Mekoryuk is a city located on Nunivak Island in the Bethel Census Area, Alaska, United States. At the 2010 census the population was 191, d…Mekoryuk is a city located on Nunivak Island in the Bethel Census Area, Alaska, United States. At the 2010 census the population was 191, down from 210 in 2000. Nunivak Island has been inhabited for 2,000 years by the Nuniwarmiut, or Nunivak Cup'ig people.