# Political party strength in Guam

The following table indicates the party of elected officials in Guam, an unincorporated territory of the United States:
* Governor
* Lieutenant Governor
* Attorney General
The table also indicates the historical party composition in the:
* Territorial Legislature
* Territory delegation to the United States House of Representatives
For years in which a presidential election was held, the table indicates which party's nominees won the island's presidential straw poll.

## Table

| Year | Executive offices | Executive offices | Executive offices | Executive offices | Territorial Legislature | Delegate | Presidential straw poll |
| Year | Governor | Lieutenant Governor | Attorney General | Auditor | Territorial Legislature | Delegate | Presidential straw poll |
| 1951 | Carlton Skinner (D) | no such office | appointed | appointed | Popular Party majority | no such office | no such contest |
| 1952 | Carlton Skinner (D) | no such office | appointed | appointed | Popular Party majority | no such office | no such contest |
| 1953 | Ford Quint Elvidge (R) | no such office | appointed | appointed | Popular Party majority | no such office | no such contest |
| 1954 | Ford Quint Elvidge (R) | no such office | appointed | appointed | Popular Party majority | no such office | no such contest |
| 1955 | Ford Quint Elvidge (R) | no such office | appointed | appointed | Popular Party majority | no such office | no such contest |
| 1956 | Ford Quint Elvidge (R) | no such office | appointed | appointed | Popular Party majority | no such office | no such contest |
| 1957 | Richard Barrett Lowe (R) | no such office | appointed | appointed | Popular Party majority | no such office | no such contest |
| 1958 | Richard Barrett Lowe (R) | no such office | appointed | appointed | Popular Party majority | no such office | no such contest |
| 1959 | Richard Barrett Lowe (R) | no such office | appointed | appointed | Popular Party majority | no such office | no such contest |
| 1960 | Joseph Flores (R) | no such office | appointed | appointed | Popular Party majority | no such office | no such contest |
| 1961 | Bill Daniel (D) | no such office | appointed | appointed | Popular Party majority | no such office | no such contest |
| 1962 | Bill Daniel (D) | no such office | appointed | appointed | Popular Party majority | no such office | no such contest |
| 1963 | Manuel Flores Leon Guerrero (D) | no such office | appointed | appointed | Popular Party majority | no such office | no such contest |
| 1964 | Manuel Flores Leon Guerrero (D) | no such office | appointed | appointed | Popular Party majority | no such office | no such contest |
| 1965 | Manuel Flores Leon Guerrero (D) | no such office | appointed | appointed | Territorial Party majority | no such office | no such contest |
| 1966 | Manuel Flores Leon Guerrero (D) | no such office | appointed | appointed | Territorial Party majority | no such office | no such contest |
| 1967 | Manuel Flores Leon Guerrero (D) | no such office | appointed | appointed | D majority | no such office | no such contest |
| 1968 | Manuel Flores Leon Guerrero (D) | no such office | appointed | appointed | D majority | no such office | no such contest |
| 1969 | Carlos Camacho (R) | no such office | appointed | appointed | D majority | no such office | no such contest |
| 1970 | Carlos Camacho (R) | no such office | appointed | appointed | D majority | no such office | no such contest |
