Release Date	Data Products¹	Lowest Level Geography²
September 28, 2010	1-Year Data Release on American FactFinder: Data Profiles Comparison Profiles Selected Population Profiles Ranking Tables Subject Tables Detailed Tables Geographic Comparison Tables Thematic Maps 1-Year Summary File	Places, County Subdivisions Geographies of 65,000+ population Exception: Ranking Tables the lowest level is States
November 2, 2010	1-Year Public Use Microdata Sample (PUMS) Files	PUMAs of 100,000+ population
December 14, 2010	5-Year Data Release on American FactFinder: Data Profiles Subject Tables Detailed Tables Geographic Comparison Tables Thematic Maps	Census Tracts Exceptions: Geographic Comparison Tables the lowest level is Places/County Subdivisions and Thematic Maps the lowest level is Counties
	5-Year Summary File	Census Block Groups
	1-Year and 5-Year Spanish Version of Puerto Rico Community Survey Data Release on American FactFinder	Puerto Rico geographies only
January 11, 2011	3-Year Data Release on American FactFinder: Data Profiles Selected Population Profiles Subject Tables Detailed Tables Geographic Comparison Tables Thematic Maps 3-Year Summary File	Places, Minor Civil Divisions³ Geographies of 20,000+ population Exception: Thematic Maps the lowest level is Counties
January 11, 2011	3-Year Spanish Version of Puerto Rico Community Survey Data Release on American FactFinder	Puerto Rico geographies only
February 8, 2011	3-Year and 5-Year Public Use Microdata Sample (PUMS) Files	PUMAs of 100,000+ population

FOOTNOTES

1 For information on the types of data products available, see the ACS Data Tables and Tools.

2 The lowest level of geography refers to the Census geographic hierarchy. For more information on census geography, see the Geography Program Glossary

3 For definitions of the types of geographic areas listed, see the Geography Program Glossary