A single ballot box served Mezraa at the 2023 parliamentary election, with 33 registered voters; that places it 122nd among the 126 localities of Yozgat.
The neighborhood parts ways with the district as a whole. At the 2023 parliamentary election it went to İYİ Parti with 25 votes, while across Yozgat the leading party was AK Parti, with İYİ Parti here running 46.1 points above its district average. In the presidential runoff, 25 of 31 valid votes went to Kemal Kılıçdaroğlu — 54.5 points above the district average. At the 2017 referendum 18 of 25 valid votes were 'no' — 45.0 points above the district average.
First place has changed hands 4 times here since 2009. At the 2024 local election the neighborhood went to CHP with 17 votes, while Yozgat as a whole was won by AK Parti. Turnout at the 2024 local election was 100.0%, 17.7 points above the district average. The tightest race came at the 2024 local election: CHP took 17 votes to MHP's 7 — a margin of just 10 votes.