Background: Aging per the biological concept is the results of the build- up of a large type of cellular changes within the bodyovera expanded period of time which results in a decrease in physicality and mentality. The aim of the study to assess cognitiveimpairmentandqualityoflife among elderly inselectedcommunityarea. Methodology: Descriptive survey research design was used, total 130 elderly were selected through total enumerative samplingtechnique . Data was collected by interview method for Socio-demographic variables, Mini Mental StatusExaminationandStructuredtoolonqualityoflifeincommunityareaofMarkhamgrant,Dehradun,Uttarakhand.Frequency,percentagemeanandstandarddeviation,Chi-Square,FishersExactTestwasused. Results:This study showed that (53.8%) of the elderly were having no cognitive impairment, (30.8%) were having mildcognitive impairment, (13.1%) of the elderly were having moderate cognitive impairment, (2.3%) of the elderlywere having severe cognitive impairment. The result also showed that 72.3% were having average quality of life,15.4% were having good quality of life, 12.3% were having poor quality of life and the mean QOL score wasmaximum in Social Relation and Family (21.94±2.951) and minimum in financial circumstances (13.52±2.864).The cognitive function is improving and quality of life is also improving as there is highly significant moderatepositive correlation (0.482)testedat0.05 levelofsignificance. Conclusion:The study concluded that the elderly were having no cognitive impairment and average quality of life.