First federal electoral district of Chihuahua

The first federal electoral district of Chihuahua (Distrito electoral federal 01 de Chihuahua) is one of the 300 electoral districts into which Mexico is divided for elections to the federal Chamber of Deputies and one of nine such districts currently operating in the state of Chihuahua.

It elects one deputy to the lower house of Congress for each three-year legislative period, by means of the first-past-the-post system. Votes cast in this district also count towards the calculation of proportional representation ("plurinominal") deputies elected from the first region.

District territory
Under the 2022 districting plan, which will be used for the 2024, 2027 and 2030 federal elections, the first district covers the northern part of the Ciudad Juárez urban area. Its head town (cabecera distrital), where results from individual polling stations are gathered together and collated, is Ciudad Juárez.

2017–2022
Between 2017 and 2022, the first district covered a portion of the Ciudad Juárez urban area.

2005–2017
Under the 2005–2017 districting scheme, the district covered the municipalities of Ahumada, Ascensión, Guadalupe, Janos, Práxedis G. Guerrero and the southern part of the municipality of Juárez.

The district's head town (cabecera distrital), where results from individual polling stations are gathered together and collated, was the city of Ciudad Juárez.

1996–2005
Between 1996 and 2005, the first district's territory was in the north and north-east of the state, covering the municipalities of Ahumada, Ascensión, Buenaventura, Casas Grandes, Galeana, Gómez Farías, Guadalupe, Ignacio Zaragoza, Janos, Madera, Matachí, Namiquipa, Nuevo Casas Grandes, Práxedis G. Guerrero and Temósachi; it was centred on the city of Nuevo Casas Grandes.

1979–1996 district
Between 1979 and 1996, the first district was located in the centre of the state and was centred on the state capital, the city of Chihuahua