Hypertension is regarded one the global problem but it prevalence in the under developing countries is high and to least say alarming. Hypertension is responsible for the major cause of cardiovascular disease. Studies report that hypertension is multi factorial disease and its prevalence varies with various countries and geographical regions. Hence in this study we tried to find the prevalence of hypertension in Karachi, Pakistan. We conducted our study on 130 participants from Karachi through a simple savory method. Our result confirmed that 18% of the participants were hypertensive patients. We also found that 94% were those who belong to low income group and among them 17% were hypertensive patients. Our results also shown that 31 % were those who never checked their blood pressure and 8% with hypertension were cardiac patients. This shows that along with family history. Low income and unhealthy life style are major factors for high prevalence in the inhabitants of Karachi. We also concluded that means should be improved to enhance knowledge and awareness of people of Karachi about hypertension.