Third Census of the United States, Illinois Territory, 1810

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The image below shows the population of the territory in 1810 as a heat map. The deeper red areas show the highest concentration of population. The deeper blue areas show the least concentration of population.

Randolph County7,275  St. Clair County5,007     


(click on title below to see a contemporary map of the State)

Use the 1809 map below to identify locations referred to in the census. The work was digitized by Cartography Associates. Digital image © 2006 by Cartography Associates.

Illinois Territory in 1809


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(links to digitized images of the record)
(click on the title of the following works to learn more about life in the area; for those items not available online, check with your local library for availability)

  • Ander, O. Fritiof, Margaret Cross Norton, and Margaret Cross Norton. "Review of Illinois Census Returns, 1810, 1818". The Mississippi Valley Historical Review. 22 (4): 577-578, 1936.
  •, Inc. U.S. federal census, 1810, Illinois Territory. Champaign, Ill:, 2001.
  • Jackson, Ronald Vern. Illinois 1810. North Salt Lake, Utah: Accelerated Indexing Systems International, 1987.
  • Jackson, Ronald Vern. Federal census index: Illinois 1810 :Randolph County (with enumerations). West Jordan, Utah: Genealogical Services, 1996.
  • Norton, Margaret Cross and Henry J. Dubester. 1935. Illinois census returns 1810, 1818. Springfield, Ill: Trustees of the Illinois State Historical Library.
  • Norton, Margaret Cross. Illinois census returns, 1810 and 1818. Baltimore: Genealogical Pub. Co., 1969.
  • Norton, Margaret Cross. Illinois census returns: 1810, 1818. Baltimore, Md: Clearfield, 2002.
  • U.S. Census Bureau, and Illinois State Library. Third census of the United States. 1810 (presumably covering the county of Randolph, population, 7,275). Illinois territory. Washington, D.C.: U.S. Bureau of the Census, 1929.


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