The Cook Partisan Voter Index (PVI) has historically utilized the two-party presidential results of the last two previous elections, weighted equally, to calculate each cycle's PVI. Last week,...
Post 2020 Election - Congressional
Post 2020 Election - Legislative
2011 Redistricting Control
Redistricting terms related specifically to geography and drawing maps.
Block Assignment File The file format for many of the geographic products that the Census Bureau provides to states and other data users containing the small area census data necessary for leg...
Below are the congressional and legislative redistricting deadlines for each state. Congressional Redistricting Deadlines
2021 Deadline These six states face a 2021 redistricti...
Redistricting commission deadlines affected by the 2020 Census data delay.
On February 12, 2021, the U.S. Census Bureau announced that the PL-94-171 2020 Census data that is necessary for congressional and legislative redistricting will not be delivered to the states un...
Redistricting Deadlines - Congressional
Redistricting Deadlines - Legislative
2020 Congressional Apportionment
2020 Bubble Seats
Apportionment Changes: 2000 - 2020
2010 Congressional Apportionment
Legislative redistricting deadlines affected by the 2020 Census data delay.
Congressional redistricting deadlines affected by the 2020 Census data delay.