Wainwright, also known as Ulguniq or Kuuk, is a city located in the U.S. state of Alaska. It is the third largest city within North Slope Borough on the Chukchi Sea. Wainwright took its name from Wainwright Lagoon, which in turn was named after Lt. John Wainwright. He discovered the lagoon in 1896. Wainwright was founded in 1904 and incorporated on December 31, 1962. The Alak School of the North Slope Borough School District is located in Wainright that provides education for students pre-K through grade 12. As of the 2010 census, the total population of Wainwright was 556. The population density was 13.32/sq mi. It has Zip code 99782.