[2] It is Iceland's lowest-populated municipality with a population of 53 based on the 2024 estimate.

[2] The village Djúpavík at the Reykjarfjörður [ˈreiːcarˌfjœrðʏr̥] is situated in the municipality.

Other villages are Gjögur [ˈcœːɣʏr̥], Norðurfjörður [ˈnɔrðʏrˌfjœrðʏr̥] and Krossnes [ˈkʰrɔsːˌnɛːs].

Árneshreppur is renowned for its stunning natural beauty with diverse hiking paths, the exhibitions in Djúpavík and the museum Kört in Trékyllisvík.

One of the main tourist attractions is Krossneslaug, a unique swimming pool by the seaside.