Philip -
That is basically true. The only time block groups will change between
Census counts, that I'm aware, is if a new county is added (which
happened in both Colorado and Virginia after the 2000 census). In these
cases, the geographic boundaries themselves didn't change, just the
first 3 c
Just wanted to make sure. US Blockgroup boundry files do not change but
every 10 years, Correct?
Philip Lesnik
Research Systems Analyst, Market Research
General Growth Properties, Inc.
110 N. Wacker Drive BSC 3-13
Chicago
