Illinois's 15th congressional district, Congressional district in central Illinois, United States.
Illinois's 15th congressional district spans central Illinois and includes cities like Springfield, Decatur, and Quincy along with numerous smaller communities. The area combines agricultural regions with industrial and educational centers.
Following the 2020 census, the district boundaries shifted from southeastern Illinois to central Illinois to reflect population changes. This redistricting significantly altered the region's political representation.
The district represents diverse communities across central Illinois, with a population mix of 745,893 residents engaging in agriculture, manufacturing, and educational sectors.
Residents can find their congressional representation by checking online resources with their address to confirm district responsibilities. This information helps when contacting elected representatives locally.
The district maintains a Cook Partisan Voting Index rating of R+22, making it one of the strongest Republican-leaning constituencies in Illinois.
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