Quinhagak is a city in Bethel Census Area, Alaska, United States. As of the 2020 census, the population of the city is 776, up from 669 in 2010. The Yupik name for the village is Kuinerraq, meaning "new river channel." It has been dated to at least 1000 AD. Quinhagak is near the Nunalleq archaeological site, which has "easily the largest collection of pre-contact Yup'ik material anywhere," according to anthropologist Rick Knecht. Thousands of items dating from 1350 to 1670 have been uncovered.