The Dept of Homeland Security's highest-spending division is the FEMA

Federal agencies often contain divisions including bureaus, offices, and subagencies. In FY 2024, the Department of Homeland Security divisions with the highest expenditures were the Federal Emergency Management Agency, Customs and Border Protection, and the Coast Guard.

Read related content about the Department of Homeland Security:

• What ICE does: Immigration and Customs Enforcement, or ICE, aims to preserve American safety by detaining, deporting, and sometimes, convicting unauthorized immigrants.
• How many people the US deports: 1.1M in 2023. The Department of Homeland Security defines deportation as the removal or return of a noncitizen from the United States. However, a broader term can be used, “repatriation”, which also includes COVID-19 related expulsions from the US.