In the Mirik Municipality, there lies a demographical spatial variation in the distribution, density, composition, sex-ratio, literacy rate, and the growth of population which has a direct impact on the utilization of resources and the development of the town. The distribution pattern, density, composition, growth rate and migration therefore adds important attributes to the demography of Mirik Municipality and is controlled by physical, cultural, political and socio-economic factors. However, due to rapid growth of population, urbanization, and tourist activities, the Mirik municipality is getting stressed with its carrying capacity. Thus, the paper has an attempt to study the demographical status of the Mirik Municipality highlighting its present situation.