| 1971 | Carlos Camacho (R) | Kurt Moylan (R) | appointed | appointed | D majority | no such office | no such contest |
| 1972 | Carlos Camacho (R) | Kurt Moylan (R) | appointed | appointed | D majority | no such office | no such contest |
| 1973 | Carlos Camacho (R) | Kurt Moylan (R) | appointed | appointed | D majority | Antonio Borja Won Pat (D) | no such contest |
| 1974 | Carlos Camacho (R) | Kurt Moylan (R) | appointed | appointed | D majority | Antonio Borja Won Pat (D) | no such contest |
| 1975 | Ricardo Bordallo (D) | Rudy Sablan (D) | appointed | appointed | R majority | Antonio Borja Won Pat (D) | no such contest |
| 1976 | Ricardo Bordallo (D) | Rudy Sablan (D) | appointed | appointed | R majority | Antonio Borja Won Pat (D) | no such contest |
| 1977 | Ricardo Bordallo (D) | Rudy Sablan (D) | appointed | appointed | R majority | Antonio Borja Won Pat (D) | no such contest |
| 1978 | Ricardo Bordallo (D) | Rudy Sablan (D) | appointed | appointed | R majority | Antonio Borja Won Pat (D) | no such contest |
| 1979 | Paul McDonald Calvo (R) | Joseph Franklin Ada (R) | appointed | appointed | R majority | Antonio Borja Won Pat (D) | no such contest |
| 1980 | Paul McDonald Calvo (R) | Joseph Franklin Ada (R) | appointed | appointed | R majority | Antonio Borja Won Pat (D) | Jimmy Carter/ Walter Mondale (D) N |
| 1981 | Paul McDonald Calvo (R) | Joseph Franklin Ada (R) | appointed | appointed | R majority | Antonio Borja Won Pat (D) | Jimmy Carter/ Walter Mondale (D) N |
| 1982 | Paul McDonald Calvo (R) | Joseph Franklin Ada (R) | appointed | appointed | R majority | Antonio Borja Won Pat (D) | Jimmy Carter/ Walter Mondale (D) N |
| 1983 | Ricardo Bordallo (D) | Edward Diego Reyes (D) | appointed | appointed | D majority | Antonio Borja Won Pat (D) | Jimmy Carter/ Walter Mondale (D) N |
| 1984 | Ricardo Bordallo (D) | Edward Diego Reyes (D) | appointed | appointed | D majority | Antonio Borja Won Pat (D) | Ronald Reagan/ George H. W. Bush (R) Y |
| 1985 | Ricardo Bordallo (D) | Edward Diego Reyes (D) | appointed | appointed | D majority | Vicente T. Blaz (R) | Ronald Reagan/ George H. W. Bush (R) Y |
| 1986 | Ricardo Bordallo (D) | Edward Diego Reyes (D) | appointed | appointed | D majority | Vicente T. Blaz (R) | Ronald Reagan/ George H. W. Bush (R) Y |
| 1987 | Joseph Franklin Ada (R) | Frank Blas (R) | appointed | appointed | D majority | Vicente T. Blaz (R) | Ronald Reagan/ George H. W. Bush (R) Y |
| 1988 | Joseph Franklin Ada (R) | Frank Blas (R) | appointed | appointed | D majority | Vicente T. Blaz (R) | George H. W. Bush/ Dan Quayle (R) Y |
| 1989 | Joseph Franklin Ada (R) | Frank Blas (R) | appointed | appointed | D majority | Vicente T. Blaz (R) | George H. W. Bush/ Dan Quayle (R) Y |
| 1990 | Joseph Franklin Ada (R) | Frank Blas (R) | appointed | appointed | D majority | Vicente T. Blaz (R) | George H. W. Bush/ Dan Quayle (R) Y |
| 1991 | Joseph Franklin Ada (R) | Frank Blas (R) | appointed | appointed | D majority | Vicente T. Blaz (R) | George H. W. Bush/ Dan Quayle (R) Y |
| 1992 | Joseph Franklin Ada (R) | Frank Blas (R) | appointed | appointed | D majority | Vicente T. Blaz (R) | Bill Clinton/ Al Gore (D) Y |
| 1993 | Joseph Franklin Ada (R) | Frank Blas (R) | appointed | appointed | D majority | Robert A. Underwood (D) | Bill Clinton/ Al Gore (D) Y |
| 1994 | Joseph Franklin Ada (R) | Frank Blas (R) | appointed | appointed | D majority | Robert A. Underwood (D) | Bill Clinton/ Al Gore (D) Y |
