The progressive growth pattern of the census Metropolitan investigates in this paper. This is a urban area and recognized as town by the state. Kolkata is one of the largest metropolitan cities in India. Till 1912, Kolkata was the capitals of India Secondly to find out that census city are product of agglomeration economies across all districts of west Bengal. Thirdly to investigate the spatial inequality of access to the basic services of this spatially transformed area and make a comparison with statutory urban area of the state. West Bengal is one of the most urbanized states of India. According to the 2011 census West Bengal has 31.87 percent of urban population and it was 27.48 percent in 1991. Therefore more than 4 percent increase of urban population within two decades. Growth of census town from 1981 to 2011 is 16.43 percent. It is apparent from the study that census town close the KMA (Kolkata Metropolitan Area) have greater accessibility of service. With massive growth of urban population, concentration of population is more in larger towns/ cities and metropolitan areas.