In Alaska Stat. § 18.56.400 – 18.56.600,

(1) “housing” means owner-occupied, single-family housing and owner-occupied duplexes in which not more than 25 percent of the gross floor area is or will be devoted to commercial use;
(2) “small community” means a community with a population of 6,500 or less that is not connected by road or rail to Anchorage or Fairbanks, or with a population of 1,600 or less that is connected by road or rail to Anchorage or Fairbanks; in this paragraph, “connected by road” does not include a connection by the Alaska marine highway system.