| 1995 | Carl Gutierrez (D) | Madeleine Bordallo (D) | appointed | appointed | D majority | Robert A. Underwood (D) | Bill Clinton/ Al Gore (D) Y |
| 1996 | Carl Gutierrez (D) | Madeleine Bordallo (D) | appointed | appointed | D majority | Robert A. Underwood (D) | Bill Clinton/ Al Gore (D) Y |
| 1997 | Carl Gutierrez (D) | Madeleine Bordallo (D) | appointed | appointed | R majority | Robert A. Underwood (D) | Bill Clinton/ Al Gore (D) Y |
| 1998 | Carl Gutierrez (D) | Madeleine Bordallo (D) | appointed | appointed | R majority | Robert A. Underwood (D) | Bill Clinton/ Al Gore (D) Y |
| 1999 | Carl Gutierrez (D) | Madeleine Bordallo (D) | appointed | appointed | 10R, 5D | Robert A. Underwood (D) | Bill Clinton/ Al Gore (D) Y |
| 2000 | Carl Gutierrez (D) | Madeleine Bordallo (D) | appointed | Doris Flores Brooks (R) | 10R, 5D | Robert A. Underwood (D) | George W. Bush/ Dick Cheney (R) Y |
| 2001 | Carl Gutierrez (D) | Madeleine Bordallo (D) | appointed | Doris Flores Brooks (R) | 8R, 7D | Robert A. Underwood (D) | George W. Bush/ Dick Cheney (R) Y |
| 2002 | Carl Gutierrez (D) | Madeleine Bordallo (D) | appointed | Doris Flores Brooks (R) | 8R, 7D | Robert A. Underwood (D) | George W. Bush/ Dick Cheney (R) Y |
| 2003 | Felix Perez Camacho (R) | Kaleo Moylan (R) | Douglas Moylan (R) | Doris Flores Brooks (R) | 9D, 6R | Madeleine Bordallo (D) | George W. Bush/ Dick Cheney (R) Y |
| 2004 | Felix Perez Camacho (R) | Kaleo Moylan (R) | Douglas Moylan (R) | Doris Flores Brooks (R) | 9D, 6R | Madeleine Bordallo (D) | George W. Bush/ Dick Cheney (R) Y |
| 2005 | Felix Perez Camacho (R) | Kaleo Moylan (R) | Douglas Moylan (R) | Doris Flores Brooks (R) | 9R, 6D | Madeleine Bordallo (D) | George W. Bush/ Dick Cheney (R) Y |
| 2006 | Felix Perez Camacho (R) | Kaleo Moylan (R) | Douglas Moylan (R) | Doris Flores Brooks (R) | 9R, 6D | Madeleine Bordallo (D) | George W. Bush/ Dick Cheney (R) Y |
| 2007 | Felix Perez Camacho (R) | Michael Cruz (R) | Alicia Limtiaco (D) | Doris Flores Brooks (R) | 8R, 7D | Madeleine Bordallo (D) | George W. Bush/ Dick Cheney (R) Y |
| 2007 | Felix Perez Camacho (R) | Michael Cruz (R) | Alicia Limtiaco (D) | Doris Flores Brooks (R) | 7R, 7D | Madeleine Bordallo (D) | George W. Bush/ Dick Cheney (R) Y |
| 2008 | Felix Perez Camacho (R) | Michael Cruz (R) | Alicia Limtiaco (D) | Doris Flores Brooks (R) | 7R, 7D | Madeleine Bordallo (D) | Barack Obama/ Joe Biden (D) Y |
| 2008 | Felix Perez Camacho (R) | Michael Cruz (R) | Alicia Limtiaco (D) | Doris Flores Brooks (R) | 8D, 7R | Madeleine Bordallo (D) | Barack Obama/ Joe Biden (D) Y |
| 2009 | Felix Perez Camacho (R) | Michael Cruz (R) | Alicia Limtiaco (D) | Doris Flores Brooks (R) | 10D, 5R | Madeleine Bordallo (D) | Barack Obama/ Joe Biden (D) Y |
| 2010 | Felix Perez Camacho (R) | Michael Cruz (R) | Alicia Limtiaco (D) | Doris Flores Brooks (R) | 9D, 6R | Madeleine Bordallo (D) | Barack Obama/ Joe Biden (D) Y |
| 2011 | Eddie Baza Calvo (R) | Ray Tenorio (R) | Leonardo Rapadas (R) | Doris Flores Brooks (R) | 9D, 6R | Madeleine Bordallo (D) | Barack Obama/ Joe Biden (D) Y |
| 2012 | Eddie Baza Calvo (R) | Ray Tenorio (R) | Leonardo Rapadas (R) | Doris Flores Brooks (R) | 9D, 6R | Madeleine Bordallo (D) | Barack Obama/ Joe Biden (D) Y |
| 2013 | Eddie Baza Calvo (R) | Ray Tenorio (R) | Leonardo Rapadas (R) | Doris Flores Brooks (R) | 9D, 6R | Madeleine Bordallo (D) | Barack Obama/ Joe Biden (D) Y |
