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This paper aims at exploring methods for investigating urban properties in walking distance including 0.5-mile and 1-mile buffer zones from subway lines in Boston, United States, by employing spatial and statistical analyses with GIS (Geographic Information Systems). While various relevant data and materials are collected, visualized, utilized, and analyzed, especially using Census data in conjunction with those of the subway system offered by the MBTA (Massachusetts Bay Transportation Authority), the following research questions have been considered to guide the investigation: 1) What are the geographic characteristics of the zones in walking distance from subway routes in Boston, Massachusetts? 2) Is there a relationship between race and class, and proximity to the various facilities in downtown, Boston? 3) What are the demographic patterns in relation to points of interest in Boston? 4) Is there a relationship between race and class regarding households and house units in census information? 5) What differences are there between operations for a spatial analysis? This study suggests the methods of using GIS as an analysis tool for the subway zone and a decision-making device in planning of urban space.