What Painted Us So Indelibly Red and Blue?
Donald Trump changed political parties at least five times: report - Washington Times
More than 1 million voters switch to GOP, raising alarm for Democrats | PBS NewsHour
Iowa Dems counterprogram with John Fetterman as Republicans barnstorm the state : NPR
New Iowa Democratic Party chair Rita Hart has her work cut out for her - Iowa Capital Dispatch
U.S. Presidents: party affiliation 1789-2021 | Statista
Voter Registration Data for the 2016 Iowa Caucus
Voter Registration FAQ
Part 1: Party Affiliation | Pew Research Center
What to know about the Iowa caucuses | Pew Research Center
Democratic States Exceed Republican States by Four in 2018
Part 1: Party Affiliation | Pew Research Center
Iowa caucuses, built on myth, lose place at head of the line
Registering By Party: Where the Democrats and Republicans Are Ahead – Sabato's Crystal Ball
In the Midwest, Dem Districts are Marching to the Suburbs – Third Way
PRRI
Iowa Poll: All four of Iowa's congressional races up for grabs
For such a key race, Iowa's voter turnout remains surprisingly low | PBS NewsHour
Iowa's 4th congressional district - Wikipedia
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Voter registration numbers illustrate Iowa politics
Red States Outnumber Blue for First Time in Gallup Tracking
4,576 Colorado Republicans switched parties after US Capitol riot | 9news.com
Palm Beach County sees high number of 'No Party Affiliation' voters | WPEC
Registering By Party: Where the Democrats and Republicans Are Ahead – Sabato's Crystal Ball
GOP Maintains Edge in State Party Affiliation in 2016
Iowa lawmaker cites disapproval with Donald Trump as reason he's leaving Republican Party
