The USCIS field office in Denver, CO — pending cases, completions and backlog for N-400 (citizenship), I-485 (green card), I-130 (family petition), from USCIS's quarterly office reports (office code DEN).
At the end of Apr–Jun 2026, 11,333 citizenship applications were pending at Denver. The office completed about 542 a month over the past year, so the queue would take about 21 months at that pace — slower than the national 16 months.
N-400 (citizenship)
21 mo
11,333 pending · 542/mo done · #70 of 88
I-485 (green card)
29 mo
16,746 pending · 576/mo done · #53 of 92
I-130 (family petition)
62 mo
26,584 pending · 426/mo done · #31 of 94
Pending cases at Denver
Cases awaiting a decision at the end of each fiscal quarter.
How long does N-400 take at the Denver field office?
USCIS does not publish a median per office in its quarterly data, but it does publish the queue: 11,333 N-400s were pending at Denver at the end of Apr–Jun 2026, and the office completed about 542 a month over the last year. At that pace the queue takes about 21 months to clear (national: 16 months). For the official 80th-percentile time for this office, use the USCIS processing times tool.
How many green card applications are pending at Denver?
16,746 I-485 applications were pending at the end of Apr–Jun 2026; the office completed about 576 a month (backlog estimate 29 months, national 30 months).
Which areas does the Denver office serve?
USCIS assigns cases by your home ZIP code. Check the official field office locator to confirm which office handles your address.
Figures are copied from the official files without changes; derived numbers (changes, backlog estimates) are explained on the methodology page. Not legal advice.