Lake County is a county located in the northeastern corner of the U.S. state of Illinois, along the shores of Lake Michigan. As of the 2020 census, it has a population of 714,342, making it the third-most populous county in Illinois. Its county seat is Waukegan, the tenth-largest city in Illinois. The county is primarily suburban, with some urban areas and some rural areas. Due to its location, immediately north of Cook County, Lake County is one of the collar counties of the Chicago metropolitan area. Its northern boundary is the Wisconsin state line.
Kane County is a county in the U.S. state of Illinois. According to the 2020 census, it has a population of 516,522, making it the fifth-most populous county in Illinois. Its county seat is Geneva, and its largest city is Aurora. Kane County is one of the collar counties of the metropolitan statistical area designated "Chicago–Naperville–Elgin, IL–IN–WI" by the US census.
Barrington Hills is a village located about 40 miles (64 km) northwest of Chicago in the U.S. state of Illinois. Per the 2020 census, the population was 4,114. It straddles approximately 29 square miles (75 km2) over four counties, Cook, Kane, Lake, and McHenry. The Village of Barrington Hills was incorporated in 1957.
Algonquin is a village in McHenry and Kane counties, Illinois, in the United States. It is a suburb of Chicago, located approximately 40 miles (64 km) northwest of the Loop. As of the 2020 census, the village's population was 29,700.
Carpentersville is a village in Kane County, Illinois, United States. The population was 37,983 at the 2020 census. It is part of the Chicago metropolitan area.
Fox River Grove (FRG) is a village in Algonquin Township, McHenry County and Cuba Township, Lake County, Illinois, United States. As per 2020 census, the population was 4,702. In 1919, the village of Fox River Grove was officially incorporated, becoming the ninth village in McHenry County. The Grove is situated along the southern shore of the Fox River.
The Chicago metropolitan area, also referred to as Chicagoland, is the largest metropolitan statistical area in the U.S. state of Illinois, and the Midwest, containing the City of Chicago along with its surrounding suburbs and satellite cities. Encompassing 10,286 square mi (28,120 km2), the metropolitan area includes the city of Chicago, its suburbs and hinterland, that span 13 counties across northeast Illinois and northwest Indiana. The MSA had a 2020 census population of 9,618,502 and the combined statistical area, which spans 19 counties and additionally extends into southeast Wisconsin, had a population of nearly 10 million people. The Chicago area is the third-largest metropolitan area in the United States and the fourth-largest metropolitan area in North America, and the largest in the Great Lakes megalopolis. Its urban area is one of the 40 largest in the world.
Area codes 630 and 331 are telephone area codes in the North American Numbering Plan (NANP) for portions of Chicago's near and far western suburbs, including the majority of DuPage County, Illinois. To the northwest, the numbering plan area (NPA) also includes a small portion of Cook County, including parts of Schaumburg, Streamwood and Hanover Park. To the west, Kane County is divided between area codes 847 and 224 in the north, including Elgin, and area codes 630 and 331 in the south, including Aurora. To the south, the northern part of Will County and a small part of southern Cook County, including the village of Burr Ridge and parts of the village of Lemont, are also included in the 630 and 331 area codes. To the southwest, the city of Yorkville, in exurban Kendall County, is included, as well.
Area codes 708 and 464 are telephone area codes in the North American Numbering Plan (NANP) for the southern and western suburbs of Chicago in the U.S. state of Illinois. The numbering plan area comprises most of western and southern Cook County, and eastern and southern Will County.
The Fox Valley—also commonly known as the Fox River Valley—is a region centered on the Fox River of Northern Illinois, along the western edges of the Chicago metropolitan area. The region extends from the village of Antioch, in far northern Illinois, to the city of Ottawa in the south. It includes rural areas, suburban development, and 19th-century downtowns. Around 1 million people live in this area.
The North Suburban Conference (NSC) is an extra-curricular conference of eight high schools located in Lake County, Illinois, in the northern suburbs of Chicago. All of the schools are members of the Illinois High School Association (IHSA).
Illinois's 6th congressional district covers parts of Cook and DuPage counties. It has been represented by Democrat Sean Casten since 2019.
The 8th congressional district of Illinois is a congressional district in the U.S. state of Illinois that has been represented by Democrat Raja Krishnamoorthi since 2017.
The 5th congressional district of Illinois covers parts of Cook and Lake counties, as of the 2023 redistricting which followed the 2010 census. All or parts of Chicago, Inverness, Arlington Heights, Barrington Hills, Des Plaines, Palatine, Mount Prospect, Deer Park, Kildeer, Lake Zurich, Long Grove, and North Barrington are included.
The 9th congressional district of Illinois covers parts of Cook, Lake, and McHenry counties as of the 2021 redistricting which followed the 2020 census. It includes all or parts of Chicago, Evanston, Glenview, Skokie, Morton Grove, Niles, Northfield, Prospect Heights, Wilmette, Buffalo Grove, Hawthorn Woods, Wauconda, Island Lake, Long Grove, Lake Barrington, Algonquin Township, Cary, Crystal Lake, Lake in the Hills, Lakewood, Oakwood Hills, Trout Valley, Algonquin, Port Barrington, Barrington Hills, and Fox River Grove. It is anchored in Chicago's North Side, along Lake Michigan, and covers many of Chicago's northern suburbs. Democrat Jan Schakowsky has represented the district since January 1999.
The 10th congressional district of Illinois lies in the northeast corner of the state and mostly comprises northern suburbs of Chicago. It was created after the 1860 census. The district is currently represented by Democrat Brad Schneider.
The Golden Corridor is the area around the Jane Addams Memorial Tollway, formerly known as the Northwest Tollway, in the Chicago metropolitan area. Its name refers to the "gold" mine of economic profit for communities in the area. Several Fortune 500 company headquarters, office parks, industrial parks, exhibition and entertainment centers, medical facilities, hotels, shopping centers, and restaurants are in the Golden Corridor. With the exception of the O'Hare area of Chicago, all the communities in this region are part of a larger region known as the "Northwest Suburbs".
Lake Cook Road is a major east–west highway in Cook, Lake, McHenry, and Kane Counties in Illinois. For much of its length, it marks the border between Cook and Lake Counties, hence the name of the road. In its western stretch, it marks the border between McHenry and Cook Counties, and further west, McHenry and Kane Counties. The road is approximately 25.5 miles (41.0 km) in length, from its western terminus at Illinois Route 62 in Algonquin to its eastern terminus at Sheridan Road in Highland Park and Glencoe, near Lake Michigan. The road is notable for its cross-section of Chicago's northern suburbs, balancing densely developed commercial, industrial, and residential land uses, with open space areas such as forest preserves, parks, golf courses, creeks, rivers, gardens, and Lake Michigan.
The 2020 elections for the Illinois House of Representatives were held on Tuesday, November 3, 2020, to elect representatives from all 118 districts. The primary election occurred on March 17, 2020. The winners of this election are currently serving in the 102nd General Assembly, with seats apportioned among the states based on the 2010 United States census. The Democratic Party had held a House majority since 1997. The inauguration of the 102nd General Assembly occurred on Wednesday January 13, 2021.
