Spaulding is an unincorporated community and census-designated place in Lassen County, California, United States. It is located on the west side of Eagle Lake, 2.1 miles (3.4 km) east-northeast of Whaleback Mountain and 3 miles (4.8 km) northeast of Eagle Lodge, at an elevation of 5138 feet. Its population is 206 as of the 2020 census, up from 178 from the 2010 census.