Hickory Hills is a city in Cook County, Illinois, United States. Hickory Hills is a suburb of Chicago. The population was 14,049 at the 2010 census.
Hickory Hills is located at 41°43′26″N 87°49′37″W (41.723832, -87.827054).
According to the 2010 census, Hickory Hills has a total area of 2.83 square miles (7.33 km2), all land.
As of the census of 2000, there were 13,926 people, 5,216 households, and 3,698 families residing in the city. The population density was 4,913.0 people per square mile (1,900.0/km2). There were 5,332 housing units at an average density of 1,881.1 per square mile (727.5/km2). The racial makeup of the city was 90.89% White, 1.24% African American, 0.23% Native American, 2.08% Asian, 0.01% Pacific Islander, 2.38% from other races, and 3.18% from two or more races.
The top five ancestries reported in Hickory Hills as of the 2000 census were Polish (26.9%), Irish (19.9%), German (17.2%), Italian (10.7%) and Arab (5.5%).
There were 5,216 households, out of which 31.4% had children under the age of 18 living with them, 56.9% were married couples living together, 9.5% had a female householder with no husband present, and 29.1% were non-families. 24.3% of all households were made up of individuals, and 8.5% had someone living alone who was 65 years of age or older. The average household size was 2.66 and the average family size was.
In the city, the population was spread out, with 23.9% under the age of 18, 9.1% from 18 to 24, 29.7% from 25 to 44, 24.8% from 45 to 64, and 12.5% who were 65 years of age or older.