A small sample of the documents you'll find on the Division of Elections website.
Maps may be contained within textual materials, such as reapportionment plans, and/or may also be cataloged as stand-alone maps. To find them in the catalog, try searching for items with the following subject categories.
Apportionment (Election law) -- Alaska -- Maps
Election districts -- Alaska -- Maps
Apportionment (Election law) -- Alaska
Election districts -- Alaska
The Alaska State Archives also holds records from the Alaska Redistricting Board and Division of Elections.