20th federal electoral district of Veracruz

Evolution of electoral district numbers

	1974	1978	1996	2005	2017	2023
Veracruz	15	23	23	21	20	19
Chamber of Deputies	196	300
Sources: [3][6][7][8]

2017–2022

In its final form, the 20th district comprised 14 municipalities:^[9]

• Cosoleacaque, Chinameca, Hueyapan de Ocampo, Jáltipan, Mecayapan, Oluta, Oteapan, Pajapan, Soconusco, Soteapan, Texistepec, Zaragoza, Nanchital and Tatahuicapan.

The district's head town (cabecera distrital), where results from individual polling stations were gathered together and tallied, was the city of Cosoleacaque.^[8]

2005–2017

Between 2005 and 2017 the 20th district's head town was the city of Acayucan. It covered 11 municipalities in the south-east of the state:^[10][11]

• Acayucan, Chacaltianguis, Isla, Juan Rodríguez Clara, Playa Vicente, San Juan Evangelista, Sayula de Alemán, José Azueta, Tuxtilla, Carlos A. Carrillo and Santiago Sochiapan.

1996–2005

Under the 1996 districting plan, the head town was at Acayucan and the district covered nine municipalities.^[12][11]

1978–1996

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, Veracruz's seat allocation rose from 15 to 23.^[7] The newly created 20th district had its head town at Zongolica, and it covered the municipalities of Acultzingo, Astacinga, Atlahuilco, Camerino Z. Mendoza, Coetzala, Cuichapa, Cuitláhuac, Magdalena, Mixtla de Altamirano, Naranjal, Omealca, Los Reyes, San Andrés Tenejapan, Soledad Atzompa, Tehuipango, Tequila, Texhuacán, Tezonapa, Tlaquilpa, Tlilapan, Xoxocotla, Yanga and Zongolica.^[13]