California Counties and Cities that begin with Y A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Y Counties in California that start with Y Yolo County Yuba County Cities in California that start with Y Yankee Hill Yermo Yettem Yolo Yorba Linda Yosemite Lakes Yosemite Valley Yosemite West Yountville Yreka Yuba City Yucaipa Yucca Valley