Because of shifting demographics, Veracruz currently has four fewer districts than the 23 the state was allocated under the
1977 electoral reforms.
2017–2022 :Between 2017 and 2022, Veracruz was assigned 20 electoral districts. The 18th district comprised 26 municipalities: the same 25 as under the 2023 plan, plus
Huiloapan de Cuauhtémoc, which the 2023 scheme assigned to the
15th district. :*Acultzingo, Astacinga, Atlahuilco, Camerino Z. Mendoza, Coetzala, Cuichapa, Cuitláhuac, Huiloapan de Cuauhtémoc, Magdalena, Mixtla de Altamirano, Omealca, Rafael Delgado, Los Reyes, San Andrés Tenejapan, Soledad Atzompa, Tehuipango, Tequila, Texhuacan, Tezonapa, Tlaquilpa, Tlilapan, Xoxocotla, Yanga and Zongolica.
1996–2005 :Under the 1996 districting plan, which assigned Veracruz 23 districts, the head town was at Zongolica and the district covered 19 municipalities. The newly created 18th district had its head town at
Temapache in the state's northern
Huasteca Baja region and it covered the municipalities of
Álamo Temapache,
Castillo de Teayo and
Tihuatlán. ==Deputies returned to Congress==