Chicago Heights is a city in Cook County, Illinois, United States. The population was 27,480 at the 2020 census. In earlier years, Chicago Heights was nicknamed "The Crossroads of the Nation". Currently, it is nicknamed "The Heights". Geography Chicago Heights lies on the high land of the Tinley Moraine, with the higher and older Valparaiso Moraine lying just to the south of the city. According to the 2021 census gazetteer files, Chicago Heights has a total area of , of which (or 99.87%) is land and (or 0.13%) is water. The city's major crossroads are at Dixie Highway (Illinois Route 1) and Lincoln Highway (U.S. Route 30). Chicago Heights is about south of the Chicago Loop. Demographics As of the 2020 census there were 27,480 people, 9,736 households, and 6,708 families residing in the city. The population density was . There were 10,663 housing units at an average density of . The racial makeup of the city was 42.50% African American, 21.05% White, 1.27% Native American, 0.30% Asian, 0.13% Pacific Islander, 23.35% from other races, and 11.41% from two or more races. Hispanic or Latino of any race were 38.99% of the population. There were 9,736 households, out of which 69.71% had children under the age of 18 living with them, 37.53% were married couples living together, 20.75% had a female householder with no husband present, and 31.10% were non-families. 28.29% of all households were made up of individuals, and 14.07% had someone living alone who was 65 years of age or older. The average household size was 3.67 and the average family size was 2.96. The city's age distribution consisted of 26.9% under the age of 18, 10.7% from 18 to 24, 24.2% from 25 to 44, 23.4% from 45 to 64, and 14.9% who were 65 years of age or older. The median age was 35.4 years. For every 100 females, there were 94.5 males. For every 100 females age 18 and over, there were 95.8 males. The median income for a household in the city was $49,880, and the median income for a family was $59,536. Males had a median income of $35,142 versus $26,790 for females. The per capita income for the city was $21,948. About 18.6% of families and 24.3% of the population were below the poverty line, including 33.0% of those under age 18 and 22.7% of those age 65 or over. Education Schools