Harwood Heights is a village in Cook County, Illinois, United States. The population was 8,612 at the 2010 census. The current mayor is Arlene Jezierny. She is the second woman to serve as mayor in Harwood Heights, the first being Margaret Fuller.GeographyHarwood Heights is located at .According to the 2010 census, Harwood Heights has a total area of 0.82sqmi, all land.Harwood Heights is surrounded by Chicago and Norridge.DemographicsAs of the census of 2000, there were 8,297 people, 3,505 households, and 2,183 families residing in the village. The population density was 10,094.4 people per square mile (3,906.7/km²). There were 3,606 housing units at an average density of 4,387.2 per square mile (1,697.9/km²). The racial makeup of the village was 92.13% White, 0.31% African American, 0.24% Native American, 4.42% Asian, 0.02% Pacific Islander, 1.54% from other races, and 1.33% from two or more races. Hispanic or Latino of any race were 5.83% of the population.Based on United States Census data, Harwood Heights is listed as an Illinois community with a significant number of Polish Americans, at 32.5%. Among communities in the United States with populations of 500 or more, Harwood Heights has the second highest percentage of residents born in Poland (18.8%). It also has the seventh highest percentage of residents born in Italy among communities in the United States (4.9%).