As of April, 2007, the city has an estimated population of 413,398 and a population density of 5,772.10 persons per km². The total area is 71.63 km². The city is serviced by two rail lines, the Odakyu line and the JR East rail system's Yokohama Line. Machida is also the home of Obirin University.
Tokyo Metropolitan Government Board of Education operates public high schools.