Pierre, SD -- U.S. city in South Dakota Population (2000): 13876 Housing Units (2000): 5949 Land area (2000): 13.018802 sq. miles (33.718540 sq. km) Water area (2000): 0.011871 sq. miles (0.030746 sq. km) Total area (2000): 13.030673 sq. miles (33.749286 sq. km) FIPS code: 49600 Located within: South Dakota (SD), FIPS 46 Location: 44.367966 N, 100.336378 W ZIP Codes (1990): 57501 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Pierre, SD Pierre