The city has a population of more than 115,000 people, making it the seventh largest city in the state and third largest behind Chicago. Peoria is home to several major businesses, including the headquarters of Caterpillar, Maui Jim, and Pioneer Railcorp. Other well-known businesses in the Peoria region include the Komatsu America Corporation, Archer Daniels Midland, Bergner's department store, and the National Center for Agricultural Utilization Research, the USDA's largest research facility and the site where the mass production of penicillin was invented. Peoria was founded in 1691, making it the oldest European settlement in the state of Illinois. Once considered a world leader for breweries and distilleries, today, the city's economy is based in medicine, technology, and manufacturing. As a result, Peoria's cityscape has grown to become quite diverse, with its Twin Towers making up its centerpiece. Educational opportunities also abound in Peoria, with the city being home to Bradley University, Mid-state College, Robert Morris College, and several other noteworthy higher learning institutions. Public transportation is readily available in Peoria, with public bus service provided by the Greater Peoria Mass Transit District. The city is also well served by ten common carrier railroads and three regional airports.

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Named after the Peoria Indians, Peoria, IL is the county seat of Peoria County and the largest city on the Illinois River. In addition to its economic strength, Peoria also enjoys a robust arts and culture scene, endless stretches of wooded riverbanks and hiking trails, and all the amenities a family needs to live a satisfied life. Whether you're looking for a downtown apartment, a riverfront condo, or a single-family home in a safe and friendly community, you'll find everything you're looking for and more in Peoria.

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