Backgroud: Dental caries is the major dental and oral health problem with high prevalence of morbidity. The prevalence of Dental caries in Indonesia increased 43,4% on the year of 2007-2014. Index DMF-T on 2013 were 4,6. Dental caries status are influenced by view factors such as dental level of knowledge and behavior. Objective: The study was to determine the correlation between dental health level of knowledge with the dental caries status in the community district of Kotagede Yogyakarta Method:Observasional using a crosssectional design.Subjects were 215 people district Kotagede Yogyakarta. Result: There was a signicant and adequate correlation between level of knowledge with dental caries status (p=0,000, r=0,701) average score on dental health level of knowledge was 7,4 and DMF-T was 9,4