Cliff:

The guidebook is a good start, but you can also use the Excel Summary File Data Retrieval Tool if you know what table and tracts you are looking for. The tool can provide both the estimate and the margin of error right next to each other with the selected geography by check marking the option.  The tool is located at:

See if the above tool will meet your need. The data is in Excel, so you can do all kinds of charts and summations as you need.

Enjoy;

Lori

Software Engineer