Yuba City is a city located in the state of California, United States. It serves as the county seat for Sutter County and functions as the principal city of the Yuba City Metropolitan Statistical Area. This metropolitan area encompasses all of both Sutter County and Yuba County.
According to the 2020 census, the population of Yuba City was 70,117. The broader metropolitan statistical area has a population of 164,138 and is ranked as the 21st largest metropolitan area in California, following Redding and Chico. The region is also part of the Greater Sacramento Census Statistical Area.