
Barrington Hills
- County:
- Cook County
- County Seat:
- No
- Area (mi²):
- 26.993
- State:
- Illinois
Barrington Hills is a village located in Cook County, Illinois. Barrington Hills has a 2025 population of 3,966. Barrington Hills is currently declining at a rate of -0.65% annually and its population has decreased by -3.15% since the most recent census, which recorded a population of 4,095 in 2020.
The average household income in Barrington Hills is $287,322 with a poverty rate of 7.9%. The median age in Barrington Hills is 43.8 years: 43.1 years for males, and 44.5 years for females.