Chicago Lawn is Community Area 66 of the official 77 city neighborhoods. The Community Area boundaries of Chicago Lawn are 75th St on the south to 59th St on the north, from the RR tracks east of Western Ave (2400 W) west to Central Park Ave (3600 W). From 63rd St south, the area is more commonly referred to as Marquette Park.

ZIP codes: 60629, 60636.