1st federal electoral district of Chihuahua

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,^[6] the 1st district covers 266 electoral precincts (secciones electorales) in the northern part of the Ciudad Juárez urban area.^[7][8][a]

The head town (cabecera distrital), where results from individual polling stations are gathered together and tallied, is Ciudad Juárez. The district reported a population of 377,938 in the 2020 Census.^[1]

2017–2022

Between 2017 and 2022, the district covered a portion of the Ciudad Juárez urban area.^[12][13]

2005–2017

Under the 2005 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 was the city of Ciudad Juárez.^[14][15]

1996–2005

Chihuahua lost its 10th district in the 1996 redistricting process. Between 1996 and 2005, the 1st 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.^[16][15]

1979–1996

The districting scheme in force from 1978 to 1996 was the result of the 1977 electoral reforms, which increased the number of single-member seats in the Chamber of Deputies from 196 to 300. Under that plan, Chihuahua's seat allocation rose from six to ten.^[9] The 1st district was located in the centre of the state and covered a portion of the state capital, the city of Chihuahua.^[17]