N-600K at Chicago IL
Application for Citizenship and Issuance of Certificate Under Section 322
From USCIS data captured August 31, 2026
Application for Citizenship and Issuance of Certificate Under Section 322
37.5 – 64.5 months
Case inquiry possible for receipt dates on or before April 29, 2021.
In plain English
- The months range means: USCIS finished 80% of its recent N-600K cases at this office within that time. It's a reference point — some cases finish sooner, some later.
- "Case inquiry possible…" means: if USCIS received your case on or before that date, your wait is already longer than normal and you can officially ask USCIS about it (it's called an e-Request, and it's free).
- The chart below shows how the posted wait has moved over time — orange = our weekly captures; gray = archival history.
Track this N-600K wait at Chicago IL
We'll email you only when this USCIS time changes, with the old value, new value, and trend.
Trend
Latest published wait
64.5 months
As of Aug 31, 2026 · Arrive Legal capture
Stable
No change since Aug 24, 2026
View 66 exact readings
- Aug 31, 2026 · Arrive Legal capture64.5 months
- Aug 24, 2026 · Arrive Legal capture64.5 months
- Aug 18, 2026 · Arrive Legal capture64.5 months
- Aug 13, 2026 · Arrive Legal capture41.5 months
- Jul 22, 2026 · Arrive Legal capture41.5 months
- Jun 24, 2026 · archival history66.5 months
- May 23, 2026 · archival history37.5 months
- Apr 22, 2026 · archival history52 months
- Mar 17, 2026 · archival history52 months
- Feb 19, 2026 · archival history52 months
- Jan 15, 2026 · archival history103 months
- Dec 19, 2025 · archival history44 months
- Dec 9, 2025 · archival history44 months
- Oct 22, 2025 · archival history37.5 months
- Sep 30, 2025 · archival history44 months
- Sep 19, 2025 · archival history44 months
- Sep 6, 2025 · archival history44 months
- Jul 31, 2025 · archival history44 months
- Jun 17, 2025 · archival history27 months
- May 20, 2025 · archival history27 months
- Apr 22, 2025 · archival history27 months
- Mar 18, 2025 · archival history19.5 months
- Mar 4, 2025 · archival history18.5 months
- Jan 30, 2025 · archival history18 months
- Dec 21, 2024 · archival history18 months
- Nov 26, 2024 · archival history18 months
- Nov 23, 2024 · archival history18 months
- Oct 19, 2024 · archival history18 months
- Oct 1, 2024 · archival history17.5 months
- Aug 22, 2024 · archival history17.5 months
- Aug 20, 2024 · archival history17.5 months
- Aug 8, 2024 · archival history17.5 months
- Jun 26, 2024 · archival history17.5 months
- Jun 4, 2024 · archival history17.5 months
- Apr 30, 2024 · archival history14.5 months
- Apr 9, 2024 · archival history13 months
- Apr 3, 2024 · archival history13 months
- Mar 30, 2024 · archival history13 months
- Mar 1, 2024 · archival history12.5 months
- Jan 23, 2024 · archival history11.5 months
- Jan 3, 2024 · archival history11.5 months
- Dec 28, 2023 · archival history11.5 months
- Dec 13, 2023 · archival history11.5 months
- Dec 2, 2023 · archival history11.5 months
- Nov 14, 2023 · archival history11.5 months
- Nov 2, 2023 · archival history11.5 months
- Sep 30, 2023 · archival history11.5 months
- Aug 24, 2023 · archival history11 months
- Jul 14, 2023 · archival history39.5 months
- Jun 21, 2023 · archival history39.5 months
- Jun 10, 2023 · archival history39.5 months
- May 5, 2023 · archival history32 months
- Mar 24, 2023 · archival history31.5 months
- Feb 7, 2023 · archival history32 months
- Dec 2, 2022 · archival history32 months
- Dec 1, 2022 · archival history32 months
- Nov 3, 2022 · archival history34 months
- Sep 28, 2022 · archival history35 months
- Sep 27, 2022 · archival history35 months
- Jul 15, 2022 · archival history32 months
- Jun 7, 2022 · archival history30.5 months
- May 27, 2022 · archival history30.5 months
- May 11, 2022 · archival history31.5 months
- May 6, 2022 · archival history31.5 months
- Mar 30, 2022 · archival history27.5 months
- Mar 21, 2022 · archival history27.5 months
Is your case delayed?
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Related forms
Other USCIS forms commonly tracked in the same process — listed for reference, not as guidance on what to file.
Frequently asked questions
How long does N-600K take at Chicago IL?
Per USCIS data captured August 31, 2026, N-600K at Chicago IL takes 37.5 – 64.5 months (80% of cases complete within that time).
When can I ask USCIS about my case?
Under the current data, USCIS accepts a N-600K case inquiry at Chicago IL if your receipt date is on or before April 29, 2021. Use USCIS's e-Request tool.
Is this time a guarantee?
No. It is the time within which USCIS completed 80% of similar cases over the past six months. Every case is different; some take longer.
Check your case status at USCIS Case Status Online · Official source: USCIS Case Processing Times