About Grangeville CDP, California
Grangeville is a census-designated place (CDP) in Humboldt County, California, United States. The population was 1,745 at the 2010 census, up from 1,624 at the 2000 census.
Grangeville is located at 40°56′17″N 123°58′37″W / 40.93806°N 123.97601°W / 40.93806; -123.97601 (40.938066, -123.976034), about 10 miles (16 km) northwest of Eureka, the county seat.
According to the United States Census Bureau, the CDP has a total area of 3.5 square miles (9.1 km²), all of it land.