https://www.census.gov/quickfacts/fact/table/PR/EDU685219
https://projects.fivethirtyeight.com/2016-swing-the-election/
https://projects.fivethirtyeight.com/trump-biden-election-map/
https://www.psc.isr.umich.edu/dis/census/tools/apportionment/output.html
https://projects.fivethirtyeight.com/redistricting-maps/
https://projects.fivethirtyeight.com/republicans-democrats-cities/
https://projects.fivethirtyeight.com/electoral-college-new-states-2016-election/
https://www.270towin.com/alternative-electoral-college-allocation-methods/?year=2016
https://davesredistricting.org/maps#home
https://cdmaps.polisci.ucla.edu
Hypothetical 2030 Apportionment: https://www.yapms.com/app/?m=jlw0
https://mcimaps.com/how-floridas-state-house-districts-voted-in-2020/
https://www.stateelectiondata.com
https://projects.jhkforecasts.com/trends/
https://electionspuertorico.org
https://history.house.gov/Map/Mapping-Congress/
https://dsl.richmond.edu/panorama/congress/#view=cartogram&year=2018&xyz=0.5/0.5/1
https://cnalysis.com/maps/2020-presidential-by-legislative-district-and-most-recent-election-result/
https://en.wikipedia.org/wiki/Wikipedia:WikiProject_Elections_and_Referendums/USA_Legend_Colors
https://rpubs.com/thorongil16/803187 @Thorongil & @lxEagle17: VA Gov Model
CNalysis 2020s Legislative Districts
CNalysis 2010s Legislative Districts Presidential 2020 Presidential
https://voteview.com/congress/senate
https://cinycmaps.com/index.php/cd-multimap/2020s-cds CINYC Maps
https://rpubs.com/splitticket/854873 House overperformance
https://www.epa.gov/ejscreen EPA Environmental justice screaning tool 1 (Demographic Data)
https://ejscreen.epa.gov/mapper/ EPA Environmental justice screaning tool 2 (Demographic Data)
http://www.apportionmentcommission.org/adoption.asp NJ Legislature Historical Apportionment(Lines)
https://www.vpap.org/redistricting/plan/2021-senate-vasupremecourt-statewide-2/
https://data.census.gov/cedsci/table?d=ACS%205-Year%20Estimates%20Subject%20Tables
https://depts.washington.edu/moving1/map_latinx_migration.shtml
https://apportionmentcalculator.com
https://staatsrecht.honikel.de/en/sitzzuteilungsrechner.htm