Nightmute is a city and village in Bethel Census Area, Alaska, United States. The population was 208 at the 2000 census and 280 as of th…Nightmute is a city and village in Bethel Census Area, Alaska, United States. The population was 208 at the 2000 census and 280 as of the 2010 census. Negtemiut literally means ‘the people of the pressed-down place’. The first element is negte- ‘to press down on’. The suffix is -miut ‘people’.