This study intends to clarify the change of 2 points in time from estimation of the dwellers' side basing on the questionnaire surveys executed for dwelles of both the same cooperative town and the neighboring common public housing complex for sale over 2 times in 1987 and 1997. At first arranging the change of 2 points in time of activity at the management society, the group of stairs or residential building and the circle, the arranging the change of 2 points in time of both participating realities and estimation of activity in housing complex of men's and women's dwellers over 21 years old, we investigated about the role and points which would fulfill forming community of the method of cooprative town by grasping the present conditions and tendency of cooperative town through comparing the 2 cases. As a result, we clarified the tendency and characteristics of forming community in making dwelling environment by the method of cooperative town.