhattan School District 114
  • Minooka Community Consolidated School District 201
  • Mokena School District 159
  • New Lenox School District 122
  • Richland School District 88A
  • Rockdale School District 84
  • Steger School District 194;
  • Summit Hill School District 161
  • Taft School District 90
  • Troy Community Consolidated School District 30C
  • Union School District 81
  • Will County School District 92

Transportation

Will County is served by four U.S. interstate highways, four U.S. highways, and 12 Illinois highways. Pace provides bus transit services within the county.

Rail

Four different Metra commuter rail lines (Metra Electric Main Line, Southwest Service, Rock Island District and Heritage Corridor) connect Will County with the Chicago Loop. Amtrak serves the county at Joliet Transportation Center. The Lincoln Service operates between Chicago and St. Louis, while the Texas Eagle provides service from Chicago south to San Antonio and west to Los Angeles.

Major highways

  • I-55.svg Interstate 55
  • I-57.svg Interstate 57
  • I-80.svg Interstate 80
  • I-355.svg Interstate 355
  • US 6.svg U.S. Highway 6
  • US 30.svg U.S. Highway 30
  • US 45.svg U.S. Highway 45
  • US 52.svg U.S. Highway 52
  • US 66 (historic).svg U.S. Highway 66
  • Illinois 1.svg Illinois Route 1
  • Illinois 7.svg Illinois Route 7
  • Illinois 43.svg Illinois Route 43
  • Illinois 50.svg Illinois Route 50
  • Illinois 53.svg Illinois Route 53
  • Illinois 59.svg Illinois Route 59
  • Illinois 102.svg Illinois Route 102
  • Illinois 113.svg Illinois Route 113
  • Illinois 126.svg Illinois Route 126
  • Illinois 129.svg Illinois Route 129
  • Illinois 171.svg Illinois Route 171
  • Illinois 394.svg Illinois Route 394

Energy infrastructure

Pipelines

Will County is a major hub in the national natural gas pipeline grid where pipelines from Canada and the Gulf of Mexico meet and then fan out to serve the Midwest. The following major energy companies own pipeline that runs through Will County:

  • Alliance Pipeline
  • Enbridge
  • Integrys Energy Group
    • Peoples Gas
  • Kinder Morgan Interstate Gas Transmission
  • TransCanada
    • ANR Pipeline - Fully owned & operated
    • Northern Border Pipeline - Partially owned & fully operated
  • Vector Pipeline

Joliet Refinery

ExxonMobil owns and operates the Joliet Refinery along the Des Plaines River just east of I-55. According to ExxonMobil, the refinery employs about 600 people and was constructed in 1972.

Municipalities

Cities

Villages

Census-designated places

Fort

Townships

  • Channahon
  • Crete
  • Custer
  • DuPage
  • Florence
  • Frankfort
  • Green Garden
  • Homer
  • Jackson
  • Joliet
  • Lockport
  • Manhattan
  • Monee
  • New Lenox
  • Peotone
  • Plainfield
  • Reed
  • Troy
  • Washington
  • Wesley
  • Wheatland
  • Will
  • Wilmington
  • Wilton

See also

Kids robot.svg In Spanish: Condado de Will para niños

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