Samoa is located in northwest California. Samoa is part of Humboldt County. Samoa has 0.84 square miles of land area and has no water area. As of 2010-2014, the total Samoa population is 305. Samoa median household income is $52,778 in 2010-2014. On average, the public school district that covers Samoa is much better than the state average in quality. The Samoa area code is 707.