Park Ridge is a city in Cook County, Illinois, United States, and a Chicago suburb. The population was 37,494 at the 2017 census. It is located 15 miles (24 km) northwest of downtown Chicago. It is close to O’Hare International Airport, major expressways, and rail transportation. It is a part of the Chicago metropolitan area, bordering three northwestern neighborhoods of Chicago’s Far North Side (Edison Park, Norwood Park, and O’Hare.)
According to the 2010 census, Park Ridge has a total area of 7.134 square miles (18.48 km), of which 7.09 square miles (18.36 km) (or 99.38%) is land and 0.044 square miles (0.11 km) (or 0.62%) is water.
As of the census of 2000, there were 37,775 people, 14,219 households, and 10,465 families residing in the city. The population density was 5,374.6 people per square mile (2,074.7/km). There were 14,646 housing units at an average density of 2,083.8 per square mile (804.4/km). The racial makeup of the city was 95.4% White, 0.2% African American, 0.06% Native American, 2.66% Asian, 0.05% Pacific Islander, 0.87% from other races, and 0.74% from two or more races. Hispanic or Latino of any race were 2.90% of the population.
There were 14,219 households out of which 32.3% had children under the age of 18 living with them, 63.4% were married couples living together, 8.0% had a female householder with no husband present, and 26.4% were non-families. 24.1% of all households were made up of individuals and 12.8% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 3.13. The median cost of a house is $420,000.
The City’s population consists of 24.5% persons under the age of 18, 5.5% aged 18 to 24, 24.5% aged 25 to 44, 25.8% aged 45 to 64, and 19.6% age 65 or older. The median age was 42 years. For every 100 females, there were 90.1 males. For every 100 females age 18 and over, there were 85.2 males.
According to a 2007 estimate, the median income for a household in the city was $91,674, and the median income for a family was $110,842. Males had a median income of $61,959 versus $39,794 for females. The per capita income for the city was $36,646. About 1.7% of families and 2.2% of the population were below the poverty line, including 2.1% of those under age 18 and 3.1% of those age 65 or over.