U.S. Immigration and Customs Enforcement (ICE) has existed as a standalone federal agency since March 1, 2003, so it has been an agency for just under 23 years as of early 2026.

Quick timeline

  • ICE was formally established on March 1, 2003, within the newly created Department of Homeland Security (DHS). This was part of the post‑September 11 government reorganization.
  • Its creation merged and restructured functions from the former U.S. Customs Service and the Immigration and Naturalization Service (INS), which were dissolved in the process.

Why ICE was created

  • ICE was set up to enforce federal laws related to immigration, customs, trade, and border control with a central focus on national security after the 9/11 attacks.
  • The broader Homeland Security Act of 2002 created DHS and shifted or combined parts of 22 federal entities; ICE was one of the major new enforcement arms that came out of that reshuffle.

How this fits today

  • Because ICE was formed in 2003, it is relatively young compared with long‑standing federal law‑enforcement bodies like the FBI or the U.S. Marshals Service.
  • Debates and “latest news” about ICE in forums and media usually focus on immigration enforcement practices, detention, and deportation policies, which all stem from this post‑9/11 origin and mandate.

TL;DR: ICE has been an agency since March 1, 2003—almost 23 years—created in the DHS reorganization after 9/11 by combining customs and immigration enforcement functions.

Information gathered from public forums or data available on the internet and portrayed here.