DuPage County is a county in the U.S. state of Illinois, and one of the collar counties of the Chicago metropolitan area. As of the 2020 census, the population was 932,877, making it Illinois' second-most populous county. Its county seat is Wheaton.
Cook County is the most populous county in the U.S. state of Illinois and the second-most-populous county in the United States, after Los Angeles County, California. More than 40 percent of all residents of Illinois live within Cook County. As of 2020, the population was 5,275,541. The county seat is Chicago, the most populous city in Illinois and the third most populous city in the United States. The county is at the center of the Chicago metropolitan area.
Coles County is a county in Illinois. As of the 2020 census, the population was 46,863. Its county seat is Charleston, which is also the home of Eastern Illinois University.
Burr Ridge is a village in Cook and DuPage counties in the U.S. state of Illinois. Per the 2020 census, the population was 11,192.
Hinsdale is a village in Cook and DuPage counties in the U.S. state of Illinois. Hinsdale is a western suburb of Chicago. The population was 17,395 at the 2020 census, most of whom lived in DuPage County.
Oak Brook is a village in DuPage County, Illinois, United States. The population was 8,163 at the 2020 census.
Lisle is a village in DuPage County, Illinois, United States. The population was 22,390 at the 2010 census, and in 2019 the population was recorded to be 23,270. It is part of the Chicago metropolitan area and the Illinois Technology and Research Corridor. It is also the headquarters of the Nuclear Regulatory Commission Region III.
Addison Township is one of nine townships in DuPage County, Illinois, USA. As of the 2020 census, its population was 88,351 and it contained 32,306 housing units.
Hinsdale Central High School, or HCHS is a public four-year high school located at the corner of W. 55th St. and S. Grant St. in Hinsdale, Illinois, a western suburb of Chicago, Illinois, in the United States. Founded in 1879, the school is well known for its large spending per student, academic excellence, and athletic programs. It is part of Hinsdale Township High School District No. 86, which also includes Hinsdale South High School. The school is 17 miles west of Chicago and serves a suburban residential area of approximately 35,000 people. The Central campus draws its students from all of the village of Hinsdale, majority of Clarendon Hills and Oak Brook, and small parts of Burr Ridge, Darien, Willowbrook and Westmont.
The Illinois Technology and Research Corridor is a region of commerce and industry located along Interstate 88 in the Chicago metropolitan area, primarily in Cook, DuPage, Kane, and DeKalb Counties. The corridor is home to the headquarters or regional centers for many Fortune 1000 companies, several office and industrial parks, colleges and universities, research and scientific institutions, medical centers, government centers, and abundant shopping, dining, lodging, and entertainment amenities. In addition to the I-90 Golden Corridor, the I-94 Lakeshore Corridor, and the I-55 Industrial Corridor, the Illinois Technology and Research Corridor is one of the principal economic centers in suburban Chicago.
Illinois's 6th congressional district covers parts of Cook and DuPage counties. It has been represented by Democrat Sean Casten since 2019.
The Forest Preserve District of DuPage County is a governmental agency headquartered in Wheaton, Illinois, United States. Its mission is to acquire and hold lands containing forests, prairies, wetlands, and associated plant communities or lands capable of being restored to such natural conditions for the purpose of protecting and preserving the flora, fauna and scenic beauty for the education, pleasure and recreation of the citizens of DuPage County.
Roscoe Harold Zook was an American architect best known for his work in suburban Chicago, Illinois. He received a degree in architecture from the Armour Institute of Technology in 1914. In 1916, Zook married his first wife, Mildred Barnard. They divorced in the late 1930s. They had one son, Harold Barnard Zook, who followed in his father's footsteps to become an architect in Corona del Mar, California. In the early 1940s, Zook married his second wife, Florence (Barkey) Nissen, whom he met through mutual friends. Zook died in April 1949, just short of his 60th birthday.
The 4th congressional district of Illinois includes part of Cook County, and has been represented by Democrat Jesús "Chuy" García since January 2019.
The Graue Mill is a water-powered grist mill that was originally erected in 1852. Now a museum, it is one of two operating water-powered gristmills in Illinois. It is located on Salt Creek in Oak Brook, Illinois, owned and operated by the Forest Preserve District of DuPage County.
Proviso Township is one of 29 townships in Cook County, Illinois, United States. As of the 2020 census, its population was 151,209. It was organized in 1850 and originally named "Taylor", but shortly afterward its name was changed to make reference to the Wilmot Proviso, a contemporary piece of legislation intended to stop the spread of slavery.
Downers Grove Township is one of nine townships in DuPage County, Illinois, US. As of the 2020 census, its population was 149,921 and it contained 61,933 housing units. It is the largest township in the county, both in terms of area and population.
York Township is one of nine townships in DuPage County, Illinois, USA. As of the 2020 census, its population was 128,425 and it contained 53,543 housing units.
York Center is an unincorporated community in York Township, DuPage County, Illinois, United States. York Center is located by Meyers Road and 16th Street, near the southern border of Lombard, and the western border of Oakbrook Terrace. York Center has an elementary school, established in 1958, and a fire protection district, which covers unincorporated areas of Lombard, Villa Park, Oak Brook, and Oakbrook Terrace.
Mammoth Spring or Mammoth Springs is a water spring in York Township, DuPage County, Illinois, United States. It was used from 1861 to the early 20th century; the spot is now on the property of the DoubleTree hotel in Oak Brook near Elmhurst, Illinois.
