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Joe S. San Agustin
2017 - Present
2027
8
Joe S. San Agustin (Democratic Party) is a member of the Guam Senate. He assumed office on January 3, 2017. His current term ends on January 4, 2027.
Agustin (Democratic Party) is running for election for Governor of Guam. He declared candidacy for the 2026 election.[source]
Elections
2026
See also: Guam gubernatorial and lieutenant gubernatorial election, 2026
General election
The general election will occur on November 3, 2026.
General election for Governor of Guam
Joe S. San Agustin, Josh Tenorio, Vicente Ada, Frank Blas Jr., and Marcel Camacho are running in the general election for Governor of Guam on November 3, 2026.
Candidate | ||
Joe S. San Agustin (D) | ||
Josh Tenorio (D) | ||
![]() | Vicente Ada (R) | |
![]() | Frank Blas Jr. (R) | |
Marcel Camacho (R) |
![]() | ||||
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Endorsements
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2024
See also: Guam Legislature elections, 2024
General election
General election for Guam Senate (15 seats)
The following candidates ran in the general election for Guam Senate on November 5, 2024.
Candidate | % | Votes | ||
✔ | Therese Terlaje (D) | 6.6 | 20,189 | |
✔ | ![]() | Darrel Barnett (D) | 6.0 | 18,139 |
✔ | ![]() | Vicente Ada (R) | 5.5 | 16,711 |
✔ | Joe S. San Agustin (D) | 5.1 | 15,501 | |
✔ | Tina Muña Barnes (D) | 4.8 | 14,662 | |
✔ | ![]() | Sabrina Salas Matanane (R) | 4.8 | 14,659 |
✔ | ![]() | Jesse Lujan (R) | 4.7 | 14,185 |
✔ | ![]() | Frank Blas Jr. (R) | 4.6 | 14,020 |
✔ | ![]() | Shelly Calvo (R) | 4.3 | 13,149 |
✔ | ![]() | William Parkinson (D) | 4.1 | 12,503 |
✔ | ![]() | Christopher Duenas (R) | 4.0 | 12,254 |
✔ | ![]() | Vincent Borja (R) | 4.0 | 12,143 |
✔ | Sabina Flores Perez (D) | 4.0 | 12,077 | |
✔ | Telo Taitague (R) | 3.8 | 11,627 | |
✔ | ![]() | Eulogio Gumataotao (R) ![]() | 3.8 | 11,526 |
![]() | Roy Quinata (D) | 3.7 | 11,246 | |
Dwayne San Nicolas (D) | 3.7 | 11,240 | ||
![]() | Joanne Brown (R) | 3.6 | 11,103 | |
Angela Santos (D) | 3.4 | 10,431 | ||
Thomas Fisher (R) | 3.4 | 10,247 | ||
Vic Gaza (R) | 2.9 | 8,916 | ||
David Crisostomo (D) | 2.5 | 7,606 | ||
William Payne Jr. (R) | 2.4 | 7,188 | ||
David Duenas (D) | 2.2 | 6,603 | ||
Bistra Mendiola (R) | 1.9 | 5,757 | ||
Other/Write-in votes | 0.3 | 947 |
Total votes: 304,629 | ||||
![]() | ||||
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Democratic primary election
Democratic primary for Guam Senate (15 seats)
The following candidates ran in the Democratic primary for Guam Senate on August 3, 2024.
Candidate | % | Votes | ||
✔ | Therese Terlaje | 11.7 | 9,425 | |
✔ | ![]() | Darrel Barnett | 10.6 | 8,500 |
✔ | Joe S. San Agustin | 10.3 | 8,289 | |
✔ | Tina Muña Barnes | 9.9 | 7,959 | |
✔ | ![]() | William Parkinson | 8.8 | 7,050 |
✔ | Sabina Flores Perez | 8.5 | 6,800 | |
✔ | ![]() | Roy Quinata | 8.4 | 6,740 |
✔ | Dwayne San Nicolas | 8.0 | 6,394 | |
✔ | Angela Santos | 7.8 | 6,272 | |
✔ | David Crisostomo | 6.3 | 5,102 | |
✔ | David Duenas | 5.8 | 4,639 | |
Other/Write-in votes | 4.0 | 3,197 |
Total votes: 80,367 | ||||
![]() | ||||
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Republican primary election
Republican primary for Guam Senate (15 seats)
The following candidates ran in the Republican primary for Guam Senate on August 3, 2024.
