South Barrington is a predominantly residential suburb located in Cook County, Illinois, situated south of Barrington. According to the 2020 census, the population stands at 5,077. Known for its affluent community, South Barrington is home to several notable attractions, including the renowned Willow Creek Community Church, Goebbert’s Pumpkin Patch and Farm, and The Arboretum of South Barrington, a popular lifestyle center.

The 2021 census gazetteer files report that South Barrington encompasses a total area of 7.71 square miles, with 7.43 square miles consisting of land and 0.28 square miles consisting of water, resulting in a landmass of 96.33% and a water percentage of 3.67%.

The majority of the public schools in South Barrington are within Barrington District 220. Homes in the village are generally assigned schools within this district.

The Barrington School District consists of several schools, including Barbara B Rose Elementary School and Grove Avenue Elementary School, both of which serve students in grades K-5. Countryside Elementary School also serves students in grades K-5. For grades 6-8, there are two middle schools: Barrington Middle School Prairie Campus and Barrington Middle School Station Campus. Finally, Barrington High School serves students in grades 9-12.

A section of the village receives education from Thomas Jefferson Elementary School (K-6) in Hoffman Estates, Carl Sandburg Junior High School (7-8) in Rolling Meadows, and William Fremd High School (9-12) in Palatine, all part of District 15. Another part of South Barrington is served by District 300, which includes Parkview Elementary School, Carpentersville Middle School, and Dundee Crown High School in Carpentersville, Illinois.

Conveniently located at the south end of the village, Pace offers I-90 Express bus service at the I-90/Barrington Road station, providing efficient transportation options for those traveling through the area.

Some notable individuals include:
* Craig Anderson, a goaltender who has played for the Colorado Avalanche and Ottawa Senators
* Paul Bragiel, a cross-country skier who has represented Colombia in international competitions and a successful venture capitalist
* Gregory Dickow, the founder and pastor of Life Changers International Church, a megachurch
* Mike Magee, a forward who has played for the Chicago Fire Soccer Club
* Walter Payton, a legendary running back who played for the Chicago Bears and was inducted into the Pro Football Hall of Fame
* Mike Singletary, a Hall of Fame linebacker and coach who has been part of several NFL teams.