Karahayit-Fatih is one of the localities of Denizli Merkez; it had 624 registered voters at the 2011 parliamentary election.
AK Parti took 45.2% in the neighborhood at that election. Across Denizli Merkez the same party stood at 48.3%, putting the neighborhood 3.1 points below the district average. At the 2010 referendum 54.4% of the neighborhood voted 'no'; across the district that was 53.4%.
Turnout at the 2009 local election was 99.7%, 11.6 points above the district average.