| 2014 | Eddie Baza Calvo (R) | Ray Tenorio (R) | Leonardo Rapadas (R) | Doris Flores Brooks (R) | 9D, 6R | Madeleine Bordallo (D) | Barack Obama/ Joe Biden (D) Y |
| 2015 | Eddie Baza Calvo (R) | Ray Tenorio (R) | Elizabeth Barrett-Anderson (R) | Doris Flores Brooks (R) | 9D, 6R | Madeleine Bordallo (D) | Barack Obama/ Joe Biden (D) Y |
| 2016 | Eddie Baza Calvo (R) | Ray Tenorio (R) | Elizabeth Barrett-Anderson (R) | Doris Flores Brooks (R) | 9D, 6R | Madeleine Bordallo (D) | Hillary Clinton/ Tim Kaine (D) N |
| 2017 | Eddie Baza Calvo (R) | Ray Tenorio (R) | Elizabeth Barrett-Anderson (R) | Doris Flores Brooks (R) | 9D, 6R | Madeleine Bordallo (D) | Hillary Clinton/ Tim Kaine (D) N |
| 2018 | Eddie Baza Calvo (R) | Ray Tenorio (R) | Elizabeth Barrett-Anderson (R) | Benjamin Cruz (D) | 9D, 6R | Madeleine Bordallo (D) | Hillary Clinton/ Tim Kaine (D) N |
| 2019 | Lou Leon Guerrero (D) | Josh Tenorio (D) | Leevin Camacho (NP) | Benjamin Cruz (D) | 10D, 5R | Michael San Nicolas (D) | Hillary Clinton/ Tim Kaine (D) N |
| 2020 | Lou Leon Guerrero (D) | Josh Tenorio (D) | Leevin Camacho (NP) | Benjamin Cruz (D) | 10D, 5R | Michael San Nicolas (D) | Joe Biden/ Kamala Harris (D) Y |
| 2021 | Lou Leon Guerrero (D) | Josh Tenorio (D) | Leevin Camacho (NP) | Benjamin Cruz (D) | 8D, 7R | Michael San Nicolas (D) | Joe Biden/ Kamala Harris (D) Y |
| 2022 | Lou Leon Guerrero (D) | Josh Tenorio (D) | Leevin Camacho (NP) | Benjamin Cruz (D) | 8D, 7R | Michael San Nicolas (D) | Joe Biden/ Kamala Harris (D) Y |
| 2023 | Lou Leon Guerrero (D) | Josh Tenorio (D) | Douglas Moylan (R) | Benjamin Cruz (D) | 9D, 6R | James Moylan (R) | Joe Biden/ Kamala Harris (D) Y |
| 2024 | Lou Leon Guerrero (D) | Josh Tenorio (D) | Douglas Moylan (R) | Benjamin Cruz (D) | 9D, 6R | James Moylan (R) | Kamala Harris/ Tim Walz (D) N |
| 2025 | Lou Leon Guerrero (D) | Josh Tenorio (D) | Douglas Moylan (R) | Benjamin Cruz (D) | 9R, 6D | James Moylan (R) | Kamala Harris/ Tim Walz (D) N |
| 2026 | Lou Leon Guerrero (D) | Josh Tenorio (D) | Douglas Moylan (R) | Benjamin Cruz (D) | 9R, 6D | James Moylan (R) | Kamala Harris/ Tim Walz (D) N |
* Alaskan Independence (AKIP)
* Know Nothing (KN)
* American Labor (AL)
* Anti-Jacksonian (Anti-J) National Republican (NR)
* Anti-Administration (AA)
* Anti-Masonic (Anti-M)
* Conservative (Con)
* Covenant (Cov)
* Democratic (D)
* Democratic–Farmer–Labor (DFL)
* Democratic–NPL (D-NPL)
* Dixiecrat (Dix), States' Rights (SR)
* Democratic-Republican (DR)
* Farmer–Labor (FL)
* Federalist (F) Pro-Administration (PA)
* Free Soil (FS)
* Fusion (Fus)
* Greenback (GB)
* Independence (IPM)
* Independent Democrat (ID)
* Independent Republican (IR)
* Jacksonian (J)
* Liberal (Lib)
* Libertarian (L)
* National Union (NU)
* Nonpartisan League (NPL)
* Nullifier (N)
* Opposition Northern (O) Opposition Southern (O)
* Populist (Pop)
* Progressive (Prog)
* Prohibition (Proh)
* Readjuster (Rea)
* Republican (R)
* Silver (Sv)
* Silver Republican (SvR)
* Socialist (Soc)
* Union (U)
* Unconditional Union (UU)
* Vermont Progressive (VP)
* Whig (W)
* Independent (I)
* Nonpartisan (NP)
* 1 2 3 4 5 6 Appointed by the President of the United States.
* ↑ The position was established in 1950 as a statutory position filled by gubernatorial appointment. Action by the United States Congress and the government of Guam changed subjected the office to popular election beginning in 2002.
* ↑ Presidential straw poll first conducted in 1984.
* ↑ Republican Tony Ada won a special election in March 2010 following the resignation of Democrat Matt Rector.