Sedgwick is an 'L' station on the CTA's Brown Line, Purple Line Express trains also stop at the station during weekday rush hours. It is an elevated station with two side platforms, located in Chicago's Old Town neighborhood of the Near North Side community area. The adjacent stations are Armitage, which is located about one mile (1.6 km) to the northwest, and Chicago, located about one mile (1.6 km) to the south.

The station was put into service in 1900 as part of Northwestern Elevated Railroad's initial route, and it is one of the oldest standing stations on the 'L'.

In 1979, a portion of The Hunter starring Steve McQueen was shot at Sedgwick as part of an action scene.

During 2007, the main station entrance was closed for extensive renovation and rebuilding as part of the CTA's Brown Line capacity expansion project. Throughout the renovation period, the station remained open on weekdays but experienced several weekend closures, with entrance to the station through a temporary entrance (which was later converted to an emergency exit) located one block west of the original entrance at Hudson Avenue.

As the outside express tracks had not been in service since 1963 they were removed and island platforms widened, converting them to side platforms. The platforms were also extended to allow eight-car trains to berth, and elevators were added to make the station accessible to passengers with disabilities. The historical station house was restored, and an extension was added behind it.

CTA

• N9 Ashland Night Bus (Owl Service)
• 37 Sedgwick (Weekdays Only)
• 72 North

Media related to Sedgwick (CTA) at Wikimedia Commons

• https://www.transitchicago.com/assets/1/6/browntt_sedgwick.pdf at CTA official site
• Sedgewick Street entrance (during reconstruction) from Google Maps Street View