Hyder is a census-designated place located in the U.S. state of Alaska. It is included in Prince of Wales-Hyder Census Area. It is the southernmost and easternmost town of Alaska approximately 2 miles car travel from Stewart, British Columbia. The total land area of Hyder is 14.8 square miles at 55°54′51″N 130°01′28″W. It is elevated by 118 feet above sea level. As of 2010 census data, the total population was 87 people living in the place. The population density was 5.9/sq mi. Hyder Zip code is 99923.