Objectives: Preventing disability and promoting health of older population is a major challenge in public health. Frailty is a state of high vulnerability for adverse health outcomes, but also known as conditions possibly prevented and managed. This study aimed to investigate factors associated with frailty of community-dwelling older people by age group, applying multi-dimensional framework. Methods: The sample of this study included 800 community-dwelling elderly people who were 60 years of age or older. Data on participants’ lifestyle and environment factors, socio-economic status, social factors, physical and mental health were collected. Frailty was defined and measured with Fried’s criteria of frailty. Results: Among all participants, 42.54% were classified as ‘non-frail’, 46.04% as ‘pre-frail’, and 11.41% as frail. In young-old, vegetables consumption, harmful fuel use, sex, education, depression, cognitive function were associated with frailty, while in old-old, fruit consumption, passive smoking, living near hazardous facilities, education, BMI, vision were the factors of frailty. Conclusions: The study demonstrated factors associated with frailty with multidimensional framework, suggesting environmental factors should be taken in to account in frailty studies. Also, the results showed disparities in frailty between age groups, which implies variability of elderly population should be considered when developing intervention strategies and policies.