Citizenship & Naturalization
How to Become a U.S. Citizen
General information about U.S. citizenship
Educational tools and resources for citizenship preparation
USCIS information in many world languages
Citizenshipworks is a free online service that helps you apply for citizenship, step-by-step. We will tell you about any potential problems with your application and connect you to the expert help you need, either online or in person. We also tell you what other documents you need to submit, and what to expect after you apply.
USCIS Citizenship Resource Center: Study for the Test
Includes civics questions, vocabulary lists, flash cards, audio, video and other resources. Also includes resources for teachers.
Learning Express Library
Practice taking tests online, including U.S. citizenship, TOEFL, adult basic skills, civil service, and many more. A registered library card is required to create an account.
Interactive resource for learning U.S. history and civics for the citizenship test.
USCIS Civics Test Study Tools is an official application of the Department of Homeland Security’s (DHS) US Citizenship and Immigration Services (USCIS), designed to help you study for the civics test portion of the naturalization interview.
Immigrant & Refugee Rights
Immi connects immigrants with nonprofit legal experts across the U.S. and provides a comprehensive resource for understanding U.S. immigration law.
IAN promotes more effective and efficient communication, collaboration, and services among immigration advocates and organizations by providing free, easily accessible and comprehensive online resources and tools.
Contact U.S. Citizenship & Immigration Services (USCIS)
USCIS District Office
101 West Congress Parkway
Chicago, IL 60605
Directions, public transportation, and other information
You must have an appointment to visit this office. Use InfoPass to schedule an appointment.
Information by Phone
National Customer Service Center
If you have an application receipt number, you can check the status of your case online. Also available in Spanish.
The U.S. Government’s official web portal for new immigrants with information about citizenship, education, healthcare, benefits, employment, personal finance, and more.
Welcome to the United States: A Guide for New Immigrants
A publication from the USCIS for new permanent residents, containing “practical information to help immigrants settle into everyday life in the United States.” Available in English, Spanish, Traditional Chinese, Vietnamese and several other languages.