The Democratic Party (United States) has a caucus in the House.
Democratic Party (United States) . Today , the House Democratic caucus is composed mostly of progressives and centrists , with a smaller minority of conservative Democrats . In the 115th Congress , following the 2016 elections , Democrats are the opposition party , holding a minority of seats in both the House of Representatives and the Senate . The Tea Party Caucus ( TPC ) is a congressional caucus of conservative members of the Republican Party in the United States House of Representatives .