of 18 living with them, 67.2% were married couples living together, 11.2% had a female householder with no husband present, and 18.7% were non-families. 15.6% of all households were made up of individuals, and 4.4% had someone living alone who was 65 years of age or older. The average household size was 2.80 and the average family size was 3.13. In the CDP, the population was spread out, with 29.3% under the age of 18, 7.2% from 18 to 24, 30.9% from 25 to 44, 25.4% from 45 to 64, and 7.1% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 95.4 males. For every 100 females age 18 and over, there were 91.2 males. The median income for a household in the CDP was $68,300, and the median income for a family was $80,390. Males had a median income of $47,312 versus $30,821 for females. The per capita income for the CDP was $29,345. About 2.5% of families and 3.1% of the population were below the poverty line, including 3.5% of those under age 18 and 5.4% of those age 65 or over. Highways Schools Augusta Preparatory Day School Lakeside High School Evans High School Greenbrier High School Augusta Christian Schools Adventist Christian School Lakeside Middle School Riverside Middle School Columbia Middle School Greenbrier Middle School Evans Middle School Stallings Island Middle School Martinez Elementary School Blue Ridge Elementary School Westmont Elementary School South Columbia Elementary School Stevens Creek Elementary School See also Central Savannah River Area References Census-designated places in Columbia County, Georgia Census-designated places in Georgia (U.S. state) Augusta metropolitan area