Yuba City is a city in Northern California and the county seat of Sutter County, California, United States. The population was 64,925 at the 2010 census. Yuba City is the principal city of the Yuba City Metropolitan Statistical Area which encompasses all of Sutter County and Yuba County. The metro area's population is 164,138. It is the 21st largest metropolitan area in California ranked behind Redding and Chico. Its metropolitan statistical area is part of the Greater Sacramento CSA.The unemployment rate in the Yuba City MSA was 14.9 percent in September 2012, down from a revised 15.8 percent in August 2012, and below the year-ago estimate of 16.4 percent. This compares with an unadjusted unemployment rate of 9.7 percent for California and 7.6 percent for the nation during the same period. The unemployment rate was 14.0 percent in Sutter County, and 16.3 percent in Yuba County.