age or older. The average household size was 2.39, and the average family size was 3.05. 22.4% of the population were under the age of 18, 14.1% from 18 to 24, 39.4% from 25 to 44, 15.7% from 45 to 64 and 8.3% were 65 years of age or older. The median age was 30 years. For every 100 females, there were 101.3 males. For every 101 females age 18 and over, there were 100.3 males. Government Incorporated as a village in 1834 and as a city in 1852, the city of Marietta is organized under a form of government consisting of a Mayor, City Council, and City Manager. The City Council is made up of representatives elected from each of seven single-member districts within the city, and a Mayor elected at-large. The City Council is the governing body of the city with authority to adopt and enforce municipal laws and regulations. The Mayor and City Council appoint members of the community to sit on the city's various boards and commissions, ensuring that a broad cross-section of the town is represented in the city government. The City Council appoints the City Manager, the city's chief executive officer. The Council-Manager relationship is comparable to that of a Board of Directors and CEO in a private company or corporation. The City Manager appoints city department heads and is responsible to the City Council for all city operations. The City Council also appoints the city attorney who serves as the city's chief legal officer and the City Clerk who maintains all the city's records. Terms of office are for four years and the number of terms a member may serve are unlimited. There are seven councilmen, each representing a separate ward. Mayors Economy Personal income The median household income was $40,645 and the median family income was $47,340. Males had a median income of $31,186 and females $30,027. The per capita income was $23,409. About 11.5% of families and 15.7% of the population were below the poverty line. 21.3% of those under age 18 and 10.2% of those aged 65 or over. Industry Dobbins Air Reserve Base on the south side of town and a Lockheed Martin manufacturing plant are among the major industries in the city. The Lockheed Georgia Employees Credit Union is based in Marietta. Top employers According to Marietta's 2021 Annual Comprehensive Financial Report, the top employers within the city