Senate Committee on Appropriations:
Subcommittee on Department of Homeland Security

Chairman:
Sen. John Boozman [R-AR]
Ranking Member:
Sen. Jon Tester [D-MT]
Republicans:
7
Democrats:
6

The chairman is always selected from the majority party and the ranking member is the most senior member of the minority party. The majority party ensures it has a majority on every committee.

Chairman
John Boozman
Arkansas
Republican
Ranking Member
Jon Tester
Montana
Democrat
Tammy Baldwin
Wisconsin
Democrat
Thad Cochran
Mississippi
Republican
John Hoeven
North Dakota
Republican
John Kennedy
Louisiana
Republican
James Lankford
Oklahoma
Republican
Patrick Leahy
Vermont
Democrat
Joe Manchin III
West Virginia
Democrat
Lisa Murkowski
Alaska
Republican
Patty Murray
Washington
Democrat
Jeanne Shaheen
New Hampshire
Democrat
Richard Shelby
Alabama
Republican