Most of the Cragin neighborhood is part of Belmont Cragin, Community Area 19 of 77 on the city's official list.

Cragin is bounded generally by the Metra RR tracks north to Roscoe St (3400 N), and Cicero Ave (4800 W) west to Central Ave (5600 W). Hanson Park is a sub-neighborhood of Cragin.

Cragin is in parts of ZIP codes 60639 and 60641.