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, the 8th district covers 216
precincts () across eight
municipalities in the central part of the state. The head town (), where results from individual polling stations are gathered together and tallied, is the state capital, the city of
Oaxaca de Juárez. The district reported a population of 430,659 in the 2020 Census and, with
Indigenous and
Afrodescendent inhabitants accounting for over 43% of that total, it is classified by the INE as an indigenous district. ==Previous districting schemes==