Fact source: Delivery and Operations

Election Mail

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ELECTION

MAIL

The U.S. Postal Service upholds its promise to deliver the nation’s Election Mail securely and on time, consistent with the organization’s non-partisan public service mission.

* | Tags: History USPS Fact #941 | June 30, 2025

Election Mail consists of mail to or from election officials,
including ballots, ballot applications, registration forms
and other items that enable citizens to participate in the voting process. The Postal Service is committed to delivering the nation’s Election Mail securely and on time, consistent with the organization’s nonpartisan public service mission.

During the general election period of Sept. 1-Nov. 15, 2024, the Postal Service delivered at least 99.22 million ballots to or from voters.

The Postal Service supports voters choosing to use the U.S. Mail to return their ballots, whether it’s for a seat on the local school board or for the president of the United States — and everything in between.

Average mailpieces processed each minute

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257,813

mailpieces per minute

The Postal Service processed an average of 257,813 pieces of mail each minute in 2024.

* | Tags: One day USPS Fact #1048 | 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

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

Residential delivery points

USPS
154 million

residential delivery points

In 2024, the Postal Service delivered to 156 million residential addresses.

* | Tags: Size & scope USPS Fact #1055 | June 30, 2025

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