The LXI Legislature of the Congress of the Union, the 61st session of the Congress of Mexico, met from 1 September 2009 to 31 August 2012. Members of the upper house of the Congress were selected in the elections of July 2006 while members of the lower house of the Congress were selected in the elections of July 2009.

Composition Out of 128 Senate seats, the Institutional Revolutionary Party (known as the PRI) controlled 50; the conservative National Action Party (PAN) controlled 33; while the left-wing Party of the Democratic Revolution (PRD) controlled 23. Additionally, the Green Party of Mexico controlled eight seats, the Labor Party and the New Alliance Party each controlled five, and the Citizens' Movement four.

Out of 500 seats of the Chamber of Deputies, the PRI had 239; the PAN had 142; and the PRD controlled 69. Among smaller parties, the Green Party controlled 23, the Labor Party controlled 13, the New Alliance controlled seven, and the Citizens' Movement controlled 6. Additionally there was one independent.

Senators

By state State Name Party State Name Party Aguascalientes Rubén Camarillo Ortega PAN Morelos Sergio Álvarez Mata PAN Aguascalientes Norma EsparzaReplacing Carlos Lozano de la Torre PRI Morelos Adrián Rivera Pérez PAN Aguascalientes Felipe González González PAN Nayarit Francisco Javier Castellón PRD Baja California Fernando Castro Trenti PRI Nayarit Raúl José Mejía González PRI Baja California Jaime Rafael Díaz Ochoa PAN Nayarit Gerardo Montenegro Ibarra PRI Baja California Alejandro González Alcocer PAN Nuevo León Eloy Cantú Segovia PRI Baja California Sur Luis Coppola Joffroy PAN Nuevo León Blanca Judith Díaz Delgado PAN Baja California Sur Josefina Cota Cota PRD Nuevo León Fernando Elizondo Barragán PAN Baja California Sur Francisco Javier Obregón Espinoza PT Oaxaca Armando Contreras CastilloReplacing Salomón Jara Cruz PRD Campeche Sebastián Calderón Centeno PAN Oaxaca Ericel GómezReplacing Gabino Cué Monteagudo MC Campeche Carmen Guadalupe FonzReplacing Fernando Ortega Bernés PRI Oaxaca Adolfo Toledo Infanzón PRI Campeche Alejandro Moreno Cárdenas PRI Puebla Humberto Aguilar Coronado PAN Chiapas María Elena Orantes PRI Puebla María Leticia JassoReplacing Rafael Moreno Valle PAN Chiapas Rubén Velázquez López PRD Puebla Melquiades Morales PRI Chihuahua Fernando Baeza Meléndez PRI Querétaro María García QuirozReplacing José Eduardo Calzada Rovirosa PRI Chihuahua Ramón Galindo Noriega PAN Querétaro Eduardo Nava Bolaños PAN Chihuahua Gustavo Madero Muñoz PAN Querétaro Guillermo Tamborrel Suárez PAN Coahuila José Guillermo Anaya Llamas PAN Quintana Roo José Luis García Zalvidea PRD Coahuila Jesús María Ramón Valdés PRI Quintana Roo Pedro Joaquín Coldwell PRI Coahuila Ernesto Saro Boardman PAN Quintana Roo Ludivina Menchaca PVEM Colima Jesús Dueñas Llerenas PAN San Luis Potosí Eugenio Govea Arcos MC Colima Rogelio Rueda Sánchez PRI San Luis Potosí Carlos Jiménez Macías PRI Colima Martha Leticia Sosa Govea PAN San Luis Potosí Alejandro Zapata Perogordo PAN Federal District René Arce Islas PVEM Sinaloa Francisco Labastida Ochoa PRI Federal District Federico Döring PAN Sinaloa María Serrano SerranoReplacing Heriberto Félix Guerra PAN Federal District Pablo Gómez Álvarez PRD Sinaloa Margarita Villaescusa RojoReplacing Mario López Valdez PRI Durango Andrés Galván Rivas PAN Sonora Javier Castelo Parada PAN Durango Juán Quiñones RuizReplacing Rodolfo Dorador PAN Sonora Alfonso Elías Serrano PRI Durango Ricardo Pacheco Rodríguez PRI Sonora Emma Larios GaxiolaReplacing Guillermo Padrés Elías PAN Guanajuato Humberto Andrade Quezada PAN Tabasco Dolores Gutiérrez ZuritaReplacing Arturo Núñez Jiménez PRD Guanajuato Francisco Arroyo Vieyra PRI Tabasco Francisco Herrera León PRI Guanajuato Luis Alberto Villarreal PAN Tabasco Martha Jiménez OropezaReplacing Rosalinda López Hernández PRD Guerrero Julio César Aguirre MéndezReplacing Lázaro Mazón Alonso PRD Tamaulipas Amira Griselda Gómez PRI Guerrero Antelmo AlvaradoReplacing Ángel Aguirre Rivero PRI Tamaulipas Nelly González AguilarReplacing Alejandro Galván Garza PAN Guerrero Valentín Guzmán SotoReplacing David Jiménez Rumbo PRD Tamaulipas José Julián Sacramento PAN Hidalgo Francisco Xavier Berganza PANAL Tlaxcala Minerva Hernández Ramos PAN Hidalgo José Guadarrama Márquez PRD Tlaxcala Rosalía Peredo PANAL Hidalgo Jesús Murillo Karam PRI Tlaxcala Alfonso Sánchez Anaya PRD Jalisco Eva Contreras SandovalReplacing Alberto Cárdenas Jiménez PAN Veracruz Juan Bueno Torio PAN Jalisco Héctor Pérez Plazola PAN Veracruz Dante Delgado Rannauro MC Jalisco Rafael Yerena ZambranoReplacing Ramiro Hernández García PRI Veracruz Arturo Herviz Reyes PRD Mexico Héctor Miguel Bautista López PRD Yucatán Alfredo Rodríguez y Pacheco PAN Mexico María Guadalupe MondragónReplacing Ulises Ramírez Núñez PAN Yucatán María Beatriz Zavala Peniche PAN Mexico Yeidckol Polevnsky PRD Yucatán Cleominio Zoreda NoveloReplacing Ivonne Ortega Pacheco PRI Michoacán Silvano Aureoles Conejo PRD Zacatecas Antonio Mejía Haro PRD Michoacán Marko Antonio Cortés Mendoza PAN Zacatecas Tomás Torres Mercado PVEM Michoacán Leonel Godoy Rangel PRD Zacatecas José Isabel Trejo PAN

