Mammoth is located in northwest Wyoming. Mammoth is part of Park County. Mammoth has 0.79 square miles of land area and has no water area. As of 2010-2014, the total Mammoth population is 302. Mammoth median household income is $95,023 in 2010-2014. On average, the public school district that covers Mammoth is much better than the state average in quality.