Richard Romero won election to the state Senate in 1992. He defeated a 26-year Democratic incumbent _ Michael Alarid, who had been majority floor leader _ by receiving 66 percent of the vote in the primary. He won the general election with 71 percent of the vote.
Romero was unopposed for re-election in 1996, and won re-election in 2000 against a Republican by getting 74 percent of the vote. He was unopposed for the Democratic nomination in the Albuquerque-area 1st Congressional District in 2002 but lost to incumbent Republican Heather Wilson in the general election. She won with 55 percent of the vote, her best performance since running for the seat in 1998.
Romero won the Democratic nomination in 2004 with 58 percent of the vote against a political newcomer, Miles Nelson, an emergency room physician.