Orland Hills (formerly Westhaven) is a village in Cook County, Illinois, United States. The population was 7,149 at the 2010 census.
Orland Hills is located at 41°35′19″N 87°50′27″W / 41.58861°N 87.84083°W / 41.58861; -87.84083 (41.588732, -87.840837).
Orland Hills has two (2) lakes: Lake Ashbourne and Lake Lorin. It is also home to Kelly Park.
According to the 2010 census, Orland Hills has a total area of 1.148 square miles (2.97 km), of which 1.14 square miles (2.95 km) (or 99.3%) is land and 0.008 square miles (0.02 km) (or 0.7%) is water.
As of the 2000 census, there were 6,779 people, 2,153 households, and 1,767 families residing in the village. As of 2012, there is 7,206 residents. The population density was 6,217.2 people per square mile (2,401.3/km²). There were 2,182 housing units at an average density of 2,001.2 per square mile (772.9/km²). The racial makeup of the village was 86.71% White, 5.10% African American, 0.25% Native American, 3.32% Asian, 1.73% from other races, and 2.89% from two or more races. Hispanic or Latino of any race were 6.03% of the population, including 5.0% of Mexican descent.
The top five non-African, non-Hispanic ancestries reported in Orland Hills as of the 2000 census were Irish (22.9%), German (21.9%), Polish (21.7%), Italian (13.4%) and Czech (3.8%).
There were 2,153 households out of which 53.0% had children under the age of 18 living with them, 65.9% were married couples living together, 12.4% had a female householder with no husband present, and 17.9% were non-families. 14.7% of all households were made up of individuals and 4.0% had someone living alone who was 65 years of age or older. The average household size was 3.15 and the average family size was 3.51.
In the village, the population was spread out with 34.1% under the age of 18, 9.1% from 18 to 24, 35.7% from 25 to 44, 16.9% from 45 to 64, and 4.1% who were 65 years of age or older. The median age was 30 years. For every 100 females, there were 97.4 males. For every 100 females age 18 and over, there were 90.8 males.
The median income for a household in the village was $61,884, and the median income for a family was $65,191. Males had a median income of $47,074 versus $33,477 for females. The per capita income for the village was $21,415. About 4.3% of families and 5.3% of the population were below the poverty line, including 7.7% of those under age 18 and none of those age 65 or over.