Alaska Stat. § 01.10.055 – Residency

(a) A person establishes residency in the state by being physically present in the state with the intent to remain in the state indefinitely and to make a home in the state.
(b) A person demonstrates the intent required under (a) of this section
1. (1) by maintaining a principal place of abode in the state for at least 30 days or for a longer period if a longer period is required by law or regulation; and
2. (2) by providing other proof of intent as may be required by law or regulation, which may include proof that the person is not claiming residency outside the state or obtaining benefits under a claim of residency outside the state.
(c) A person who establishes residency in the state remains a resident during an absence from the state unless during the absence the person establishes or claims residency in another state, territory, or country, or performs other acts or is absent under circumstances that are inconsistent with the intent required under (a) of this section to remain a resident of this state.