Plurinominal Senators State Name Party State State Name Federal District Carlos Humberto Aceves PRI Federal District Jorge Legorreta OrdoricaReplacing Gabriela Aguilar García PVEM Federal District Francisco Agundis Arias PVEM Federal District Jorge Mendoza Garza PRI Puebla Ángel Alonso Díaz Caneja PAN Zacatecas Ricardo Monreal PT Aguascalientes Alberto Anaya PT Federal District María de los Ángeles Moreno PRI Federal District Manlio Fabio Beltrones PRI Federal District Ramón Muñoz Gutiérrez PAN Federal District Claudia Corichi García PRD Guanajuato Carlos Navarrete Ruiz PRD Federal District Santiago Creel PAN Federal District Jorge Ocejo Moreno PAN Federal District Arturo Escobar y Vega PVEM Aguascalientes Rafael Ochoa Guzmán PANAL Coahuila Ricardo García Cervantes PAN Federal District Javier Orozco GómezReplacing Irma Ortega Fajardo PVEM Veracruz Francisco García LizardiReplacing Jose Luis Lobato MC Federal District Teresa Ortuño Gurza PAN Mexico Adriana González Carrillo PAN Federal District Heladio Ramírez PRI Michoacán José González Morfin PAN Federal District María Rojo PRD Durango Alejandro González Yáñez PT Sinaloa Gabriela Ruiz del Rincón PAN Federal District Rosario Green PRI Colima Carlos Sotelo García PRD Federal District Julián Güitrón Fuentevilla MC Guanajuato Ricardo Torres Origel PAN Sinaloa Augusto César Leal Angulo PAN Colima Rosario Ibarra PT

Deputies

By relative majority election