9th federal electoral district of Guerrero

The 9th federal electoral district of Guerrero (Spanish: Distrito electoral federal 09 de Guerrero) was a federal electoral district of the Mexican state of Guerrero from 1977 to 2024. An earlier 9th district was abolished in 1930.[a]

During its existence, the 9th district returned one deputy to the Chamber of Deputies for each of the 51st to 65th sessions of Congress. Votes cast in the district also counted towards the calculation of proportional representation ("plurinominal") deputies elected from the country's electoral regions.[4][5]

Created as part of the 1977 political reforms,[6] it was first contested in the 1979 mid-term election and elected its last deputy in the 2021 mid-terms. It was dissolved by the National Electoral Institute (INE) in its 2023 redistricting process because the state's population no longer warranted nine districts, though the incumbent deputy, Rosario Merlín García of the National Regeneration Movement (Morena), continued to represent the district until 2024.[7][8]

Territory

Evolution of electoral district numbers
1974 1978 1996 2005 2017 2023
Guerrero 6 10 10 9 9 8
Chamber of Deputies 196 300
Sources: [6][9][10][11]

2017–2022

In its final form, the 9th district covered 159 electoral precincts (secciones electorales) in the municipality of Acapulco. The head town (cabecera distrital), where results from individual polling stations were gathered together and tallied, was the port city of Acapulco.[12]

2005–2017

Guerrero lost its 10th district in the 2005 redistricting process. Between 2005 and 2017, the 9th district comprised 162 precincts in the eastern portion of the municipality of Acapulco. The head town was Acapulco.[13][14]

1996–2005

Under the 1996 districting plan, which allocated Guerrero ten districts, the 9th district was located in the municipality of Acapulco. It covered a part of the urban area and the municipality's rural hinterland.[b] The head town was at Acapulco.[15][14]

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, Guerrero's district allocation rose from six to ten.[16] The newly created 9th district had its head town at Tecpan de Galeana in the Costa Grande region and it covered the municipalities of Atoyac de Álvarez, Benito Juárez, José Azueta, Petatlán, Tecpan de Galeana and La Unión.[17]

Deputies returned to Congress

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
Guerrero's 9th district
Election Deputy Party Term Legislature
The 9th district was suspended between 1930 and 1978
1979 José María Serna Maciel[18] 1979–1982 51st Congress
1982 Efraín Zúñiga Galeana[19] 1982–1985 52nd Congress
1985 Nabor Ojeda Delgado[20] 1985–1988 53rd Congress
1988 María Inés Solís González[21] 1988–1991 54th Congress
1991 Efraín Zúñiga Galeana[22] 1991–1994 55th Congress
1994 Gabino Fernández Serna[23] 1994–1997 56th Congress
1997 Pablo Sandoval Ramírez[24] 1997–2000 57th Congress
2000 Juan José Nogueda Ruiz[25] 2000–2003 58th Congress
2003 Rosario Herrera Ascencio[26] 2003–2006 59th Congress
2006 César Flores Maldonado[27] 2006–2009 60th Congress
2009 Fermín Alvarado Arroyo[28] 2009–2012 61st Congress
2012 Rosario Merlín García[29] 2012–2015 62nd Congress
2015 Ricardo Taja Ramírez[30] 2015–2018 63rd Congress
2018[31] Rosario Merlín García[32] 2018–2021 64th Congress
2021[33] Rosario Merlín García[34] 2021–2024 65th Congress

Presidential elections

Guerrero's 9th district
Election District won by Party or coalition %
2018[35] Andrés Manuel López Obrador
Juntos Haremos Historia 		66.9349

Notes

  1. ^ An amendment to Article 52 of the Constitution in 1928 changed the original provision of "one deputy per 60,000 inhabitants" to "one deputy per 100,000";[1][2] as a result, the size of the Chamber of Deputies fell from 281 in the 1928 election to 171 in 1934.[3]
  2. ^ The urban core of Acapulco made up the 10th district.

