Regardless of business considerations, customer perception is the most crucial element since it reveals how satisfied customers are with any given service or product. Beneficial customer perceptions do have a significant and positive impact on a business’s profitability, as they increase repeat business, brand loyalty, good word-of-mouth referrals, and long-term viability. It is difficult to keep customers in today’s competitive business climate, which includes retailing sector. Thus, retailing stores including hypermarkets in the industry is to be improving their high-quality services with consistent manner. This study aimed to analyze the effect of consumer’s demographic profile namely gender, age, marital status, type of family, no. of family members, place of living, education, occupation and family income with their perception towards impulsive buying in Hypermarkets. The primary data collected from 100 respondents in various hypermarkets in Coimbatore City. Multiple regression analysis was used to analyze the effect of demographic profile of the consumers on their perception towards impulsive buying. This study found that education, occupation and family income of the consumers is most important demographic factors on impulsive buying in hypermarkets, because these demographic factors have positive effect on their perception towards impulsive buying