With many thanks to Jon Henrik Gilhuus, we present a comprehensive directory of basic American electoral politics information organized by state and territory. Legislative data sets are also here, courtesy of TwinPines. We will continue to fill in more information and keep this directory updated. Below you can find some overview maps for common electoral comparisons.
External Resources: DKE 2016 Presidential Results by Legislative District || DKE 2012 Presidential Reusults by Legislative District with Maps || Jeffrey Lewis’s Historical Congressional Maps || Senate Committee Directory 115th Congress || House Committee Directory 115th Congress