The New Democratic Party won its first seat in the House of Assembly in 1984 when leader Peter Fenwick was elected in a by-election for Labrador West. He won reelection in 1985. In 1986 by election Gene Long was elected for the riding of Signal Hill-Quidi Vidi. The party has been represented in the provincial legislature continually since 1990. It currently has two Members of the House of Assembly (MHAs), Jack Harris and Randy Collins.
- Sam Drover (Switch) MHA for White Bay 1949-1955 (liberal), 1955-1956 CCF
- Peter Fenwick MHA for Menihek (Labrador West) 1984by-1985-1989 (did not run)
- Gene Long MHA for St. John's East 1986by-1989 (defeated)
- Jack Harris MHA for St. John's East 1990by-1993-1995, MHA Signal Hill-Quidi Vidi 1995-1999-2003-now
- Randy Collins MHA for Labrador West 1999-2003-now