8th federal electoral district of Guanajuato

Guanajuato's 8th
Electoral district of the
Chamber of Deputies of Mexico
  8th district since 2017
Incumbent
MemberErnesto Prieto Gallardo
Party▌Morena
Congress66th (2024–2027)
District
StateGuanajuato
Head townSalamanca
Coordinates20°34′N 101°12′W / 20.567°N 101.200°W / 20.567; -101.200
Covers
3 municipalities
PR regionSecond
Precincts220
Population422,317 (2020 Census)
2023 districting scheme for Guanajuato
Guanajuato's districts in 2017–2022

The 8th federal electoral district of Guanajuato (Spanish: Distrito electoral federal 08 de Guanajuato) is one of the 300 electoral districts into which Mexico is divided for elections to the federal Chamber of Deputies and one of 15 such districts in the state of Guanajuato.[1]

It elects one deputy to the lower house of Congress for each three-year legislative session by means of the first-past-the-post system. Votes cast in the district also count towards the calculation of proportional representation ("plurinominal") deputies elected from the second region.[2][3]

The current member for the district, elected in the 2024 general election, is Ernesto Alejandro Prieto Gallardo of the National Regeneration Movement (Morena).[4][5]

District territory

Under the 2023 districting plan adopted by the National Electoral Institute (INE), which is to be used for the 2024, 2027 and 2030 federal elections,[6] the 8th district covers central Guanajuato and comprises 220 electoral precincts (secciones electorales) across three of the state's 46 municipalities:[7]

The head town (cabecera distrital), where results from individual polling stations are gathered together and tallied, is the city of Salamanca. The district reported a population of 422,317 in the 2020 Census.[1]

Previous districting schemes

Evolution of electoral district numbers
1974 1978 1996 2005 2017 2023
Guanajuato 9 13 15 14 15 15
Chamber of Deputies 196 300
Sources: [1][8][9][10]

2017–2022

Between 2017 and 2022, the 8th district had the same configuration as in the 2023 districting scheme.[11][10]

2005–2017

Under the 2005 plan, Guanajuato had only 14 districts. This district's head town was at Salamanca and it covered four municipalities:[12][13]
  • Salamanca, Santa Cruz de Juventino Rosas and Villagrán, as in the later plans, plus Pueblo Nuevo.

1996–2005

In the 1996 scheme, under which Guanajuato was assigned 15 seats, the district had the same configuration as in the 2005 plan.[14][13]

1978–1996

The districting scheme in force from 1978 to 1996 was the result of the 1977 electoral reforms, which increased the number of single-member seats in the Chamber of Deputies from 196 to 300. Under that plan, Guanajuato's seat allocation rose from 9 to 13.[8] The 8th district was in the east of the state and it covered the municipalities of Celaya (which served as the head town) and Comonfort.[15]

Deputies returned to Congress

Mexico National parties
Current
PAN
PRI
PT
PVEM
MC
Morena
Defunct or local only
PLM
PNR
PRM
PNM
PP
PPS
PARM
PFCRN
Convergencia
PANAL
PSD
PES
PES
PRD
Guanajuato's 8th district
Election Deputy Party Term Legislature
1916 Hilario Medina[16][17] 1916–1917 Constituent Congress
of Querétaro
...
1970 Roberto Suárez Nieto[18] 1970–1973 48th Congress
1973 Ignacio Vázquez Torres[19] 1973–1976 49th Congress
1976 Graciela Meave Torrescano[20] 1976–1979 50th Congress
1979 Ofelia Ruiz Vega[21] 1979–1982 51st Congress
1982 Luis Dantón Rodríguez[22] 1982–1985 52nd Congress
1985 Jaime Martínez Jasso[23] 1985–1988 53rd Congress
1988 José Manuel Mendoza Márquez[24] 1988–1991 54th Congress
1991 Mauricio Wolnitzer Clark y Ovadía[25] 1991–1994 55th Congress
1994 Josefina Balleza Sánchez[26] 1994–1997 56th Congress
1997 Rogelio Chabolla García[27][a]
Sergio Rosario Salazar Rojas[28]
1997–1998
1998–2000 		57th Congress
2000 Juan Alcocer Flores[29] 2000–2003 58th Congress
2003 Carla Rochín Nieto[30] 2003–2006 59th Congress
2006 Antonio Vega Corona[31] 2006–2009 60th Congress
2009 Tomás Gutiérrez Ramírez[32] 2009–2012 61st Congress
2012 Genaro Carreño Muro[33] 2012–2015 62nd Congress
2015 Karina Padilla Ávila[34] 2015–2018 63rd Congress
2018[35] Justino Eugenio Arriaga Rojas[36] 2018–2021 64th Congress
2021[37] Justino Eugenio Arriaga Rojas[38][b] 2021–2024 65th Congress
2024[4] Ernesto Alejandro Prieto Gallardo[5] 2024–2027 66th Congress

