On Thursday, July 7 , the U.S. Census Bureau will release a 2010 Census Summary File 1 Microsoft Access table shell. The table shell will provide an easier way to access Summary File 1 information from the Census Bureau's FTP site http://www2.census.gov/census_2010/04-Summary_File_1/. Instructions for how to use the shell and work with the information will also be included in the .zip file. Some of the tables in Summary File 1 of interest to transportation planners include: P12 Sex by Age (23 age categories) P14 Sex by Age (Single years 0-19) P19 Household size and type by presence of children (19 cells) P28 Household type and Household size (16 cells) P42 Group Quarters by GQ Type (10 cells) H3 Housing Units H12 Average Household Size by Housing Tenure (own/rent) For more information on which states have been released, please see: http://2010.census.gov/news/press-kits/summary-file-1.html Elaine Murakami FHWA Office of Planning 206-220-4460