Addison is a village located in the Chicago Metropolitan Area, in DuPage County, Illinois, United States. The population was 36,942 at the 2010 census.
The Village of Addison lies on Salt Creek, a tributary of the Des Plaines River. Addison is located at 41°55′54″N 88°0′8″W / 41.93167°N 88.00222°W / 41.93167; -88.00222 (41.931573, −88.002221).
According to the 2010 census, Addison has a total area of 9.98 square miles (25.85 km), of which 9.77 square miles (25.30 km) (or 97.9%) is land and 0.21 square miles (0.54 km) (or 2.1%) is water.
As of the census of 2000, there were 35,914 people, 11,649 households, and 9,097 families residing in the village. The population density was 3,807.6 people per square mile (1,470.5/km²). There were 11,805 housing units at an average density of 1,251.6 per square mile (483.3/km²). The racial makeup of the village was 75.39% White, 2.51% African American, 0.35% Native American, 7.94% Asian, 0.01% Pacific Islander, 11.39% from other races, and 2.40% from two or more races. Hispanic or Latino of any race were 28.40% of the population.
There were 11,649 households out of which 38.3% had children under the age of 18 living with them, 62.7% were married couples living together, 10.2% had a female householder with no husband present, and 21.9% were non-families. 16.9% of all households were made up of individuals and 4.8% had someone living alone who was 65 years of age or older. The average household size was 3.07 and the average family size was 3.46.
In the village, the population was spread out with 26.2% under the age of 18, 11.3% from 18 to 24, 32.0% from 25 to 44, 22.1% from 45 to 64, and 8.4% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 103.2 males. For every 100 females age 18 and over, there were 102.8 males.
The median income for a household in the village was $54,090, and the median income for a family was $59,007. Males had a median income of $39,718 versus $27,815 for females. The per capita income for the village was $21,201. 9.6% of the population and 7.2% of families were below the poverty line. Out of the total population, 13.2% of those under the age of 18 and 7.3% of those 65 and older were living below the poverty line.