Geography Salem is located along the Salem River. According to the United States Census Bureau, the city had a total area of 2.81 square miles (7.29 km2), including 2.34 square miles (6.07 km2) of land and 0.47 square miles (1.22 km2) of water (16.73%).
Geography Salem is located along the Salem River. According to the United States Census Bureau, the city had a total area of 2.81 square. miles (7.29 km2), including 2.34 square miles (6.07 km2) of land and 0.47 square miles (122 km2) of water (16.73%).