Washington DC Census online research should begin with what is available online for free. If this proves fruitful then congratulations! If not, then I would suggest signing up for the online census images (links to the right) where you can access all the available online Washington DC census information directly from your computer at home.
1790
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See
Census Images Online for ALL Counties!
1800
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See
1810
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See
1820
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See
1830
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See
1840
1840 Federal Census - Pensioners (hosted at
Colonial
America USGenNet)
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See
1850
1850 Washington, D.C.
Mortality Schedule (hosted at
Christine's Genealogy Websites)
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See
1860
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See
1870
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See
1880
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See
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Complete 1880 census is for sale at the LDS Catalog.
1890
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See
1900
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See
1910
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See
1920
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See
1930
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The