Illinois's 18th congressional district, Congressional district in Central Illinois, United States
Illinois's 18th congressional district stretched across central and western Illinois, including Jacksonville, Quincy, and portions of Bloomington, Peoria, and Springfield. The territory encompassed parts of McLean, Peoria, Sangamon, Stark, and Tazewell counties.
Established in 1870, the district represented the same territory that Abraham Lincoln once served in the House of Representatives. Its 153-year existence ended in 2023 following population shifts revealed by the 2020 census.
Representatives from Bradley University maintained a continuous presence in the district leadership from 1949 to 2015, shaping local political traditions.
Travelers can explore the communities and cities that once fell within this congressional representation. The region is best experienced by car, as these towns and districts are spread across a broad area.
Following Illinois population changes in the 2020 census, this district ceased to exist, marking the end of its 153-year legislative representation.
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