R Code to build an interactive political map of Illinois
The shape files are tiger files downloaded from the U.S. Census:
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Lower House (State Legislative District Lower Chamber): https://www2.census.gov/geo/tiger/TIGER2024/SLDL/
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General Assembly Data: https://www.ilga.gov/house/
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Upper House (State Legistlative District Upper Chamber): https://www2.census.gov/geo/tiger/TIGER2024/SLDU/
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General Assembly Data: https://www.ilga.gov/senate/
Note: The FIPS (Federal Information Processing System) code is useful when figuring out what data belongs to what state: https://transition.fcc.gov/oet/info/maps/census/fips/fips.txt