Yukon-Koyukuk Census Area
US county in Alaska
Yukon–Koyukuk Census Area is a census area in the U.S. state of Alaska. As of the 2020 census, the population was 5,343, down from 5,588 in 2010. With an area of 147,842.51 sq mi, it is the largest of any county or county-equivalent in the United... Wikipedia