There are seven tables in this data release, grouped by geographic summary level. The file names are:
- Nation (summary level 010)
- State (summary level 040)
- County (summary level 050, based on boundaries as of January 1, 2014)
- Place (summary level 160, based on boundaries as of January 1, 2014)
- MCD (Minor Civil Division, summary level 060, for the 12 strong MCD states: CT, ME, MA, NH, RI, VT, MI, WI, NJ, NY, MN, and PA, based on boundaries as of January 1, 2014)
- Tract (summary level 140, based on boundaries as of January 1, 2014)
- BlockGr (summary level 150, based on boundaries as of January 1, 2014)
Note that several county codes changes from 2013 to 2014. In those cases, the tracts and block groups in those areas stayed the same. For more information on those changes, see
http://www.census.gov/geo/reference/county-changes.html.