Presidential elections

Guanajuato's 8th district
Election District won by Party or coalition %
2018[39] Andrés Manuel López Obrador
Juntos Haremos Historia 		41.1395
2024[40] Claudia Sheinbaum Pardo
Sigamos Haciendo Historia 		56.9641

Notes

  1. ^ Originally elected for the PAN, Chabolla García declared himself an independent on 26 August 1998. He resigned his seat on 3 September 1998 and was replaced for the remainder of his term by his alternate, Salazar Rojas.
  2. ^ Originally elected for the PAN, Arriaga Rojas switched allegiance to Morena on 2 February 2023.

References

  1. ^ a b c "Memoria de la Distritación Nacional 2021–2023" (PDF). INE. p. 224. Archived from the original (PDF) on 28 May 2024. Retrieved 17 August 2025.
  2. ^ "How Mexico Elects Its Leaders – The Rules". Mexico Solidarity Project. 31 January 2024. Retrieved 17 August 2025.
  3. ^ "Circunscripciones" (PDF). Ayuda 2021. INE. Retrieved 17 August 2025.
  4. ^ a b "Diputaciones: Guanajuato. Distrito 8. Salamanca". Cómputos Distritales 2024. INE. Retrieved 17 August 2025.
  5. ^ a b "Perfil: Dip. Ernesto Alejandro Prieto Gallardo, LXVI Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2025.
  6. ^ De la Rosa, Yared (20 February 2023). "Nueva distritación electoral le quita diputados a la CDMX y le agrega a Nuevo León". Forbes México. Retrieved 17 August 2025.
  7. ^ "Acuerdo del Consejo General del Instituto Nacional Electoral por el que se aprueba el proyecto de la demarcación territorial de los trescientos distritos electorales federales uninominales". Diario Oficial de la Federación. 20 February 2023. p. 434. Retrieved 17 August 2025.
  8. ^ a b González Casanova, Pablo (1993). Las Elecciones en México: evolución y perspectivas (3 ed.). Siglo XXI. p. 219. ISBN 9789682313219. Retrieved 17 August 2025.
  9. ^ Baños Martínez, Marco Antonio; Palacios Mora, Celia (2014). "Evolución territorial de los distritos electorales federales uninominales, 1977–2010" [Territorial evolution of the federal uninominal electoral districts, 1977–2010]. Investigaciones Geográficas (84). Mexico City: Instituto de Geografía, UNAM: 92. doi:10.14350/rig.34063. Retrieved 17 August 2025.
  10. ^ a b "Acuerdo del Consejo General del Instituto Nacional Electoral por el que se aprueba la demarcación territorial de los 300 distritos electorales federales uninominales" (PDF). Repositorio Documental. INE. 15 March 2017. Retrieved 17 August 2025.
  11. ^ "Descriptivo de la distritación federal: Guanajuato, marzo de 2017" (PDF). INE. March 2017. Archived from the original (PDF) on 27 June 2018. Retrieved 17 August 2025.
  12. ^ "Acuerdo del Consejo General del Instituto Federal Electoral por el que se establece la demarcación territorial de los trescientos distritos electorales federales uninominales". Diario Oficial de la Federación. 2 March 2005. Retrieved 17 August 2025.
  13. ^ a b "Condensado estatal de Guanajuato 1996–2005" (PDF). IFE. Archived from the original (PDF) on 19 May 2006. Retrieved 17 August 2025. The link contains maps of the 2005 and 1996 schemes.
