Background: Chronic kidney disease (CKD) is a global public health problem, affecting more than 10% of the world's population and more than half of adults older than 70years. It is one of several conditions that are common in older people, such as hypertension, diabetes, and hyperlipidemia, and are associated with an increased risk of cardiovascular disease. The aim of this study was to determine the prevalence and some of determinant factors of chronic kidney diseases among Saudi elderly in Arar, KSA. Methods: The present cross sectional community based study was conducted in Arar city, the capital of Northern Borders Governorate on 276 participants, of age 60 years and more. Systematic random sampling technique was followed. Data was collected through personal interviews with the sampled population and filling the questionnaire which guided us to the data of socio-demographic characteristics such as age, sex, educational status and marital status, it also included smoking status and certain types of diseases that may be prevalent among elderly suggested affecting renal diseases such as hypertension, diabetes millets and obesity. Results: The majority of the participants was females (55.2%), had mean age (±SD) of 60 (±9.25) years, 6.5% had renal insufficiency, 5.8% diabetic nephropathy, 1.4% chronic kidney failures. Only 3.2% had both hypertension and kidney resection, 3.2% hypertension with diabetic nephropathy and 6.3% had hypertension and renal insufficiency, 13.7% had diabetes with diabetic nephropathy, 3.9% had diabetes with chronic kidney failure and 7.8% had both diabetes and renal insufficiency. 3.2% were obese and had kidney resection, 6.3% obese with diabetic nephropathy, and 3.2% obese with chronic kidney failure and 4.8% obese with renal insufficiency. Conclusion: Chronic kidney diseases are common in older people in Arar city, Northern Saudi Arabia. 6.5% had renal insufficiency, 5.8% had diabetic nephropathy, 1.4% had chronic kidney failures and 1.4% had Kidney resection. Large scale community based studies with detailed investigations are needed. Health education directed to elderly population and their care givers about renal diseases and its risk factors are mandatory.