Background: A Dementia Health Literacy Project was undertaken in the north coast region of NSW, Australia, after it was identified as having a high prevalence of dementia. A Dementia Support Kit was produced with service user engagement to provide useful information to people with dementia and their families. Objective: To evaluate the Dementia Health Literacy Project using a realist evaluation framework. Setting and participants: The setting was the region of the north coast of New South Wales.