The racial makeup of the city was 60.4% White (52.8% non-Hispanic white), 9.6% African American, 0.3% Native American, 20.6% Asian, 5.3% from other races, and 3.8% from two or more races. Hispanic or Latino of any race were 14.3% of the population. There were 23,686 households of which 31.8% had children under the age of 18 living with them, 52.3% were married couples living together, 9.9% had a female householder with no husband present, 3.4% had a male householder with no wife present, and 34.5% were non-families. 27.0% of all households were made up of individuals and 9.5% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 3.08. The median age in the city was 38.7 years. 21.5% of residents were under the age of 18; 7.2% were between the ages of 18 and 24; 31.1% were from 25 to 44; 26.3% were from 45 to 64; and 14% were 65 years of age or older. The gender makeup of the city was 47.9% male and 52.1% female. Choice Hotels, Westat, and Bethesda Softworks/ZeniMax Media are headquartered in Rockville. According to the city's 2018 Comprehensive Annual Financial Report, the top employers in the city are:   Rockville has a council-manager form of government. In November 2019, Rockville voted in the 66th election for Mayor and Council. Rockville voters re-elected Bridget Donnell Newton as mayor. Four councilmembers were also elected: Monique Ashton, Beryl L. Feinberg, David Myles and Mark Pierzchala. The current mayor of Rockville is Bridget Donnell Newton. Rockville was incorporated in 1860, but its early records were destroyed by Confederate soldiers in July 1864. Rockville's mayors include: Rockville has a four-member City Council, whose members, along with the mayor, serve as the governing body of the city. The four councilmembers are Monique Ashton, Beryl L. Feinberg, David Myles and Mark Pierzchala. Rockville is served by Montgomery County Public Schools. Public high schools in Rockville include Thomas S. Wootton High School, Richard Montgomery High School, and Rockville High School.