Aim To assess the prevalence of diabetes(DM) and associated factors among the elderly population aged 60~79 years in urban communities of Chengyu area. Methods A total of 2 135 adults aged 60~79 years were enrolled from urban communities of Chengdu and Chongqing area using a stratified cluster sampling method. Fasting blood glucose (FPG) was arranged in all patients. Oral glucose-tolerance test (OGTT) were used for assessments for those who have no history of DM. The survey was carried out by the same questionnaire for all subjects. Results DM prevalence was 39.6% in hypertensive patients aged 60 to 79 years in urban communities of Chengyu area, and with the rates of 35.0% and 42.9% in men and women, respectively (P＜0.01). DM prevalence of elderly hypertensive population increased with age (trend P=0.02). A total of 59.9% of the diabetic patients were newly diagnosed in this survey. Age, higher income level, family history of DM, overweight or obesity, Hypertriglyceridemia were risk factors of DM among hypertensive patients aged 60 to 79 years, and the physical exercise was protective factor. Conclusion There was a high prevalence of DM among hypertensive patients aged 60 to 79 in urban communities of Chengyu area, most diabetic patients were missed.