References

  1. ^ "Diario Oficial de la Federación, 20 de agosto de 1928" (PDF). Diario Oficial de la Federación. 20 August 1928. Retrieved 11 May 2025.
  2. ^ "Artículo 52, reformas" (PDF). Suprema Corte de Justicia de la Nación. Retrieved 11 May 2025.
  3. ^ Godoy, Luis. "Reelección en la Cámara de Diputados, 1917–1934" (PDF). Instituto Tecnológico Autónomo de México. Retrieved 11 May 2025.
  4. ^ "How Mexico Elects Its Leaders – The Rules". Mexico Solidarity Project. 31 January 2024. Retrieved 17 August 2024.
  5. ^ "Circunscripciones" (PDF). Ayuda 2021. INE. Retrieved 17 August 2024.
  6. ^ a b 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 2024.
  7. ^ 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 2024.
  8. ^ Ramírez García, Rosalba (23 December 2022). "Confirma el INE que Guerrero pierde un distrito con la nueva demarcación electoral". El Sur: Periódico de Guerrero. Retrieved 17 August 2024.
  9. ^ "Memoria de la Distritación Nacional 2021–2023" (PDF). INE. p. 228. Archived from the original (PDF) on 28 May 2024. Retrieved 11 August 2024.
  10. ^ González Casanova, Pablo (1993). Las Elecciones en México: evolución y perspectivas (3 ed.). Siglo XXI. p. 219. ISBN 9789682313219. Retrieved 11 August 2024.
  11. ^ "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 22 May 2025.
  12. ^ "Descriptivo de la distritación federal: Guerrero, marzo 2017" (PDF). Cartografía. INE. Archived from the original (PDF) on 23 June 2024. Retrieved 17 August 2024.
  13. ^ "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 2024.
  14. ^ a b "Distritación de Guerrero 1996/2005" (PDF). IFE. Archived from the original (PDF) on 11 September 2008. Retrieved 9 August 2024. The link contains maps of the 2005 and 1996 schemes.
  15. ^ "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. 92. Retrieved 24 June 2025.
  16. ^ González Casanova, Pablo (1993). Las Elecciones en México: evolución y perspectivas (3 ed.). Siglo XXI. p. 219. ISBN 9789682313219. Retrieved 17 August 2024.
  17. ^ "División del territorio de la República en 300 distritos electorales uninominales para elecciones federales: Guerrero". Diario Oficial de la Federación. 29 May 1978. p. 25. Retrieved 17 August 2024. The link contains a list of the municipalities covered.
  18. ^ "Legislatura 51" (PDF). Biblioteca Virtual. Cámara de Diputados. Retrieved 17 August 2024.
  19. ^ "Legislatura 52" (PDF). Biblioteca Virtual. Cámara de Diputados. Retrieved 17 August 2024.
  20. ^ "Legislatura 53" (PDF). Biblioteca Virtual. Cámara de Diputados. Retrieved 17 August 2024.
  21. ^ "Legislatura 54" (PDF). Biblioteca Virtual. Cámara de Diputados. Retrieved 17 August 2024.
  22. ^ "Legislatura 55" (PDF). Biblioteca Virtual. Cámara de Diputados. Retrieved 17 August 2024.
  23. ^ "Legislatura 56" (PDF). Biblioteca Virtual. Cámara de Diputados. Retrieved 17 August 2024.
  24. ^ "Perfil: Dip. Pablo Sandoval Ramírez, LVII Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2024.
  25. ^ "Perfil: Dip. Juan José Nogueda Ruiz, LVIII Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2024.
  26. ^ "Perfil: Dip. María del Rosario Herrera Ascencio, LIX Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2024.
  27. ^ "Perfil: Dip. César Flores Maldonado, LX Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2024.
  28. ^ "Perfil: Dip. Fermín Gerardo Alvarado Arroyo, LXI Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2024.
  29. ^ "Perfil: Dip. María del Rosario Merlín García, LXII Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2024.
  30. ^ "Perfil: Dip. Ricardo Taja Ramírez, LXIII Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2024.
  31. ^ "Diputaciones: Guerrero. Distrito 9. Acapulco". Cómputos Distritales 2018. INE. Retrieved 7 July 2025.
  32. ^ "Perfil: Dip. María del Rosario Merlín García, LXIV Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2024.
  33. ^ "Diputaciones: Guerrero. Distrito 9. Acapulco". Cómputos Distritales 2021. INE. Retrieved 7 July 2025.
  34. ^ "Perfil: Dip. María del Rosario Merlín García, LXV Legislatura". Sistema de Información Legislativa (SIL). SEGOB. Retrieved 17 August 2024.
  35. ^ "Presidencia: Guerrero. Distrito 9. Acapulco". Cómputos Distritales 2018. INE. Retrieved 23 June 2025.

16°53′N 99°52′W / 16.883°N 99.867°W / 16.883; -99.867

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