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History’s Mysteries LLC is a researching firm setting out to uncover answers to your inquiries about history in Northeast Iowa. Our expertise lies in the research of Iowa real estate and cemeteries as well as other areas of genealogical and ephemera research.


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Iowa population through the years

 Iowa's population through the years:

1840-43,112 (including that part of Minnesota lying west of the Mississippi River, which at that time was part of Iowa Territory)
1850-192,214
1860-674,913
1870-1,194,020
1880-1,624,615
1890-1,912,297
1900-2,231,853
1910-2,224,771
1920-2,404,021
1930-2,470,939
1940-2,538,268
1950-2,621,073
1960-2,757,537

Figures from "High Points of Iowa History," by Eugene N. Hastie, 1966