The study examined hypertension prevalence and related factors among elderly people in Khanh Hoa Province, Vietnam. A survey of 2,170 elderly people found a hypertension prevalence of 48.1%, higher in men (52.2%) than women (45.4%). Hypertension was also higher in the Kinh ethnicity than the Raglai minority. Systolic blood pressure was found to be positively associated with age and BMI.