Although the potential utilization of geographical information system (GIS) technologies in social service planning at a community level has been suggested for more than a decade, actual applications are still rare. This article reports on a pilot study in which service user records of a short-term food assistance project operated in Hong Kong are mapped and analyzed using a geographical information system. Spatial analysis of the data set reveals an understanding of the problem of poverty in the served region that may not be observed by using conventional statistical analyses. The visualization of service data makes information more comprehensible to practitioners and community stakeholders, and helps create an empowering environment in the service review and planning processes. The project is suggested to have demonstrated a new method in locality service planning.KEYWORDS GIS, Hong Kong, poverty, service review and planning Like many modern cities, Hong Kong is facing emerging social problems and needs that make increasing demands on social services. At the same time, use of public monies is also subjected to stronger voices of accountability so that service efficiency and effectiveness can be assured. Among various technologies that may help the purpose, geographical information system (GIS) technologies are suggested to have potential for social service organizations,