| State: | Guam |
| District Number: | AL |
| Image Name: | Map_of_Guam_Congressional_district_109.png |
| Image Width: | 300px |
| Member Type: | Delegate |
| Representative: | James Moylan |
| Party: | Republican |
| Residence: | Tumon |
| English Area: | 210 |
| Population: | 153,836 |
| Population Year: | 2020 |
| Median Income: | 34,598 |
| Percent White: | 6.9 |
| Percent Black: | 0.1 |
| Percent Asian: | 28.6 |
| Percent Native American: | 0.0 |
| Percent Hispanic: | 2.2 |
| Percent Other Race: | 56.4 |
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.[1] 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.[2] It is currently represented by Republican James Moylan who has represented the district since 2023.
| Representative | Party | Term | Cong ress | Electoral history | ||||
|---|---|---|---|---|---|---|---|---|
| District established February 12, 1970 | ||||||||
| Vacant | nowrap | February 12, 1970 – January 3, 1973 | ||||||
| align=left | Antonio B. Won Pat | Democratic | nowrap | January 3, 1973 – January 3, 1985 | Elected in 1972. Re-elected in 1974. Re-elected in 1976. Re-elected in 1978. Re-elected in 1980. Re-elected in 1982. Lost re-election. | |||
| align=left | Vicente T. Blaz | Republican | nowrap | January 3, 1985 – January 3, 1993 | Elected in 1984. Re-elected in 1986. Re-elected in 1988. Re-elected in 1990. Lost re-election. | |||
| align=left | Robert A. Underwood | Democratic | nowrap | January 3, 1993 – January 3, 2003 | Elected in 1992. Re-elected in 1994. Re-elected in 1996. Re-elected in 1998. Re-elected in 2000. Retired to run for Governor. | |||
| align=left | Madeleine Z. Bordallo | Democratic | nowrap | January 3, 2003 – January 3, 2019 | Elected in 2002. Re-elected in 2004. Re-elected in 2006. Re-elected in 2008. Re-elected in 2010. Re-elected in 2012. Re-elected in 2014. Re-elected in 2016. Lost renomination.[3] [4] | |||
| align=left | Michael San Nicolas | Democratic | nowrap | January 3, 2019 – January 3, 2023 | Elected in 2018.[5] Re-elected in 2020. Retired to run for Governor. | |||
| align=left | James Moylan | Republican | nowrap | January 3, 2023 – present | Elected in 2022. | |||