Demjata (Hungarian: Deméte) is a village and municipality in Prešov District in the Prešov Region of eastern Slovakia.
In historical records the village was first mentioned in 1330.
The municipality lies at an altitude of 291 metres and covers an area of 11.49 km2 (4.44 sq mi) (2020-06-30/-07-01). It has a population of about 1,101 people (2020-12-31).
The records for genealogical research are available at the state archive "Statny Archiv in Presov, Slovakia"
Roman Catholic church records (births/marriages/deaths): 1750-1895 (parish B)
Greek Catholic church records (births/marriages/deaths): 1800-1895 (parish B)
Lutheran church records (births/marriages/deaths): 1724-1895 (parish B)