13th federal electoral district of Puebla

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, Puebla's congressional seat allocation rose from 15 to 16.^[10] The 13th district is in the west of Puebla and covers 167 electoral precincts (secciones electorales) across 16 of the state's municipalities:^[11][12]

• Acteopan, Atlixco, Atzitzihuacán, Calpan, Cohuecán, Coronango, Huaquechula, Juan C. Bonilla, Nealtican, Santa Isabel Cholula, Tepemaxalco, Tepexco, Tianguismanalco, Tilapa, Tlapanalá and Tochimilco.

The head town (cabecera distrital), where results from individual polling stations are gathered together and tallied, is the city of Atlixco. The district reported a population of 397,346 in the 2020 Census.^[1]

2017–2022

From 2017 to 2022, when Puebla was assigned 15 congressional seats, the district's head town was at Atlixco and it covered 21 municipalities in the west of the state: ^[15][14]

• Acteopan, Atlixco, Atzala, Atzitzihuacán, Cohuecán, Chietla, Epatlán, Huaquechula, Izúcar de Matamoros, Ocoyucan, San Diego la Mesa Tochimiltzingo, San Martín Totoltepec, Santa Isabel Cholula, Tepemaxalco, Tepeojuma, Tepexco, Tianguismanalco, Tilapa, Tlapanalá, Tochimilco and Xochiltepec.

2005–2017

Under the 2005 plan, the district was one of 16 in Puebla. Its head town was at Atlixco and it covered 31 municipalities.^[16][17]

1996–2005

Between 1996 and 2005, Puebla had 15 districts. The 13th covered 39 municipalities in the south of the state, with its head town at Acatlán de Osorio.^[18][17]

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, Puebla's seat allocation rose from 10 to 14.^[13] The 13th district's head town was at Izúcar de Matamoros and it comprised 30 municipalities.^[19]