Mercer County, New Jersey, U. S. Census

This chart shows the availability of the U. S. Federal Census for Mercer County searchable online. Of course, they are available on microfilm at various libraries. For earlier years, use the census for Mercer County's parent counties.

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Census YearMicrofilm No.StatusIndexTranscriptionImages
1840M704AvailableUSGenWeb.
Ancestry.com [subscription fee].
 
Ancestry.com [subscription fee].
USGenWeb.
Ancestry.com [subscription fee].
1850M432AvailableAncestry.com [subscription fee].Ancestry.com [subscription fee].Ancestry.com [subscription fee].
1860M653AvailableAncestry.com [subscription fee].
USGenWeb [partial].
Genealogy.com [subscription fee].
HeritageQuest Online [subscription fee].
Ancestry.com [subscription fee].
USGenWeb [partial].
Genealogy.com [subscription fee].
HeritageQuest Online [subscription fee].
Ancestry.com [subscription fee].
 
 
HeritageQuest Online [subscription fee].
1870M593, T132AvailableAncestry.com [subscription fee].
Genealogy.com [subscription fee].
HeritageQuest Online [subscription fee].
Ancestry.com [subscription fee].
Genealogy.com [subscription fee].
HeritageQuest Online [subscription fee].
Ancestry.com [subscription fee].
 
HeritageQuest Online [subscription fee].
1880T9AvailableFamilySearch.org.
Ancestry.com [subscription fee].
 
HeritageQuest Online [subscription fee].
FamilySearch.org.
Ancestry.com [subscription fee].
USGenWeb [partial].
HeritageQuest Online [subscription fee].
FamilySearch.org.
Ancestry.com [subscription fee].
 
HeritageQuest Online [subscription fee].
1890 Destroyed   
1900T623AvailableAncestry.com [subscription fee].
Genealogy.com [subscription fee].
HeritageQuest Online [subscription fee].
Ancestry.com [subscription fee].
Genealogy.com [subscription fee].
HeritageQuest Online [subscription fee].
Ancestry.com [subscription fee].
Genealogy.com [subscription fee].
HeritageQuest Online [subscription fee].
1910T624AvailableAncestry.com [subscription fee].
HeritageQuest Online [subscription fee].
Ancestry.com [subscription fee].
HeritageQuest Online [subscription fee].
Ancestry.com [subscription fee].
HeritageQuest Online [subscription fee].
1920T625AvailableAncestry.com [subscription fee].
HeritageQuest Online [subscription fee].
 
Ancestry.com [subscription fee].
HeritageQuest Online [subscription fee].
USGenWeb [partial].
Ancestry.com [subscription fee].
HeritageQuest Online [subscription fee].
 
1930T626AvailableAncestry.com [subscription fee].Ancestry.com [subscription fee].Ancestry.com [subscription fee].