Unalaska first reported on the 1880 U.S. Census as the Aleut and Creole (Mixed Russian & Aleut) village of Iliuliuk. Of its 406 residents, 230 were Aleut, 162 were Creole (Mixed Russian & Native) and 14 were White. It was the 9th largest community in Alaska. In 1890, it returned as Unalaska with 317 residents. This included a majority of 165 Creoles, 84 Natives, 66 Whites and 2 Asians (the total population included adjacent Dutch Harbor, and 5 docked vessels including the steamers "Arago" and "Dora" and schooners "Nellie Martin", "Pearl" and "Matthew Turner". In 1900, it reported as Unalaska again, but did not present a racial breakdown. It reported again as Iliuliuk in 1910, but has reported from 1920 onwards as Unalaska. It was formally incorporated in 1942.