N-600K at Detroit Field Office
N-600K is processed by USCIS.
Verified from USCIS on 2026-06-05
How N-600K compares to other forms at the Detroit Field Office
Three other forms run through Detroit: N-600 (certificate of citizenship) at 6.5 to 9.0 months, N-400 (naturalization) at 9.0 to 11.5 months, and I-485 (adjustment of status) at 10.5 to 19.0 months. N-600 is fastest. I-485 has the widest range among the others. N-600K sits at 18.5 to 25.5 months, the slowest opening and the highest ceiling at the office, a 7-month band. Its range overlaps I-485's by 0.5 months in the middle. Its 22-month midpoint runs 8.3 months above the office average.
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Frequently Asked Questions
How long does N-600K take at Detroit Field Office?
Current processing time for N-600K at Detroit Field Office is 25 months to 25.5 months, based on the latest data from USCIS.
When was N-600K processing time data last updated?
The data was last updated on 2026-06-05, sourced from USCIS.
What factors affect N-600K processing time?
Processing times vary based on application volume, case complexity, security checks, and the completeness of submitted documentation. Times shown are estimates and individual cases may differ.