The Impact of Legal and Illegal Immigration on the Apportionment of Seats in the U.S. House of Representatives in 2020
Under current policy all persons — not just citizens — are included in the population count when apportioning seats to states in the U.S. House of Representatives and for votes in the Electoral College, which is based on House seats. Although we focus on the next census in 2020, the impact of immigration has been building for decades as the number of people settling in the country has increased dramatically. This report examines the cumulative impact of immigration, both legal and illegal, on the apportionment of House seats; this is not an analysis of the impact of immigration only since the previous census. Apportionment is a zero-sum system; by adding more population to some states rather than others, immigration will continue to significantly redistribute political power in Washington.. .
