Worthington is a city in Franklin County, Ohio. It is a northern suburb of the larger Columbus, Ohio. The population was 13,575 at the 2010 census. The city was founded in 1803 by the Scioto Company led by James Kilbourne, who was later elected to the United States House of Representatives. The city was named in honor of Thomas Worthington, who later became governor of Ohio
As of the census of 2010, there were 13,575 people, 5,691 households, and 3,874 families residing in the city. The population density was 2,445.9 inhabitants per square mile (944.4 /km2). There were 5,940 housing units at an average density of 1,070.3 per square mile (413.2 /km2). The racial makeup of the city was 93.0% White, 2.2% African American, 2.3% Asian, 0.5% from other races, and 2.0% from two or more races. Hispanic or Latino of any race were 1.7% of the population.
There were 5,691 households out of which 30.8% had children under the age of 18 living with them, 57.6% were married couples living together, 7.7% had a female householder with no husband present, 2.7% had a male householder with no wife present, and 31.9% were non-families. 28.0% of all households were made up of individuals and 13.3% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.88.
The median age in the city was 44.9 years. 23.2% of residents were under the age of 18; 4.5% were between the ages of 18 and 24; 22.6% were from 25 to 44; 30.7% were from 45 to 64; and 19.1% were 65 years of age or older. The gender makeup of the city was 47.2% male and 52.8% female.