The USCIS field office in Buffalo, NY — 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 BUF).
At the end of Apr–Jun 2026, 6,459 citizenship applications were pending at Buffalo. The office completed about 308 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
6,459 pending · 308/mo done · #71 of 88
I-485 (green card)
29 mo
15,044 pending · 514/mo done · #56 of 92
I-130 (family petition)
70 mo
14,268 pending · 203/mo done · #46 of 94
Pending cases at Buffalo
Cases awaiting a decision at the end of each fiscal quarter.
How long does N-400 take at the Buffalo field office?
USCIS does not publish a median per office in its quarterly data, but it does publish the queue: 6,459 N-400s were pending at Buffalo at the end of Apr–Jun 2026, and the office completed about 308 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 Buffalo?
15,044 I-485 applications were pending at the end of Apr–Jun 2026; the office completed about 514 a month (backlog estimate 29 months, national 30 months).
Which areas does the Buffalo 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.