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 second district covers 229
precincts () in the western urban portion of the
municipality of Mexicali. The head town (), where results from individual polling stations are gathered together and tallied, is the state capital, the city of
Mexicali. The district reported a population of 400,856 in the 2020 Census. == Previous districting schemes ==