2004 Mexican elections
June 20, 2004
= [[Yucatán]] =
- State congress, and mayors.{{Cite news |last=Ernesto Emmerich |first=Gustavo |title=Mexico’s 2004 Local Elections What to Expect |url=http://www.revistascisan.unam.mx/Voices/pdfs/6702.pdf |url-status=live |archive-url=https://web.archive.org/web/20240824202145/http://www.revistascisan.unam.mx/Voices/pdfs/6702.pdf |archive-date=24 August 2024 |access-date=24 August 2024 |work=Voices of Mexico}}
- See: 2004 Yucatán state election
July 4, 2004
= [[Chihuahua (state)|Chihuahua]] =
- Governor, state congress, and mayors.
- See: 2004 Chihuahua state election
=[[Durango]]=
- Governor, state congress, and mayors.
- See: 2004 Durango state election
=[[Zacatecas]]=
- Governor, state congress, and mayors.
- See: 2004 Zacatecas state election
=[[Baja California]]=
- State congress and five mayors.
- See: 2004 Baja California state election
August 1, 2004
=[[Aguascalientes]]=
- Governor, state congress, and mayors.
- See: 2004 Aguascalientes state election
=[[Oaxaca]]=
- Governor, state congress, and mayors.
- See: 2004 Oaxaca state election
September 15, 2004
=[[Veracruz]]=
- Governor, state congress, and mayors.
- See: 2004 Veracruz state election
October 3, 2004
= [[Tamaulipas]] =
- Governor, state congress, and mayors.
- See: 2004 Tamaulipas state election
October 17, 2004
= [[Chiapas]] =
- State congress and mayors.
- See: 2004 Chiapas state election
November 14, 2004
= [[Michoacán]] =
- State congress, and mayors.
- See: 2004 Michoacán state election
=[[Puebla]]=
- Governor, state congress, and mayors.
- See: 2004 Puebla state election
=[[Sinaloa]]=
- Governor, state congress, and mayors.
- See: 2004 Sinaloa state election
=[[Tlaxcala]]=
- Governor, state congress, and mayors.
- See: 2004 Tlaxcala state election