Candidate | % | Votes | ||
✔ | ![]() | Vicente Ada | 9.1 | 3,584 |
✔ | ![]() | Sabrina Salas Matanane | 8.2 | 3,222 |
✔ | ![]() | Frank Blas Jr. | 8.0 | 3,141 |
✔ | ![]() | Jesse Lujan | 7.9 | 3,110 |
✔ | ![]() | Christopher Duenas | 7.7 | 3,036 |
✔ | Telo Taitague | 7.3 | 2,879 | |
✔ | ![]() | Shelly Calvo | 7.3 | 2,846 |
✔ | ![]() | Joanne Brown | 7.2 | 2,845 |
✔ | ![]() | Eulogio Gumataotao ![]() | 7.1 | 2,781 |
✔ | ![]() | Vincent Borja | 7.0 | 2,738 |
✔ | Vic Gaza | 6.0 | 2,363 | |
✔ | William Payne Jr. | 5.7 | 2,228 | |
✔ | Thomas Fisher | 5.6 | 2,200 | |
✔ | Bistra Mendiola | 5.1 | 2,016 | |
Other/Write-in votes | 0.7 | 262 |
Total votes: 39,251 | ||||
![]() | ||||
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Endorsements
Ballotpedia did not identify endorsements for Agustin in this election.
2022
See also: Guam Legislature elections, 2022
General election
General election for Guam Senate (15 seats)
The following candidates ran in the general election for Guam Senate on November 8, 2022.
Candidate | % | Votes | ||
✔ | Therese Terlaje (D) | 5.9 | 22,127 | |
✔ | ![]() | Darrel Barnett (D) | 5.8 | 21,515 |
✔ | ![]() | Amanda Shelton (D) | 4.8 | 17,915 |
✔ | Joe S. San Agustin (D) | 4.7 | 17,601 | |
✔ | Tina Muña Barnes (D) | 4.5 | 16,897 | |
✔ | ![]() | Frank Blas Jr. (R) | 4.2 | 15,590 |
✔ | Thomas Fisher (R) | 3.8 | 14,212 | |
✔ | ![]() | Roy Quinata (D) | 3.7 | 13,903 |
✔ | ![]() | William Parkinson (D) | 3.7 | 13,709 |
✔ | ![]() | Christopher Duenas (R) | 3.6 | 13,434 |
✔ | Dwayne San Nicolas (D) | 3.5 | 12,919 | |
✔ | Telo Taitague (R) | 3.4 | 12,492 | |
✔ | Sabina Flores Perez (D) | 3.3 | 12,330 | |
✔ | ![]() | Joanne Brown (R) | 3.3 | 12,233 |
✔ | ![]() | Jesse Lujan (R) | 3.3 | 12,134 |
Kelly Marsh-Taitano (D) | 3.2 | 11,750 | ||
Maryann Silva Taijeron (R) | 3.1 | 11,593 | ||
Sarah Thomas Nededog (D) | 3.1 | 11,576 | ||
Jonathan Savares (D) | 3.1 | 11,471 | ||
Jose Terlaje (D) | 3.0 | 11,012 | ||
Fred Bordallo Jr. (D) | 3.0 | 11,008 | ||
![]() | Vincent Borja (R) | 2.8 | 10,533 | |
MiChelle Hope Taitano (R) | 2.8 | 10,265 | ||
![]() | Shirley Mabini Young (R) | 2.7 | 10,021 | |
Angela Santos (D) | 2.4 | 9,104 | ||
Joaquin Leon Guerrero (R) | 2.4 | 8,809 | ||
Sandra Seau (R) | 2.1 | 7,827 | ||
Bistra Mendiola (R) | 2.0 | 7,514 | ||
David Crisostomo (R) | 1.9 | 6,960 | ||
Ian Dale Catling (R) | 1.0 | 3,683 | ||
Other/Write-in votes | 0.2 | 574 |
Total votes: 372,711 | ||||
![]() | ||||
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Democratic primary election
Democratic primary for Guam Senate (15 seats)
The following candidates ran in the Democratic primary for Guam Senate on August 27, 2022.
Candidate | % | Votes | ||
✔ | Therese Terlaje | 8.3 | 14,225 | |
✔ | ![]() | Darrel Barnett | 7.5 | 12,788 |
✔ | Joe S. San Agustin | 6.9 | 11,793 | |
✔ | ![]() | Amanda Shelton | 6.5 | 11,072 |
✔ | Tina Muña Barnes | 6.2 | 10,657 | |
✔ | ![]() | Roy Quinata | 5.3 | 9,104 |
✔ | Sabina Flores Perez | 5.1 | 8,741 | |
✔ | ![]() | William Parkinson | 5.0 | 8,510 |
✔ | Sarah Thomas Nededog | 4.9 | 8,351 | |
✔ | Kelly Marsh-Taitano | 4.7 | 8,036 | |
✔ | Fred Bordallo Jr. | 4.7 | 8,021 | |
✔ | Jose Terlaje | 4.5 | 7,753 | |
✔ | Dwayne San Nicolas | 4.4 | 7,538 | |
✔ | Jonathan Savares | 4.1 | 7,050 | |
✔ | Angela Santos | 3.9 | 6,740 | |
Roy Gamboa | 3.5 | 5,957 | ||
Alexander Duenas | 3.4 | 5,782 | ||
John Ananich II | 3.1 | 5,216 | ||
David Duenas | 2.9 | 5,009 | ||
Franklin Meno | 2.7 | 4,663 | ||
Armando Dominguez | 2.0 | 3,442 | ||
Other/Write-in votes | 0.1 | 248 |
Total votes: 170,696 | ||||
![]() | ||||
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
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Republican primary election
Republican primary for Guam Senate (15 seats)
The following candidates ran in the Republican primary for Guam Senate on August 27, 2022.
