4th 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.^[6] The 4th district is located between the states of Tlaxcala and Veracruz and covers 168 electoral precincts (secciones electorales) across 20 of Puebla's municipalities:^[7][8]

• Chichiquila, Chignautla, Chilchotla, Cuyoaco, Guadalupe Victoria, Lafragua, Libres, Mazapiltepec, Nopalucan, Ocotepec, Oriental, Quimixtlán, Rafael Lara Grajales, San José Chiapa, San Nicolás Buenos Aires, San Salvador el Seco, Soltepec, Tepeyahualco, Tlachichuca and Xiutetelco.

The head town (cabecera distrital), where results from individual polling stations are gathered together and tallied, is the city of Libres. The district reported a population of 423,629 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 Ajalpan in the south-east of the state and it covered 20 municipalities.^[12][11]

2005–2017

Under the 2005 plan, the district was one of 16 in Puebla. Its head town was at Zacapoaxtla in the state's Sierra Norte and it covered 34 municipalities.^[13][14]

1996–2005

Between 1996 and 2005, Puebla had 15 districts. The 4th covered 17 municipalities, with its head town at Libres.^[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, Puebla's seat allocation rose from 10 to 14.^[9] The district's head town was at Atlixco in the west of the state and it covered 17 municipalities.^[16]