Worthington Hills is a home rule-class city in Jefferson County, Kentucky, United States. The population was 1,594 at the 2000 census.A suburb of Louisville, Worthington Hills was separately incorporated by the state legislature on January 31, 1980.GeographyWorthington Hills is located at . According to the United States Census Bureau, the city has a total area of 0.3sqmi, all land.DemographicsAs of the census of 2000, there were 1,594 people, 577 households, and 447 families residing in the city. The population density was 5,699.9 people per square mile (2,198.0/km²). There were 589 housing units at an average density of 2,106.2 per square mile (812.2/km²). The racial makeup of the city was 63.68% White, 30.74% African American, 0.06% Native American, 1.69% Asian, 1.88% from other races, and 1.94% from two or more races. Hispanic or Latino of any race were 4.33% of the population.