Illinois USCIS
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Illinois residents file immigration applications with USCIS and are typically served by the Chicago Field Office. Chicago is one of the busiest USCIS field offices in the country.

Illinois has large Polish, Mexican, Indian, Filipino, and Korean immigrant communities.

USCIS fees are set by federal law and apply uniformly across all states. However, processing times, interview wait times, and the availability of local USCIS offices vary significantly by state and can affect your overall timeline and experience.

The most common USCIS applications filed by Illinois residents include: N-400 (naturalization/citizenship), I-485 (adjustment of status to permanent resident), I-130 (petition for family members), I-765 (employment authorization), and I-131 (advance parole/travel document).

Illinois does not mandate E-Verify for all private employers; state contracts require E-Verify. Illinois's TRUST Act prohibits state and local police from enforcing civil immigration law or honoring ICE detainers in most circumstances.

Illinois allows undocumented immigrants to obtain driver's licenses (Temporary Visitor Driver's License, 2013). Illinois offers in-state tuition to undocumented students under the Illinois DREAM Act.

Illinois has a formal state Office for New Americans (ONA) within the Governor's office — one of the most active state immigrant integration offices in the country, offering community navigators and legal services. Chicago has extensive immigration legal aid resources through the National Immigrant Justice Center (NIJC), Heartland Alliance, and the ACLU of Illinois.

Naturalization (Form N-400) applicants in Illinois currently wait approximately 12 months for an interview at the Chicago Field Office. This includes the time from filing to receiving your interview notice.

After the interview, the oath ceremony typically follows within 1–3 months.

Adjustment of status (Form I-485) applicants in Illinois can expect approximately 17 months from filing to interview. This varies significantly based on your priority date (for family and employment categories) and current USCIS workload at the Chicago office.

Processing times are updated regularly on the USCIS website. If your case has exceeded the posted processing time, you may submit a service request through your USCIS online account.

In urgent situations (impending naturalization ceremony for military deployment, medical emergency), expedited processing may be requested.

• USCIS fees are uniform nationally regardless of your Illinois residence. As of 2024, key fees include: N-400 (Naturalization) — $760 online / $950 paper (fee waiver available for qualifying low-income applicants)
• I-485 (Adjustment of Status) — $1,440 for applicants age 14–78 (includes biometrics)
• I-130 (Family Petition) — $675
• I-765 (Employment Authorization) — $520
• I-131 (Travel Document) — $630.

Biometrics fees are now bundled into most primary application fees. Filing fees paid to USCIS are generally not reimbursable, even if the application is denied.

Use the USCIS fee calculator on the USCIS website to determine the exact fees for your specific application combination.

Fee waivers are available for many applications for applicants who receive means-tested benefits or whose household income is at or below 150% of the Federal Poverty Guidelines. Immigration attorneys in Illinois can help determine if you qualify and assist with the waiver request.

Approximately 14.3% of Illinois's population is foreign-born — well above the national average of 13.9%. The largest immigrant group originates from Mexico.

Illinois's immigrant community contributes significantly to the state's economy. Immigrant workers are disproportionately represented in healthcare, agriculture, technology, construction, and hospitality sectors.

Many immigrants in Illinois are LPRs (lawful permanent residents) pursuing naturalization, while others are on work visas or seeking family reunification.

Illinois has strong state-level protections for immigrants, including access to state services and driver's licenses regardless of federal immigration status. Consult a licensed immigration attorney for advice specific to your situation and Illinois law.

Immigration law is complex and mistakes on USCIS applications can have serious consequences, including denial, delays, and in some cases, removal proceedings. An experienced immigration attorney in Illinois can review your application for completeness, advise on potential issues, prepare you for your interview, and represent you if problems arise.

To find a qualified immigration attorney in Illinois, search our attorney directory, contact the Illinois State Bar Association's referral service, or use the American Immigration Lawyers Association (AILA) attorney finder. Nonprofit legal aid organizations in Illinois may offer free or low-cost immigration services for qualifying individuals.

Be cautious of notarios and unauthorized immigration consultants who may charge fees but cannot provide legal advice. Only licensed attorneys or accredited representatives can provide legal immigration services in Illinois.

Unauthorized practice of immigration law is a federal crime.

• To become a U.S. citizen through naturalization in Illinois, you must: (1) be a Lawful Permanent Resident for 5 years (3 years if married to a U.S. citizen)
• (2) have continuous residence and physical presence in the U.S.
• (3) be a resident of Illinois for 3 months before filing
• (4) demonstrate good moral character
• (5) pass English language and civics tests
• and (6) take the Oath of Allegiance.

The civics test consists of 10 questions selected from 100 official questions about U.S. history and government.

You must answer 6 of 10 correctly. Free study materials are available on the USCIS website, and many public libraries and community organizations in Illinois offer free citizenship preparation classes.

After your N-400 interview at the Chicago office, if approved, you will be scheduled for an Oath of Allegiance ceremony. In Illinois, these ceremonies are held periodically at federal courts and USCIS field offices.

The ceremony is a meaningful milestone — bring family and be prepared to surrender your permanent resident card.

Immigration legal fees are just one component of the cost picture. If you are also dealing with a personal injury claim while navigating immigration status, the Illinois Personal Injury Settlement Estimator estimates settlement value and can help you understand whether to pursue a claim.

For immigrants who have been in the U.S. workforce and may have unpaid wage claims, the Illinois Overtime Pay Calculator calculates back-pay amounts owed under federal law — undocumented workers retain FLSA rights.

And if you need to understand deadlines for any civil claim, the Illinois Statute of Limitations Lookup covers the key filing windows by cause of action.