Waldo Junction is an unincorporated community

Unincorporated area

In law, an unincorporated area is a region of land that is not a part of any municipality.To "incorporate" in this context means to form a municipal corporation, a city, town, or village with its own government. An unincorporated community is usually not subject to or taxed by a municipal government...

 in Yuba County

Yuba County, California

Yuba County is a county located in the U.S. state of California's Central Valley, north of Sacramento, along the Feather River. As of the 2010 census, its population was 72,155. The county seat is Marysville. Yuba County is part of the Greater Sacramento area.-History:Yuba County was one of the...

, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

. It is located on Dry Creek 9.5 miles (15.3 km) northeast of Wheatland

Wheatland, California

Wheatland is a city in Yuba County, California, United States. The population was 3,456 at the 2010 census, up from 2,275 at the 2000 census. Wheatland is located southeast of Marysville...

, at an elevation of 256 feet (78 m).

A post office operated here from 1898 to 1915. Originally called Cabbage Patch in 1852, the name changed to Waldo upon the opening of the post office. The name is honor of William Waldo, an early settler.