Barrington is a city located in Lake County Illinois. Barrington has a 2020 population of 15,888. Barrington is currently declining at a rate of -0.23% annually but its population has increased by 1.44% since the most recent census, which recorded a population of 15,662 in 2010. Barrington reached it's highest population of 16,083 in 2015.
The average household income in Barrington is $187,110 with a poverty rate of 4.49%. The median rental costs in recent years comes to $1,635 per month, and the median house value is $632,200. The median age in Barrington is 45.8 years, 45.7 years for males, and 45.9 years for females.