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, Jalisco's 15th district is located in the east of the state, along the border with Guanajuato and Michoacán, and comprises 210
electoral precincts () across 11 of the
state's 125 municipalities: •
Arandas,
Atotonilco el Alto,
Ayotlán,
La Barca,
Degollado,
Jalostotitlán,
Jamay,
Jesús María,
San Diego de Alejandría,
San Julián and
San Miguel el Alto. The head town (), where results from individual polling stations are gathered together and tallied, is the city of
La Barca. The district reported a population of 408,273 in the 2020 Census. ==Previous districting schemes==