U. S. Immigration Trends - Migration Policy Institute
Free website of the Migration Policy Institute (MPI), an independent, nonpartisan think tank in Washington, DC that provides analysis and evaluation of migration and refugee policies at local, national, and international levels. Their page on U.S. immigration includes tables and graphs of a number of relevant characteristics.
Nonpartisan research and statistics on a number of topics including immigration, social trends, U.S. politics, religion, the media, technology, and more.
Net Migration Patterns for United States Counties
Data based on U.S. Census data. Free website from the University of Wisconsin.
Transactional Records Access Clearinghouse (TRAC): Immigration A free website co-sponsored by Syracuse University and others to provide independent and nonpartisan information about U. S. Federal immigration enforcement.
Department of Homeland Security - Immigration Data & Statistics
Topics include naturalization, refugees, apprehensions, etc. Additional statistical reports are listed under the "Publications" link.
Latin American Migration Project
Data on migration flows originating in Latin American countries. Based at Princeton.
Online Exhibits
Arrival of Emigrants Video: From the Library of Congress, Motion Picture, Broadcasting, and Recorded Sound Division.