Yolo County | Yolo County Travel GuideAbout Yolo County. Agriculture is the primary industry in 1,034-square-mile Yolo County, which rules the state's tomato industry. It's one of California's original 27 ...
YoloOfficial web site for CA State Parks ... NO. 851 WOODLAND OPERA HOUSE - The first opera house to serve the Sacramento Valley was built on this site in 1885.