Barrington Hills is a city located in Illinois. With a 2020 population of 4,154, it is the 360th largest city in Illinois and the 5293rd largest city in the United States . Barrington Hills is currently declining at a rate of -0.43% annually and its population has decreased by -1.31% since the most recent census, which recorded a population of 4,209 in 2010. Barrington Hills reached it's highest population of 4,270 in 2014. Spanning over 28 miles, Barrington Hills has a population density of 154 people per square mile.
The average household income in Barrington Hills is $257,324 with a poverty rate of 4.71%. The median rental costs in recent years comes to $2,533 per month, and the median house value is $773,000. The median age in Barrington Hills is 52.8 years, 53.8 years for males, and 52.3 years for females.