The Loop is Community Area 32 of the 77 on the city's official list.

Its official boundaries are from Roosevelt Rd (1200 S) north to the Chicago River, and Lake Michigan west to the Chicago River. The Loop is more commonly thought of as the area bounded by the El tracks and the streets that border the El: Jackson Blvd (300 S) to Lake St (200 N), Wabash Ave (45 E) to Wells St (200 W).

ZIP codes: 60601 through 60607.