Forreston is a village located in Ogle County, in the state of Illinois (IL), United States. Nestled in the East North Central division of the Midwest region, it covers an area of 0.8 square miles (2.0 km²) and sits at an elevation of 937 ft. With a population of approximately 1,469 residents, Forreston offers a peaceful, rural atmosphere.
The town's population is composed of about 47.58% males and 52.42% females, and it has a population density of 769.88 people per square mile (683.35/km²). Forreston lies at a latitude of 42.13 and a longitude of -89.58, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (7.6%), followed by English (8.6%), German (46.2%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 61030.