Willowick is a city in Lake County, Ohio, United States. The population was 14,171 at the 2010 census. A suburb of Cleveland, Willowick is served by a branch of the Willoughby-Eastlake Public Library. The city's name is a portmanteau of two adjacent cities in Lake County: Willoughby and Wickliffe. As of 2019, the mayor of Willowick is Richard Regovich.
Willowick is located at 41°38′6″N 81°28′6″W (41.635080, -81.468290).
According to the United States Census Bureau, the city has a total area of 2.54 square miles (6.58 km2), all land.
94% spoke English, 1.9% Croatian, 1.0% Slovene, and 1.0% Spanish.
As of the census of 2010, there were 14,171 people, 6,110 households, and 3,859 families residing in the city. The population density was 5,579.1 inhabitants per square mile (2,154.1/km2). There were 6,476 housing units at an average density of 2,549.6 per square mile (984.4/km2). The racial makeup of the city was 95.0% White, 2.5% African American, 0.1% Native American, 0.8% Asian, 0.2% from other races, and 1.3% from two or more races. Hispanic or Latino of any race were 1.3% of the population.
There were 6,110 households, of which 27.5% had children under the age of 18 living with them, 45.0% were married couples living together, 13.0% had a female householder with no husband present, 5.2% had a male householder with no wife present, and 36.8% were non-families.