The aim of this study was to investigate relations between sense of community, life satisfaction, self-esteem, perceived social support and satisfaction with community services in three territorial communities of dierent sizes. Further, the relations between sense of community and socio-demographic variables (gender, age, marital status, education, children, working in one's own community, owning one's home and group participation) were also studied. The Italian version of the Sense of Community Scale, Rosenberg's Self-esteem Scale, the Satisfaction with Life Scale, the Multidimensional Scale of Perceived Social Support, a scale on Satisfaction with Community Services and a questionnaire were administered to 336 subjects; selection was made in the three communities from 20±60 year-old individuals. Results con®rm that sense of community and life satisfaction are higher in the town than in the larger communities; also, sense of community relates to life satisfaction only in the town and the small city. # 1998 John Wiley & Sons, Ltd.