The 1st federal electoral district of Yucatán () is one of the 300 electoral districts into which Mexico is divided for elections to the federal Chamber of Deputies and one of six such districts in the state of Yucatán.
It elects one deputy to the lower house of Congress for each three-year legislative period 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 third region.
The current member for the district, elected in the 2024 general election, is of the National Regeneration Movement (Morena).
District territory Yucatán gained a congressional seat in the 2023 redistricting process carried out by the National Electoral Institute (INE). Under the new districting plan, which is to be used for the 2024, 2027 and 2030 federal elections, the first district is located in the east and south-east of the state. It comprises 197 electoral precincts () across 27 municipalities:
Cantamayec, Yaxcabá, Cuncunul, Chacsinkín, Chankom, Chemax, Chichimilá, Chikindzonot, Dzitás, Espita, Kaua, Panabá, Peto, Quintana Roo, Río Lagartos, San Felipe, Sucilá, Tahdziú, Calotmul, Tekom, Temozón, Tinum, Tixcacalcupul, Tixméhuac, Tizimín, Uayma and Valladolid.
The head town (), where results from individual polling stations are gathered together and tallied, is the city of Valladolid. The district had a population of 376,469 in the 2020 census and, with Indigenous and Afrodescendent inhabitants accounting for over 84% of that total, Yucatán's first – like all the state's electoral districts, both local and federal – is classified by the INE as an indigenous district.
Previous districting schemes + Evolution of electoral district numbers 1974 1978 1996 2005 2017 2023 Yucatán 3 4 5 5 5 6 Chamber of Deputies 196 300 Sources:
2017–2022 Between 1996 and 2022, Yucatán had five federal electoral districts. Under the 2017 scheme, the first district's head town was at Valladolid and it covered 35 municipalities in the east of the state: Buctzotz, Calotmul, Cenotillo, Cuncunul, Chankom, Chemax, Chichimilá, Chikindzonot, Dzinzantún, Dzilam de Bravo, Dzilam González, Dzitás, Dzoncauich, Espita, Izamal, Kantunil, Kaua, Panabá, Quintana Roo, Río Lagartos, San Felipe, Sucilá, Sudzal, Tekal de Venegas, Tekom, Temax, Temozón, Tepakán, Tinum, Tixcacalcupul, Tizimín, Tunkás, Uayma, Valladolid and Yaxcabá.
2005–2017 Under the 2005 districting scheme, the district covered 33 municipalities in the east and south-east portions of the state and had its head town at Valladolid. The link contains a list of the municipalities covered. The link contains comparative maps of the 2005 and 1996 plans.
1996–2005 Between 1996 and 2005, the district's head town was at Valladolid and it covered 35 municipalities in an area broadly similar to its 2005 configuration, but with more of the northern coast and less of the south-eastern border with the state of Quintana Roo. The link contains a list of the municipalities covered.
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, Yucatán's district allocation rose from three to four. The first district had its head town at the state capital, Mérida, and it covered a portion of that city. The description in the link defines the district's exact limits within the city.
Deputies returned to Congress
+ Yucatán's 1st district Election Deputy Party Term Legislature1973Víctor Cervera Pacheco1973–197649th Congress1976Mirna Hoyos de Navarrete1976–197950th Congress1979Federico Granja Ricalde1979–198251st Congress1982Víctor Cervera PachecoHerbé Rodríguez Abraham1982–19841984–198552nd Congress1985Rodolfo Antonio Menéndez1985–198853rd Congress1988Ana Rosa Payán Cervera1988–199154th Congress1991Luis Correa Mena1991–199455th Congress1994Manuel Fuentes Alcocer1994–199756th Congress1997Orlando Paredes Lara1997–200057th Congress2000Jorge Carlos Berlín Montero2000–200358th Congress2003Roger David Alcocer García2003–200659th Congress2006Joaquín Jesús Díaz Mena2006–200960th Congress2009Liborio Vidal Aguilar2009–201261st Congress2012William Renan Sosa Altamira2012–201562nd Congress2015Liborio Vidal Aguilar2015–201863rd Congress2018Jesús Carlos Vidal Peniche2018–202164th Congress2021Sergio Chalé Cauich2021–202465th Congress2024Rocío Natali Barrera Puc2024–202766th Congress
Presidential elections + Yucatán's 1st district Election District won by Party or coalition % 2018Andrés Manuel López Obrador Juntos Haremos Historia 35.39142024Claudia Sheinbaum Pardo Sigamos Haciendo Historia 64.7446
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