Sutter County is located along the Sacramento River in the Central Valley of the U.S. state of California, north of state capital Sacramento. As of 2006 its population was 93,142. The county seat is Yuba City. Sutter County was created in 1850 and was named after General John Sutter, a Swiss citizen, who obtained a large land grant from the Mexican government, and called his first settlement New Helvetia (now the City of Sacramento). The county has a total area of 609 mi², 99% of it is land and 1% of it is water. The population density was 131/mi².