Layer	County-Based Files	State-Based Files	Nation-Based Files	American Indian Area-Based Files	Census 2000 Vintage	2010 Census Vintage
^# Note that all files do not exist for all states, counties, or American Indian areas. * No vintage indicated in title of file; no assigned vintage.
Alaska Native Regional Corporation		X			X	X
American Indian Tribal Subdivision		X	X	X	X	X
American Indian/Alaska Native/Native Hawaiian Area		X	X		X	X
Block	X	X			X	X
Block Group	X	X			X	X
Census Tract	X	X			X	X
Combined New England City and Town Area		X	X			X
Combined Statistical Area		X	X			X
108th Congresional District		X	X		X*
111th Congressional District		X	X			X*
Consolidated City		X			X	X
County and Equivalent		X	X		X	X
County Subdivision	X	X			X	X
Metropolitan Division		X	X			X
Metropolitan/Micropolitan Statistical Area		X	X			X
New England City and Town Area		X	X			X
New England City and Town Area Division		X	X			X
Place		X			X	X
Public Use Microdata Areas		X				X
School District--Elementary		X			X	X
School District--Secondary		X			X	X
School District--Unified		X			X	X
State and Equivalent		X	X		X	X
State Legislative District--Lower Chamber		X			X	X
State Legislative District--Upper Chamber		X			X	X
Subbarrio	X				X
Subminor Civil Division		X				X
Tribal Block Group			X	X		X
Tribal Census Tract			X	X		X
Urban Areas			X			X
Urban Growth Area		X			X	X
Voting District	X				X	X
ZIP Code Tabulation Area		X	X		X	X
All Lines	X					X*
All Roads	X					X*
Area Hydrography	X					X*
Area Landmark	X					X*
Linear Hydrography	X					X*
Military Installations		X	X			X*
Point Landmark	X					X*
Primary Roads			X			X*
Primary and Secondary Roads		X				X*
Rails			X			X*
Topological Faces (Polygons With All Geocodes)	X					X*
Address Range-Feature Name Relationship File	X					X*
Address Ranges Relationship File	X					X*
Feature Names Relationship File	X					X*
Other Identifiers Relationship File	X					X*
Topological Faces-Area Hydrography Relationship File	X					X*
Topological Faces-Area Landmark Relationship File	X					X*
Topological Faces-Military Installation Relationship File			X			X*