The average household size was 2.67 and the average family size was 3.00. In the CDP, the population was spread out with 24.9% under the age of 18, 7.8% from 18 to 24, 29.9% from 25 to 44, 27.4% from 45 to 64, and 9.9% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 93.8 males. For every 100 females age 18 and over, there were 92.0 males. The median income for a household in the CDP was $49,393, and the median income for a family was $55,412. Males had a median income of $35,332 versus $27,487 for females. The per capita income for the CDP was $22,893. About 1.7% of families and 3.1% of the population were below the poverty line, including 1.4% of those under age 18 and 6.7% of those age 65 or over. Harrison Bay State Park is located in Harrison. It is a 1200-acre park that was developed in the 1930s and covers part of the Chickamauga Lake shoreline. Other recreation located nearby are: Skull Island (Birchwood), Booker T. Washington State Park (Bartlebaugh) and an assortment of Civil War Parks and other tourist attractions in and around Chattanooga. The Hamilton County Schools operates five schools in this area: Harrison Elementary School, Snow Hill Elementary School, Brown Middle School, Chattanooga Central High School, and Hamilton County High School.