- Department of Homeland Security: Immigration
- Immigration and Customs Enforcement (ICE)
- US Citizenship and Immigration Services
- US Customs and Border Protection
- Border Battles: The US Immigration Debates
A collection of articles researched and put together by SSRC (Social Science Research Council), a non-profit dedicated to researching global social issues.
- Fast Facts from GCIR (Grantmakers Concerned with Immigrants and Refugees)
A page that gathers important statistics on immigration in the US into one place.
- NNIR: National Network for Immigrant and Refugee Rights
This site contains up-to-date news articles related to immigration and immigrant rights.
- Pew Hispanic Center
A website devoted to understanding the Hispanic experience in America, funded by the Pew Charitable Trust. There is lots of information here on Hispanic culture, immigration, and politics.