Guam's at-large congressional district
Guam's at-large congressional district comprises the entire area of the United States territory of Guam. Guam has been represented in the United States House of Representatives by a non-voting delegate since 1972. Its first delegate, Antonio Borja Won Pat, had been serving as the Washington Representative lobbying for a delegate since 1965, elected for four-year terms in 1964 and 1968. It is currently represented by Democrat Michael San Nicolas who has represented the district since 2019.