The Quad Cities is a region of cities in the U.S. states of Iowa and Illinois: Davenport and Bettendorf in southeastern Iowa, and Rock Island, Moline and East Moline in northwestern Illinois. These cities are the center of the Quad Cities metropolitan area, which as of 2013 had a population estimate of 383,781 and a Combined Statistical Area (CSA) population of 474,937, making it the 90th-largest CSA in the nation.
The Illinois River is a principal tributary of the Mississippi River and is approximately 273 miles (439 km) long. Located in the U.S. state of Illinois, the river has a drainage basin of 28,756.6 square miles (74,479 km2). The Illinois River begins with the confluence of the Des Plaines and Kankakee rivers in the Chicago metropolitan area, and it generally flows to the southwest across Illinois, until it empties into the Mississippi near Grafton, Illinois. Its drainage basin extends into southeastern Wisconsin, northwestern Indiana, and a very small area of southwestern Michigan in addition to central Illinois. Along its shores are several river ports, including Peoria, Illinois. Historic recreation areas on the river include Starved Rock and the internationally important wetlands of the Emiquon Complex and Dixon Waterfowl Refuge.
St. Clair County is the ninth most populous county in Illinois. Located directly east of St. Louis, the county is part of the Metro East region of the Greater St. Louis metropolitan area in southern Illinois. As of the 2020 United States census, St. Clair County had a population of 257,400, making it the third most populous county in Illinois outside the Chicago metropolitan area. Belleville is the county’s seat and largest city.
Madison County is a county in the U.S. state of Illinois. It is a part of the Metro East in southern Illinois. According to the 2020 census, it had a population of 264,776, making it the eighth-most populous county in Illinois and the most populous in the southern portion of the state. The county seat is Edwardsville, and the largest city is Granite City.
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.
Spring Valley is a city situated on the Illinois River in Bureau County, Illinois, United States. The population was 5,582 at the 2020 census, up from 5,558 in 2010. It is part of the Ottawa Micropolitan Statistical Area.
Aurora is a city in the Chicago metropolitan area. Located primarily in DuPage and Kane Counties, it is the second most populous city in Illinois, after Chicago, and the 144th most populous city in the United States. The population was 197,899 at the 2010 census, and was 180,542 at the 2020 census.
Bolingbrook is a village in Will and DuPage counties in the U.S. state of Illinois. It is a southwest suburb of Chicago on I-55 and Historic Route 66. The village was a new town built on the Gateway Wetlands west of the Des Plaines River in the 1960s. Bolingbrook experienced rapid growth in the 1980s and 1990s, and eventually became the second largest town in the county after Joliet. Per the 2020 census, the population was 73,922. As of 2010, it is the 17th largest incorporated place in Illinois and the state's 2nd largest village.
Kankakee is a city in and the county seat of Kankakee County, Illinois, United States. Located on the Kankakee River, as of 2020, the city's population was 24,052. Kankakee is a principal city of the Kankakee-Bourbonnais-Bradley Metropolitan Statistical Area. It serves as an anchor city in the rural plains outside Chicago, similar to Aurora and Joliet.
Peru is a city in LaSalle County, Illinois, United States. The population was 9,896 at the 2020 census, down from 10,295 at the 2010 census. It is part of the Ottawa, IL Micropolitan Statistical Area. Peru and its twin city, LaSalle, make up the core of Illinois Valley.
Peoria is a city in and county seat of Peoria County, Illinois, United States. Located on the Illinois River, the city had a population of 113,150 as of the 2020 census. It is the principal city of the Peoria Metropolitan Area in Central Illinois, consisting of the counties of Fulton, Marshall, Peoria, Stark, Tazewell, and Woodford, which had a population of 402,391 in 2020.
Romeoville is a village in Will County, Illinois, United States. The village is located 26 mi (42 km) southwest of Chicago on the Gateway Wetlands, directly west of the Des Plaines River. Per the 2020 census, the population was 39,863. It is located in the southwest suburban area of Chicago near Interstate 55 and Interstate 355.
Southern Illinois, also known as Little Egypt, is a region of the U.S. state of Illinois comprising the southern third of the state, principally along and south of Interstate 64. Part of downstate Illinois, it is bordered by the two most voluminous rivers in the United States: the Mississippi below its connecting Missouri River to the west and the Ohio River to the east and south, with the Wabash as a tributary.
Greater St. Louis is a bi-state metropolitan statistical area in the United States with its core in both Missouri and Illinois. Its largest principal city is the independent city of St. Louis, and its largest employer is St Louis County, Missouri which lies immediately to the west. The pre-war city core is on the Mississippi Riverfront on the border with Illinois in the geographic center of the metro area. The Mississippi River bisects the metro area geographically between Illinois and Missouri; however, the Missouri portion is much more populous. St. Louis is the focus of the largest metro area in Missouri and the Illinois portion known as Metro East is the second largest metropolitan area in that state. St. Louis County is independent of the City of St. Louis and their two populations are generally tabulated separately.
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.
John E. Grotberg was a Republican member of the United States House of Representatives from Illinois serving from 1985 until his death from bronchial pneumonia and colon cancer in St. Charles, Illinois in 1986.
The 11th congressional district of Illinois is represented by Democrat Bill Foster.
Northern Illinois is a region generally covering the northern third of the U.S. state of Illinois. The region is by far the most populous of Illinois with nearly 9.7 million residents as of 2010.
St. Charles is a city in DuPage and Kane counties in the U.S. state of Illinois. It lies roughly 40 miles (64 km) west of Chicago on Illinois Route 64. Per the 2020 census, the population was 33,081. The official city slogan is "Pride of the Fox", after the Fox River that runs through the center of town. St. Charles is part of a tri-city area along with Geneva and Batavia, all western suburbs of similar size and socioeconomic condition.
