They are usually the same, but to be sure, you can check out the table shells in the summary file documentation here:

www.census.gov/.../summary-file-documentation.html

Hi Mara,

It looks like you are trying to access the Summary File documentation?  If so, it was moved to https://www.census.gov/programs-surveys/acs/data/summary-file.html.

Thanks,

Gretchen

This info should be available in the 2020 Census DHC (Demographic & Housing Characteristics File) due for release this coming May. The DHC will be similar to Summary File 1 from previous censuses, with several changes that will mainly be reductions…

City level data is available. Place refers to incorporated places or Census Designated Places. I am not familiar with Bigquery but if it uses standard Census summary level codes then it would be summary level 160. Refer to the ACS summary file documentation…

The "Detailed Tables" from the ACS (i.e., the ACS Summary Files) include "geographic components" that allow you to breakdown data for certain levels further by metro / non-metro / micropolitan / urban / rural and a few other geographic…

If you are looking for them in the Summary File, the Appendices file is a great place to find all the variables. S tables are not included in there, so you have to get the specific table. so B25024 is probably the one you want. 
www.census.gov/.../summary…

Can anyone explain why some data is available on data.census.gov but not in the summary files? 

For example, Table B06007 (Place Of Birth By Language Spoken At Home And Ability To Speak English In The United States). It appears to be available on data…