[4] The 18 single-member districts were determined by the National Electoral Institute (INE) as part of the nationwide 2022–23 redistricting process.

[4] Title 6, Chapter 1 of the Political Constitution of the State of Hidalgo sustains and establishes the legality of the Congress.

The relevant articles to the Congress are the following:[4] The most recent election was held on 2 June 2024 for the 66th session (LXVI Legislatura).

[9] Of the 30 seats up for election, the National Regeneration Movement won 14 of the single-member districts but was disqualified from the distribution of proportional representation seats; the other four single-member district seats went to its coalition partner,[10] the Nueva Alianza Hidalgo (PNAH).

[11] The winners of the plurinominal seats were announced by the Hidalgo State Electoral Institute [es] on 8 August: two for the PNAH, three for the PT, two each for the PRI, PVEM and MC, and one for the PAN.