District of Columbia Census
United States Censuses 1850-1920—Free Internet census indexes and images to the 1850, 1860, 1870, 1880 (index only), 1900, and 1920 (partial index only) can be viewed on the FamilySearch Record Search. These indexes show every name listed on the census, and except for 1880 and 1920, are also linked to census images including information about each person’s residence, age, birthplace, occupation, other family members, and neighbors.
Federal census records are found at the Family History Library, the National Archives, and other federal and state archives. The United States Research Outline provides more detailed information about these records.
1790-- Residents living east of the Potomac in what is now the District of Columbia were in Prince George and Montgomery Counties of Maryland. The census for Maryland is indexed. The area west of the Potomac was included in the Virginia census, which is missing.
1800--The Eastern Portion exists.
1810--Lost or Destroyed.
1820-1930--The Family History Library has the U.S. federal censuses of the District of Columbia.
During the War of 1812, The British captured Washington and burned most of the public buildings and records. In 1871 Congress changed the city's status to that of a federal territory.
1850, 1860, 1870, and 1880 are on FHL films 1549978-9. All have been indexed.
1803, 1807, 1818--District censuses were taken,but have little information.
1867-1878--District censuses are quite detailed. They provide name, age, sex, marital status, color, length of residence, occupation, and nativity of parents. These are at the Maryland State Archives.
Police censuses exist for the following years:
1885, 1894, 1897, 1905-1909, 1912, 1915, 1917, 1919
1925--The 1925 census is missing.
These are similar in content to the 1820 federal census and were published in the Annual Reports of the Commissioner of the District of Columbia, which are available at the National Archives.
No state censuses exist for the District of Columbia.
FamilySearch Record Search has free census indexes and images for 1850, 1860, 1870, and 1900; but indexes only for 1880, and 1920.
Heritage Quest Online: http://www.heritagequestonline.com
Census Online: http://www.census-online.com/links/DC/
Genealogy Today: http://dir.genealogytoday.com/usa/dc/census.html
Access Genealogy: http://www.accessgenealogy.com/census/washdc.htm
Mortality Schedules: http://mortalityschedules.com/
District of Columbia Research Outline. Salt Lake City, Utah: Intellectual Reserve, Inc., Family History Department, 1998, 2001.