Depression is a common chronic disorder that affects individual functioning and contributes to the increasing number of suicide rates. At present, the analysis of depression cases is carried out on a global scale and the trend data for the local scale was found to be baffling. Solving this problem would allow government and non-government bodies to understand the distribution of depression cases in the state of Kedah. This research aims to investigate the distribution of depression cases in Hospital Sultanah Bahiyah, Kedah. The age, gender, and ethnicity of depression patients referred to this hospital were classified as secondary data that were the basis of this analysis. The epidemiologic data of depression applied for this analysis were collected from the year 2014 until 2017. This research found that older patients (age 40 years old and above) suffering the depression disorder more than the youths (age below 40 years old). For gender, female patients are found to be diagnosed with depression disorder higher than male patients. It was also found that the percentage of depression among Malays shows higher rates of depression compared to other races. The findings of this research can be used as baseline information for concern parties to monitor and formulate strategies and policies to promote good health and wellbeing to achieve Sustainable Development Goal 3.