Martinez ( ) is a census-designated place (CDP) in Columbia County, Georgia, United States. It is a northwestern suburb of Augusta and is part of the Augusta, Georgia metropolitan area. The population was 34,535 at the 2020 census. Geography Martinez is located in eastern Columbia County at (33.516089, -82.100024). It is bordered to the southeast by the city of Augusta in Richmond County. To the north and northwest is the CDP of Evans. Interstate 20 forms the short southern boundary of Martinez, with access from Exits 194 (Georgia State Route 383/South Belair Road) and 195 (Wheeler Road). According to the United States Census Bureau, the CDP has a total area of , of which is land and , or 0.76%, is water. Martinez has an elevation of above sea level, about higher than downtown Augusta. The areas of the CDP closest to the Richmond County line tend to be relatively flat, while land further west is hillier. Trees in Martinez are seen mainly in the subdivisions, as the main roads are crowded with businesses. They include pine, oak, sweet gum, hickory, and a variety of other species. History The founder was José Martínez y Saldivar, a wealthy man from Cuba. He bought a plantation in Columbia County in 1869 and named it El Cordero Rancho ("The Lamb Ranch"). He wanted to be an American soldier. He ended up having four daughters who married very wealthy men, one being a Dr. Perrin who died around 1940. El Cordero Ranch is now only in size. His old home (hacienda) and several buildings, barns and a water tower original to the property still stand at 3654 Old Ferry Road. Demographics 2020 census As of the 2020 United States census, there were 34,535 people, 11,780 households, and 8,153 families residing in the CDP. 2000 census As of the census of 2000, there were 27,749 people, 9,886 households, and 8,037 families residing in the CDP. The population density was 2,207.1 people per square mile (852.3/km). There were 10,320 housing units at an average density of 820.8 per square mile (317.0/km). The racial makeup of the CDP was 83.98% White, 8.02% African American, 0.23% Native American, 5.60% Asian, 0.07% Pacific Islander, 0.68% from other races, and 1.42% from two or more races. Hispanic or Latino of any race were 2.31% of the population. There were 9,886 households, out of which 44.9% had children under the age