Orland Hills is a city located in Illinois. With a 2020 population of 6,923, it is the 279th largest city in Illinois and the 3976th largest city in the United States . Orland Hills is currently declining at a rate of -0.72% annually and its population has decreased by -3.16% since the most recent census, which recorded a population of 7,149 in 2010. Orland Hills reached it's highest population of 7,281 in 2013. Spanning over 1 miles, Orland Hills has a population density of 6,048 people per square mile.
The average household income in Orland Hills is $98,845 with a poverty rate of 14.89%. The median rental costs in recent years comes to $1,110 per month, and the median house value is $223,800. The median age in Orland Hills is 36.1 years, 35 years for males, and 37.4 years for females.