  14. ^ "Acuerdo del Consejo General del Instituto Federal Electoral por el que se establece la demarcación territorial de los trescientos distritos electorales federales uninominales". Diario Oficial de la Federacion. 12 August 1996. p. 88. Retrieved 17 August 2025.
  15. ^ "División del territorio de la República en 300 distritos electorales uninominales para elecciones federales: Guanajuato". Diario Oficial de la Federación. 29 May 1978. p. 24. Retrieved 17 August 2025.
  16. ^ "Lista de diputados al Congreso Constituyente 1916–1917" (PDF). Constitución de 1917. Secretaría de Cultura. Retrieved 17 August 2025.
  17. ^ "Hilario Medina". Constitución de 1917. Secretaría de Cultura. Retrieved 17 August 2025.
  18. ^ "Legislatura 48" (PDF). Biblioteca Virtual. Cámara de Diputados. Retrieved 17 August 2025.
  19. ^ "Legislatura 49" (PDF). Biblioteca Virtual. Cámara de Diputados. Retrieved 17 August 2025.
  20. ^ "Legislatura 50" (PDF). Biblioteca Virtual. Cámara de Diputados. Retrieved 17 August 2025.
  21. ^ "Legislatura 51" (PDF). Biblioteca Virtual. Cámara de Diputados. Retrieved 17 August 2025.
  22. ^ "Legislatura 52" (PDF). Biblioteca Virtual. Cámara de Diputados. Retrieved 17 August 2025.
  23. ^ "Legislatura 53" (PDF). Biblioteca Virtual. Cámara de Diputados. Retrieved 17 August 2025.
  24. ^ "Legislatura 54" (PDF). Biblioteca Virtual. Cámara de Diputados. Retrieved 17 August 2025.
  25. ^ "Legislatura 55" (PDF). Biblioteca Virtual. Cámara de Diputados. Retrieved 17 August 2025.
  26. ^ "Legislatura 56" (PDF). Biblioteca Virtual. Cámara de Diputados. Retrieved 17 August 2025.
  27. ^ "Perfil: Dip. Rogelio Chabolla García, LVII Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2025.
  28. ^ "Perfil: Dip. Sergio Rosario Salazar Rojas, LVII Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2025.
  29. ^ "Perfil: Dip. Juan Alcocer Flores, LVIII Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2025.
  30. ^ "Perfil: Dip. Carla Rochín Nieto, LIX Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2025.
  31. ^ "Perfil: Dip. Antonio Vega Corona, LX Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2025.
  32. ^ "Perfil: Dip. Tomás Gutiérrez Ramírez, LXI Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2025.
  33. ^ "Perfil: Dip. Genaro Carreño Muro, LXII Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2025.
  34. ^ "Perfil: Dip. Karina Padilla Ávila, LXIII Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2025.
  35. ^ "Diputaciones: Guanajuato. Distrito 8. Salamanca". Cómputos Distritales 2018. INE. Retrieved 17 August 2025.
  36. ^ "Perfil: Dip. Justino Eugenio Arriaga Rojas, LXIV Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2025.
  37. ^ "Diputaciones: Guanajuato. Distrito 8. Salamanca". Cómputos Distritales 2021. INE. Retrieved 17 August 2025.
  38. ^ "Perfil: Dip. Justino Eugenio Arriaga Rojas, LXV Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2025.
  39. ^ "Presidencia: Guanajuato. Distrito 8. Salamanca". Cómputos Distritales 2018. INE. Retrieved 17 August 2025.
  40. ^ "Presidencia: Guanajuato. Distrito 8. Salamanca". Cómputos Distritales 2024. INE. Retrieved 17 August 2025.
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