Eldridge is a cdp located in Sonoma County, in the state of California (CA), United States. Nestled in the Pacific division of the West region, it covers an area of 0.6 square miles (2.0 km²) and sits at an elevation of 190 ft. With a population of approximately 1,534 residents, Eldridge offers a peaceful, rural atmosphere.
The town's population is composed of about 49.93% males and 50.07% females, and it has a population density of 396.88 people per square mile (925.44/km²). Eldridge lies at a latitude of 38.34 and a longitude of -122.51, operating in the UTC-8.
Locals reflect a blend of American ancestry, with roots primarily in United States (10.5%), followed by English (6.4%), German (10.4%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 95431.