Background: Dental caries is a major dental and oral health problem worldwide with a very high prevalence of morbidity. The prevalence of dental caries in Indonesia increased 43,4% to 53,2% on the year of 2007 to 2014. Index DMF-T on 2013 were 4,6. Dental caries status are influenced by view factors such as dental health level of knowledge and dental health behavior. Objective: The objective of this study was to determine the correlation between the dental health level of knowledge with the dental caries status in the community district of Kotagede Yogyakarta. Method: This was an observational using a cross-sectional design. Subjects were 215 people district of Kotagede Yogyakarta and selected using multistage random sampling. The variables studied were dental health level of knowledge with the dental caries status. Dental health level of knowledge was measured using questioner and caries status using the DMF-T index. Data analysis used Pearson correlation. Result: There was a significant and correlation between dental health level of knowledge with the dental caries status (p=0,000, r= -70,1). The average score on dental health level of knowledge was 7,4 and DMF-T was 9,4 Conclusion: There was a significant and correlation between dental health level of knowledge with the dental caries, semakin tinggi tingkat pengetahuan kesehatan gigi dan mulut maka semakin rendah status karies gigi masyarakat di Kecamatan Kotagede. Keywords: dental health level of knowledge, DMF-T index