Deremahal ranks 108th by electorate among the 126 localities of Yozgat. The neighborhood has a single ballot box, and 50 voters were registered there for the 2023 parliamentary election.
The neighborhood parts ways with the district as a whole. At the 2023 parliamentary election it went to İYİ Parti with 42 votes, while across Yozgat the leading party was AK Parti, with İYİ Parti here running 66.0 points above its district average. In the presidential runoff, 43 of 47 valid votes went to Kemal Kılıçdaroğlu — 65.3 points above the district average. At the 2017 referendum 26 of 27 valid votes were 'no' — 69.3 points above the district average.
Turnout at the 2024 local election was 94.4%, 12.2 points above the district average. At the 2014 local election MHP and CHP finished level, on 14 votes each. First place has changed hands 4 times here since 2009. At the 2024 local election the neighborhood went to CHP with 25 votes, while Yozgat as a whole was won by AK Parti.