of 18 living with them, 47.9 percent were married couples living together, 12.6 percent had a female householder with no husband present, and 35.5 percent were non-families. 29.9 percent of all households were made up of individuals, and 13.9 percent had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 2.86. In the city, the population was spread out, with 22.9 percent under the age of 18, 6.9 percent from 18 to 24, 26.2 percent from 25 to 44, 23.2 percent from 45 to 64, and 20.8 percent who were 65 years of age or older. The median age was 41 years. In 2010, this had risen to 43.4. For every 100 females, there were 90.8 males. For every 100 females age 18 and over, there were 87.1 males. In 2010, for residents 25 and older, 89.3% had completed high school, 22.6% had at least a bachelor's degree. In 2018,Titusville had an estimated population of 45,500 people with a median age of 46.2. The 5 largest racial groups in Titusville are White (Non-Hispanic) (76.7%), Black or African American (Non-Hispanic) (11.4%), White (Hispanic) (5.26%), Two+ (Non-Hispanic) (2.49%), and Asian (Non-Hispanic) (2.13%). Government Titusville is run by a council-manager government. The elected city council serves as the city's legislative branch, while the appointed city manager carries out policies defined by the council. The city is governed according to its Charter, adopted on June 3, 1963. Titusville has the highest city tax rate in the county. In 2007, the city had a taxable real estate base of $2.34 billion. The city has 1.8 police officers per thousand residents. This is 52% below average statewide for cities of its size. A 2011 study rated the pension fund for city employees as mediocre or poor. City council Titusville's five city council members (one of whom is the mayor) are elected at-large to four-year, staggered terms. As the city's legislative body, the council determines all municipal policies not explicitly covered by the city charter or state legislation. It also adopts ordinances and resolutions, cote appropriations, approve budgets, determine the tax rate, and appoint citizens to serve on advisory boards and commissions. The mayor presides over all city council meetings and votes as a council member. The mayor is the recognized head of city government for ceremonial and military law purposes, but has