Gridley is located in southwestern Butte County which is the hub of an expanding and affluent West Coast market region. These markets include San Francisco, and Los Angeles. Situated on State Route 99, Gridley is a very convenient 60 mile drive north of the state Capitol, Sacramento.
Butte County is situated on the east side of Northern California's rich Sacramento Valley.
Butte County covers 1,675 square feet miles and its western boundary is the Sacramento River. Gridley itself is 1.28 square miles and is just 2 miles west of the Feather River. Gridley is located on State Route 99 and is a major traffic corridor from Sacramento to Chico. The Traffic count per hour is approx. Several major trucking firms serve the area, providing overnight delivery to most cities in the west.