Average mailpieces processed each second

USPS
4,297

mailpieces per second

On average, the Postal Service processed 4,297 pieces of mail each second in 2024.

* | Tags: One day USPS Fact #1049 | June 30, 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