01542 -- U.S. ZIP code Municipality (1990): ROCHDALE, Massachusetts All ZIPs for this municipality (1990): 01542 Population (2000): 2020 Housing Units (2000): 671 Land area (2000): 4.188298 sq. miles (10.847641 sq. km) Water area (2000): 0.166030 sq. miles (0.430017 sq. km) Total area (2000): 4.354328 sq. miles (11.277658 sq. km) Located within: Massachusetts (MA) Location: 42.194793 N, 71.906517 W