N-600 at Saint Louis MO
Application for Certificate of Citizenship
From USCIS data captured August 31, 2026
Application for recognition of U.S. citizenship
12 – 17.5 months
Case inquiry possible for receipt dates on or before March 31, 2025.
In plain English
- The months range means: USCIS finished 80% of its recent N-600 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-600 wait at Saint Louis MO
We'll email you only when this USCIS time changes, with the old value, new value, and trend.
Trend
Latest published wait
17.5 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 capture17.5 months
- Aug 24, 2026 · Arrive Legal capture17.5 months
- Aug 18, 2026 · Arrive Legal capture17.5 months
- Aug 13, 2026 · Arrive Legal capture21.5 months
- Jul 22, 2026 · Arrive Legal capture21.5 months
- Jun 24, 2026 · archival history21.5 months
- May 23, 2026 · archival history17.5 months
- Apr 22, 2026 · archival history10 months
- Mar 17, 2026 · archival history9 months
- Feb 19, 2026 · archival history12.5 months
- Jan 15, 2026 · archival history12.5 months
- Dec 19, 2025 · archival history12 months
- Dec 9, 2025 · archival history12 months
- Oct 22, 2025 · archival history12 months
- Sep 30, 2025 · archival history11 months
- Sep 19, 2025 · archival history11 months
- Sep 6, 2025 · archival history11 months
- Jul 31, 2025 · archival history9.5 months
- Jun 17, 2025 · archival history10 months
- May 20, 2025 · archival history8 months
- Apr 22, 2025 · archival history8.5 months
- Mar 18, 2025 · archival history8.5 months
- Mar 4, 2025 · archival history8.5 months
- Jan 30, 2025 · archival history7.5 months
- Dec 21, 2024 · archival history7.5 months
- Nov 26, 2024 · archival history7 months
- Nov 23, 2024 · archival history7 months
- Oct 19, 2024 · archival history7.5 months
- Oct 1, 2024 · archival history7.5 months
- Aug 22, 2024 · archival history7 months
- Aug 20, 2024 · archival history7 months
- Aug 8, 2024 · archival history5 months
- Jun 26, 2024 · archival history7 months
- Jun 4, 2024 · archival history5.5 months
- Apr 30, 2024 · archival history5.5 months
- Apr 9, 2024 · archival history6.5 months
- Apr 3, 2024 · archival history6.5 months
- Mar 30, 2024 · archival history6.5 months
- Mar 1, 2024 · archival history6.5 months
- Jan 23, 2024 · archival history10 months
- Jan 3, 2024 · archival history10 months
- Dec 28, 2023 · archival history12 months
- Dec 13, 2023 · archival history12 months
- Dec 2, 2023 · archival history12 months
- Nov 14, 2023 · archival history14.5 months
- Nov 2, 2023 · archival history14.5 months
- Sep 30, 2023 · archival history15 months
- Aug 24, 2023 · archival history17.5 months
- Jul 14, 2023 · archival history10 months
- Jun 21, 2023 · archival history8.5 months
- Jun 10, 2023 · archival history8.5 months
- May 5, 2023 · archival history8 months
- Mar 24, 2023 · archival history10.5 months
- Feb 7, 2023 · archival history17 months
- Dec 2, 2022 · archival history15 months
- Dec 1, 2022 · archival history15 months
- Nov 3, 2022 · archival history16.5 months
- Sep 28, 2022 · archival history15 months
- Sep 27, 2022 · archival history15 months
- Jul 15, 2022 · archival history17 months
- Jun 7, 2022 · archival history16.5 months
- May 27, 2022 · archival history17 months
- May 11, 2022 · archival history16.5 months
- May 6, 2022 · archival history16.5 months
- Mar 30, 2022 · archival history11.5 months
- Mar 21, 2022 · archival history11.5 months
The national N-600 line
Cases waiting
57,163
nationwide (FY2026 Q2)
The line is
growing
+18.8% since FY2025 Q4
What that usually means
More applications than decisions — pressure toward longer waits.
From USCIS's official quarterly report. See the full outlook and methodology →
Is your case delayed?
Enter your receipt date — the comparison happens in your browser.
The calculation runs in your browser — we don't store your date or any case details.
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-600 take at Saint Louis MO?
Per USCIS data captured August 31, 2026, N-600 at Saint Louis MO takes 12 – 17.5 months (80% of cases complete within that time).
When can I ask USCIS about my case?
Under the current data, USCIS accepts a N-600 case inquiry at Saint Louis MO if your receipt date is on or before March 31, 2025. 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