Johnson County U.S. Census (1840 - 1930)
Directory > Census Records > U.S.A. > Iowa
U.S. Federal Census records are divided into groups by state, then county, and in many cases by township as well.
1840 Census - Iowa - Johnson County from Ancestry.com
Information about the 1840 Census
1850 Census - Iowa - Johnson County from Ancestry.com
Information about the 1850 Census
1860 Census - Iowa - Johnson County from Ancestry.com
Information about the 1860 Census
1870 Census - Iowa - Johnson County from Ancestry.com
Information about the 1870 Census
1880 Census - Iowa - Johnson County from Ancestry.com
Information about the 1880 Census
Population4: 24,817
1900 Census - Iowa - Johnson County from Ancestry.com
Information about the 1900 Census
Population4: 25,914
1910 Census - Iowa - Johnson County from Ancestry.com
Information about the 1910 Census
Population4: 26,462
1920 Census - Iowa - Johnson County from Ancestry.com
Information about the 1920 Census
Population4: 30,276
1930 Census - Iowa - Johnson County from Ancestry.com
Information about the 1930 Census
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