N-600 Processing Time — Chicago IL (2026)
Updated July 15, 2026 · Source: USCIS official processing times
Most N-600 filings at Chicago IL are currently completing in 12.5 to 15 months.
USCIS's published range reflects how long it recently took to complete the majority of cases at this office (see USCIS methodology).
USCIS considers a Chicago IL N-600 outside normal processing time if it was filed on or before April 24, 2025 and is still pending.
What your case status likely means
- Inquiry eligible — filed on or before April 24, 2025 and still pending. Your case is outside USCIS's normal processing time. You can submit a service request (case inquiry), and we can help you decide whether a follow-up filing or litigation is warranted.
- Past the typical range — filed after April 24, 2025 but more than 15 months ago. Past USCIS's typical range for this office, but not yet eligible for a service request. Here's what to watch — talk to us if you're concerned.
- Approaching the top of the range — filed 12.5–15 months ago. Near the top of the typical range for this office. Not yet unusual, but worth monitoring.
- Within the typical range — filed less than 12.5 months ago. Within USCIS's typical processing window for this office.
Attorney context
Reviewed by Aaron Elinoff, Managing Partner, Novo Legal Group — CO Bar #46468, WA Bar #58949
Talk to a licensed attorney about your N-600 case
Whether your case is inquiry-eligible, past the typical range, or stuck for reasons that need intervention — a licensed attorney can help you decide what to do next.
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