Antioch is a city 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 26.9 square miles (70.0 km²) and sits at an elevation of 40 ft. With a population of approximately 90,532 residents, Antioch offers a vibrant community life.
The town's population is composed of about 48.97% males and 51.03% females, and it has a population density of N/A (N/A). Antioch lies at a latitude of 37.99 and a longitude of -121.8, operating in the UTC-8.
Locals reflect a blend of American ancestry, with roots primarily in United States (3.9%), followed by English (8.3%), German (13.4%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 94509.