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. The 5th district is in the north-west of the state, wedged between the states of
Mexico and
Tlaxcala. It covers 142
electoral precincts () across 11 of the
state's municipalities: •
Chiautzingo,
Domingo Arenas,
Huejotzingo,
San Felipe Teotlalcingo,
San Martin Texmelucan,
San Matías Tlalancaleca,
San Miguel Xoxtla,
San Nicolás de los Ranchos,
San Salvador el Verde,
Tlahuapan and
Tlaltenango. The head town (), where results from individual polling stations are gathered together and tallied, is the city of
San Martin Texmelucan de Labastida. The district reported a population of 417,480 in the 2020 Census. ==Previous districting schemes==