1836 State or Territorial Census
The full transcription of the first census for the area that would become the state of Iowa.  It appears the settled areas at that time were within the 1832 Black Hawk Purchase and include--in whole or in part--today's counties of: Buchanan, Cedar, Clayton, Clinton, Davis, Delaware, Des Moines, Dubuque, Fayette, Henry, Jackson, Jefferson, Johnson, Jones, Lee, Linn, Louisa, Muscatine, Scott, Van Buren, Washington.

1838 State or Territorial Census Transcriptions for counties west of the Mississippi.  Includes the area to become Iowa and Minnesota Territories.)

1840 Federal Census, Half Breed

1850 Federal Census Norwegians (Born in Norway)

1852 State Census
Keokuk
Population Totals

1854 Iowa State Census
1. Cedar, Charleston, Denmark, Des Moines, Franklin, Green Bay, Harrison
2. Jackson
3. Jefferson, Madison, Marion, Montrose, Pleasant Ridge, Van Buren, Washington, West Point

1856 Iowa State Census
Cedar
Charleston
Denmark
Des Moines
Franklin
Green Bay
Jefferson
Pleasant Ridge
Poor Farm