Gary is a city in Lake County, Indiana, United States, 25 miles (40 km) from downtown Chicago, Illinois. Gary is adjacent to the Indiana Dunes National Parkand borders southern Lake Michigan. Gary was named after lawyer Elbert Henry Gary, who was the founding chairman of the United States Steel Corporation. The city is known for its large steel mills and related industries. Once the second largest city in Indiana, the population of Gary was 80,294 at the 2010 census, making it the ninth-largest city in the state of Indiana.
As of the census of 2010, there were 80,294 people, 31,380 households, and 19,691 families residing in the city. The population density was 1,610.1 inhabitants per square mile (621.7/km2). There were 39,531 housing units at an average density of 792.7 per square mile (306.1/km2). The racial makeup of the city was 84.8% African American, 10.7% White, 0.3% Native American, 0.2% Asian, 1.8% from other races, and 2.1% from two or more races. Hispanic or Latino people of any race were 5.1% of the population. Non-Hispanic Whites were 8.9% of the population in 2010, down from 39.1% in 1970.
There were 31,380 households of which 33.5% had children under the age of 18 living with them, 25.2% were married couples living together, 30.9% had a female householder with no husband present, 6.7% had a male householder with no wife present, and 37.2% were non-families. 32.8% of all households were made up of individuals and 11.9% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 3.23.
The median age in the city was 36.7 years. 28.1% of residents were under the age of 18; 8.6% were between the ages of 18 and 24; 21.8% were from 25 to 44; 27.1% were from 45 to 64; and 14.5% were 65 years of age or older. The gender makeup of the city was 46.0% male and 54.0% female.