Rodeo is a statistics assigned place situated in Contra Costa County, California, in the East Bay sub-district of the San Francisco Bay Area, on the eastern shore of San Pablo Bay, 25 miles upper east of San Francisco. The populace was 8,679 at the 2010 evaluation. The town is named for the domesticated animals roundups normal in the late nineteenth century. Steers from the encompassing slopes were frequently determined down through the old town to a stacking dock on the shoreline of San Pablo Bay for shipment to slaughterhouses, a training which proceeded through the mid twentieth century. The town of Rodeo is served by the Interstate 80 expressway and State Route 4. The Southern Pacific Railroad primary line goes through Rodeo.