Candidate | % | Votes | ||
✔ | ![]() | Frank Blas Jr. | 8.2 | 2,397 |
✔ | ![]() | Christopher Duenas | 8.1 | 2,378 |
✔ | ![]() | Jesse Lujan | 7.3 | 2,158 |
✔ | ![]() | Joanne Brown | 7.1 | 2,087 |
✔ | Thomas Fisher | 7.1 | 2,081 | |
✔ | Maryann Silva Taijeron | 6.9 | 2,031 | |
✔ | Telo Taitague | 6.7 | 1,968 | |
✔ | MiChelle Hope Taitano | 6.6 | 1,940 | |
✔ | ![]() | Vincent Borja | 6.2 | 1,818 |
✔ | ![]() | Shirley Mabini Young | 5.8 | 1,712 |
✔ | David Crisostomo | 5.7 | 1,678 | |
✔ | Joaquin Leon Guerrero | 5.7 | 1,670 | |
✔ | Sandra Seau | 5.7 | 1,664 | |
✔ | Bistra Mendiola | 5.5 | 1,603 | |
✔ | Ian Dale Catling | 4.0 | 1,182 | |
Harvey Egna | 3.3 | 964 | ||
Other/Write-in votes | 0.2 | 49 |
Total votes: 29,380 | ||||
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Withdrawn or disqualified candidates
- Don Edquilane (R)
2020
See also: Guam Legislature elections, 2020
General election
General election for Guam Senate (15 seats)
The following candidates ran in the general election for Guam Senate on November 3, 2020.
Candidate | % | Votes | ||
✔ | Therese Terlaje (D) | 6.4 | 18,993 | |
✔ | James Moylan (R) | 5.8 | 17,228 | |
✔ | Telena Cruz Nelson (D) | 5.2 | 15,195 | |
✔ | Joe S. San Agustin (D) | 5.1 | 15,121 | |
✔ | Mary Camacho Torres (R) | 5.1 | 14,892 | |
✔ | ![]() | Vicente Ada (R) | 4.7 | 13,848 |
✔ | ![]() | Amanda Shelton (D) | 4.6 | 13,571 |
✔ | Telo Taitague (R) | 4.6 | 13,468 | |
✔ | ![]() | Frank Blas Jr. (R) | 4.5 | 13,225 |
✔ | Tina Muña Barnes (D) | 4.0 | 11,850 | |
✔ | Clynton Ridgell (D) | 3.9 | 11,530 | |
✔ | ![]() | Christopher Duenas (R) | 3.8 | 11,246 |
✔ | ![]() | Joanne Brown (R) | 3.5 | 10,226 |
✔ | Sabina Flores Perez (D) | 3.4 | 9,976 | |
✔ | Jose Terlaje (D) | 3.3 | 9,774 | |
Kelly Marsh (D) | 3.1 | 9,283 | ||
John Ananich II (D) | 3.1 | 9,092 | ||
![]() | Vincent Borja (R) | 3.0 | 8,746 | |
Fred Bordallo Jr. (D) | 3.0 | 8,713 | ||
Frank Leon Guerrero (D) | 2.8 | 8,356 | ||
Joaquin Leon Guerrero (R) | 2.6 | 7,805 | ||
Joseph Cruz (R) | 2.4 | 7,119 | ||
Sandra Seau (R) | 2.2 | 6,525 | ||
Michelle Armenta (R) | 2.1 | 6,239 | ||
Franklin Meno (D) | 1.8 | 5,313 | ||
Christopher Carillo (D) | 1.6 | 4,842 | ||
David Duenas (D) | 1.6 | 4,746 | ||
Dominic Hernandez (R) | 1.4 | 4,158 | ||
Don Edquilane (R) | 1.1 | 3,185 | ||
Other/Write-in votes | 0.2 | 479 |
Total votes: 294,744 | ||||
![]() | ||||
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
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Democratic primary election
The Democratic primary election was canceled.
Republican primary election
The Republican primary election was canceled.
Campaign themes
2026
Ballotpedia survey responses
See also: Ballotpedia's Candidate Connection
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2024
Joe S. San Agustin did not complete Ballotpedia's 2024 Candidate Connection survey.
2022
Joe S. San Agustin did not complete Ballotpedia's 2022 Candidate Connection survey.
2020
Joe S. San Agustin did not complete Ballotpedia's 2020 Candidate Connection survey.
See also
2026 Elections
External links
Footnotes