Column Name             Type                Column Definition 
OBJECTID                int                 Unique identifier for the record
Shape                   varchar(20)         Type of shape: point, line, polygon, multipoint, or multipatch
StateFIPS               varchar(2)          State FIPS code
CountyFIPS              varchar(3)          County FIPS code
PlaceCode               varchar(7)          Place FIPS code
BuildingID              int                 Unique ID for building
State                   varchar(2)          State that building resides in
Latitude                decimal(18,13)       Latitude coordinate of the inside centroid of building
Longitude               decimal(18,12)       Longitude coordinate of the inside centroid of building
Censuskey               varchar(16)         Fifteen or sixteen-digit key that represents: State (2) + County (3) + Tract (6) + Block Group Number (4) + Optional Block Suffix (1). The suffix is used to indicate if any changes were made the to Block Group Number
CensuskeyDecennial      varchar(15)         Fifteen-digit key that represents: State (2) + County (3) + Tract (6) + Block Group Number (4)
Area                    decimal(19,13)       Area of building in square meters
Perimeter               decimal(18,13)       Perimeter of the building in meters
ShapeWKT                varchar(35000000)   Well-Known Text field
ShapeWKTLength          int                 Well-Known Text field length
Shape_Length            decimal(20,18)       *Length (perimeter) of shape 
Shape_Area              decimal(20,18)       *Area of shape 

* Measurements are in decimal degrees, driven by the original coordinate system.  Not reliable for use.