Which state is Ethel Mertz's hometown Albuquerque in?

Ethel Mertz’s hometown, Albuquerque, is in New Mexico.

Ethel, played by Vivian Vance, is introduced as Lucy Ricardo’s friend and neighbor and Fred Mertz’s wife. Her Albuquerque background is part of the character’s earlier-life story: before settling in New York, Ethel had ambitions in music and entertainment and performed at Albuquerque’s Little Theater.

The detail helps explain why Ethel so readily joins Lucy’s show-business schemes. Ethel is not merely a domestic neighbor; she often presents herself as a former performer with experience in vaudeville and music. Her memories of earlier ambitions become a recurring source of jokes and occasional tension.

Albuquerque is frequently mistaken for a location in Arizona or Colorado because it is associated with the broader American Southwest. It is, however, New Mexico’s largest city and the state’s cultural setting for Ethel’s backstory. The show generally takes place in New York, so Albuquerque appears as biographical context rather than the series’ primary location.