 The most significant were Spanish speakers who made up 15.85% of the population, while Italian came up as the third most spoken language, which made up 0.71%, and French was at fourth, with 0.58% of the population.Deltona operates under a commission–manager form of government, consisting of seven elected officials, and an appointed city manager.Residents elect, through non-partisan elections, a mayor who represents the city at-large and six commission members who each represent a specific district of the community.