District of AColumbia Census, 1800 2nd census of the US, 1800. District of Columbia (that portion originally included in the State of Maryland) (census for portion originally in Virginia are missing) NARS M32. Reel 5.
District of Columbia Census, 1820. 4th census of the US, 1820. Disrict of Coumbia included Washington, Georgetown, and Alexandria County. NARS M33, Reel 5. Alexandria city begins on pp.211.
District of Columbia census, 1830. 5th Census of the US, 1830: District of Columbia inclued: Washington, Georgetown and Alexandria Co. NARS M19, Reel 14.
District of Columbia Census. Virginia Census, 1840. 6th Census of the US, 1840. District of Columbia, Washington City, Washington County, Georgetown and Alexandria Co. NARS M704, Reel 35.