20001 -- U.S. ZIP code
   Municipality (1990):  WASHINGTON, District of Columbia
   All ZIPs for this municipality (1990):
                         20001 20002 20003 20004 20005 20006
                         20007 20008 20009 20010 20011 20012
                         20015 20016 20017 20018 20019 20020
                         20024 20032 20036 20037 20336
   Population (2000):    33550
   Housing Units (2000): 14079
   Land area (2000):     2.570456 sq. miles (6.657449 sq. km)
   Water area (2000):    0.052019 sq. miles (0.134728 sq. km)
   Total area (2000):    2.622475 sq. miles (6.792177 sq. km)
   Located within:       District of Columbia (DC)
   Location:             38.907711 N, 77.017322 W