Source Information
Ancestry.com. Argentina, Buenos Aires City Census, 1855 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2014.Original data: Argentina, Buenos Aires City Census, 1855. Salt Lake City, Utah: FamilySearch, 2013.
About Argentina, Buenos Aires City Census, 1855
This collection includes images and indexes for the 1855 census of the city of Buenos Aires.
You can learn more about this collection at the FamilySearch website.