Average mailpieces processed each hour

USPS
15.5 MILLION

mailpieces each hour

On average, the Postal Service processed 15.5 million mailpieces each hour in 2024.

* | Tags: Fun facts One day USPS Fact #522 | July 1, 2025

371.3 million — average number of mailpieces processed and delivered each day

15.5 million — average number of mailpieces processed each hour

257,813 — average number of mailpieces processed each minute

4,297 — average number of mailpieces processed each second