Yotsukaidō is a city located in the Chiba Prefecture of Japan. It covers a total land area of 34.52 square kilometers, which is equivalent to approximately 13.33 square miles.
As of November 1, 2020, the city had an estimated population of 95,266 people living in 43,191 households. The population density of the area is recorded at 2,800 persons per square kilometer.