Just to add a bit more information...

In addition to tracts and block groups, PSAP includes Census Designated Places and Census County Divisions (the latter used only in about 20 states).

MPO-type folks should really be in the middle of this activity, as it is historically organized by metro area with the SDCs working on the non-metro areas.

I am what used to be called the "key person" and is now called the "principal contact" for the Detroit area.  I've been doing this stuff since before the 1980 census.

Patty Becker





At 05:53 PM 10/6/2008, you wrote:
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I got a question about PSAP today and thought it would be worthwhile to post to the CTPP listserv:
 
To be short and sweet, PSAP is largely for TRACT and BLOCK GROUP definition for the 2010 Census.  http://www.census.gov/geo/www/psap2010/psap2010_main.html   There are probably other geographic areas that are also included. 
 
From glancing through the PSAP materials, it appears that the Census Bureau wants you to contact their regional office:
http://www.census.gov/field/www/
 
However, you may want to contact your State Data Center (SDC) who may already have established lead agencies for different counties in your state.  http://www.census.gov/sdc/www/
 
Elaine
 
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Patricia C. (Patty) Becker         248/354-6520
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