3rd federal electoral district of Baja California

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 3rd district covers 194 precincts () in the southern portion of the municipality of Ensenada and the whole of the municipality of San Quintín. The head town (), where results from individual polling stations are gathered together and tallied, is the city of Ensenada. The district reported a population of 408,150 in the 2020 Census. == Previous districting schemes ==

2005–2017 :It covered the southern section of the state of Baja California, with the coastal city of Ensenada representing a major population center. The 3rd district was the largest in the state. ==Deputies returned to Congress ==