Lewiston is a cdp located in Trinity County, in the state of California (CA), United States. Nestled in the Pacific division of the West region, it covers an area of 34.6 square miles (90.0 km²) and sits at an elevation of 1826 ft. With a population of approximately 1,305 residents, Lewiston offers a peaceful, rural atmosphere.
The town's population is composed of about 50.5% males and 49.5% females, and it has a population density of 37.72 people per square mile (14.56/km²). Lewiston lies at a latitude of 40.7 and a longitude of -122.81, operating in the UTC-8.
Locals reflect a blend of American ancestry, with roots primarily in United States (6.1%), followed by English (16.9%), German (22.8%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 96052.