Rockport is a home rule-class city in Ohio County, Kentucky, United States. The population was 334 at the 2000 census. The city is descriptively named for the large rocks on a nearby river bank.Rockport is located at 37°20′11″N 86°59′34″W / 37.33639°N 86.99278°W / 37.33639; -86.99278.According to the United States Census Bureau, the city has a total area of 0.8 square miles, of which 0.8 square miles is land and 0.04 square miles is water.As of the census of 2000, there were 334 people, 133 households, and 104 families residing in the city. The population density was 439.9 people per square mile. There were 152 housing units at an average density of 200.2 per square mile. The racial makeup of the city was 99.40% White, and 0.60% from two or more races.There were 133 households out of which 27.1% had children under the age of 18 living with them, 65.4% were married couples living together, 10.5% had a female householder with no husband present, and 21.1% were non-families. 19.