Subdivisions of varying quality, ranging from starter homes to exclusive, gated golf communities, have emerged. Locals attribute population growth to the nearest military base, Fort Stewart. Geography Richmond Hill is located along the eastern border of Bryan County. The Ogeechee River forms the eastern edge of the city (and the county line); an outlying portion of the city of Savannah is on the opposite side of the river. U.S. Route 17 (Ocean Highway) passes through the city north of the original downtown. Interstate 95 passes through the western edge of the city, with access from Exit 87 (US 17) and Exit 90 (Georgia State Route 144/Ford Avenue). Downtown Savannah is to the north, and Brunswick is to the south. According to the United States Census Bureau, Richmond Hill has a total area of , of which is land and , or 1.42%, is water. Demographics 2020 census As of the 2020 United States census, there were 16,633 people, 4,334 households, and 3,431 families residing in the city. 2000 census As of the census of 2000, there were 6,959 people, 2,433 households, and 1,883 families living in the city. The population density was . There were 2,573 housing units at an average density of . The racial makeup of the city was 81.28% White, 13.69% African American, 0.60% Native American, 1.42% Asian, 0.04% Pacific Islander, 1.28% from other races, and 1.68% from two or more races. Hispanic or Latino people of any race were 3.71% of the population. There were 2,433 households, out of which 51.0% had children under the age of 18 living with them, 58.7% were married couples living together, 14.7% had a female householder with no husband present, and 22.6% were non-families. 19.2% of all households were made up of individuals, and 6.5% had someone living alone who was 65 years of age or older. The average household size was 2.83 and the average family size was 3.24. In the city, the population was spread out, with 34.0% under the age of 18, 8.9% from 18 to 24, 36.1% from 25 to 44, 14.2% from 45 to 64, and 6.8% who were 65 years of age or older. The median age was 29 years. For every 100 females, there were 93.7 males. For every 100 females age 18 and over, there were 85.5 males. Since 1990, the population has been increasing heavily, from 2,934 in 1990 to 14,071