Wickliffe is a city in Lake County, Ohio, United States. The population was 13,484 at the 2000 census. According to the United States Census Bureau, the city has a total area of 4.7 square miles (12km2), all of it land. As of the census of 2000, there are 13,484 people, 5,604 households, 3,754 families residing in the city. The population density is 2,898.2 people per square mile (1,119.6/Sq-km). There are 5,787 housing units at an average density of 1,243.8 per square mile (480.5/Sq-km). The racial makeup of the city is 95.37% White, 2.85% African American, 0.04% Native American, 0.79% Asian, 0.01% Pacific Islander, 0.09% from other races, and 0.85% from two or more races. 0.53% of the population are Hispanic or Latino of any race. 20.2% were of Italian, 13.6% German, 13.4% Irish, 9.4% Polish, 9.0% Slovene and 6.4% English ancestry according to Census 2000.