Millville is a cdp located in Shasta County, in the state of California (CA), United States. Nestled in the Pacific division of the West region, it covers an area of 8.3 square miles (21.0 km²) and sits at an elevation of 511 ft. With a population of approximately 610 residents, Millville offers a peaceful, rural atmosphere.
The town's population is composed of about 48.52% males and 51.48% females, and it has a population density of 73.76 people per square mile (28.48/km²). Millville lies at a latitude of 40.56 and a longitude of -122.19, operating in the UTC-8.
Locals reflect a blend of American ancestry, with roots primarily in United States (8.9%), followed by English (26.4%), German (15.4%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 96062.