9th 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 9th district covers 252 electoral precincts (secciones electorales) across two of the state's municipalities:^[7][8]

• Puebla (partial: 251 precincts) and Cuautlancingo (complete: 1 precinct).^[a]

The head town (cabecera distrital), where results from individual polling stations are gathered together and tallied, is the state capital, the city of Puebla. The district reported a population of 423,750 in the 2020 Census.^[1]

2017–2022

From 2017 to 2022, when Puebla was assigned 15 congressional seats, the district's head town was the city of Puebla and it covered 199 precincts in the municipality of Puebla and the entirety (one precinct) of Cuautlancingo.^[12][11]

2005–2017

Under the 2005 plan, the district was one of 16 in Puebla. Its head town was the state capital and it covered 178 precincts in the municipality of Puebla and Cuautlancingo's sole precinct.^[13][14]

1996–2005

Between 1996 and 2005, Puebla had 15 districts. The 9th covered 192 precincts in the municipality of Puebla, with its head town at the city of Puebla.^[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 9th district's head town was at Chignahuapan in the state's Sierra Norte region and it comprised 31 municipalities.^[16]