Recently, the importance of Transit-Oriented Development (TOD) of cities based around railway stations is being emphasized. This study aims to evaluate and classify 152 railway station areas from the viewpoint of Transit-Oriented Development by analyzing the target areas located in a 30km circumference surrounding Central Tokyo. By using the Principal Component Analysis, 4 factors were consequently drawn to evaluate the railway station areas: 1)Integration of urban function, 2)Connection and serviceability of public transit, 3) Change-rate of urban function, 4)Urban self-reliance. As a result of typology, it is possible to classify seven types of railway station areas. Each type's characteristics and problems are clarified through the analysis.