Byron is a cdp located in Contra Costa County, in the state of California (CA), United States. Nestled in the Pacific division of the West region, it covers an area of 2.5 square miles (7.0 km²) and sits at an elevation of 26 ft. With a population of approximately 916 residents, Byron offers a peaceful, rural atmosphere.
The town's population is composed of about 56.33% males and 43.67% females, and it has a population density of 360.63 people per square mile (139.24/km²). Byron lies at a latitude of 37.87 and a longitude of -121.64, operating in the UTC-8.
Locals reflect a blend of American ancestry, with roots primarily in United States (0%), followed by English (9.1%), German (15.4%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 94514.