Flat, AK

Flat is a census-designated place in Yukon-Koyukuk Census Area, Alaska, United States. As of the 2010 Census, the population of the CDP was 0, down from 4 residents in 2000. Its post office closed in January 2004. Summer residents visited less and none remained by 2014. As of 2023, few buildings are inhabitable with hundreds of collapsed ruins.
  • Elevation: 292 ft (89 m)
  • Country: United States
  • State: Alaska
  • Census Area: Yukon-Koyukuk
  • ZIP code: 99584
  • Area code: 907
  • FIPS code: 02-25880
Data from: en.wikipedia.org