Brian,

Tell me something. Do you want to use these data for individual block groups or do you want to aggregate BGs to larger areas, such as TAZs?� I hope you know that the sampling errors for single BG data are so high as to render the data absolutely useless. I think that's why you can't find the numbers.

Patty Becker

On Fri, Feb 15, 2013 at 3:35 PM, Brian Chenault <bchenault@hrtpo.org> wrote:

Hello,

Brian Chenault from the Hampton Roads Transportation Planning Organization here.� We are trying to collect several pieces of data at the block group level using 2007-2011 ACS 5-year estimates.� Using the Census� Summary File Excel Retrieval Tool, we are able to retrieve basic population data at the block group level.� However, data at the block group level is not provided for poverty, language spoken at home, etc.� This appeared to be the case even when examining 2006-2010/2005-2009 5-year estimates.� Has this information not been �filtered down� from the census tract level yet?� How is one supposed to go about gathering this type of updated information at the block group level?

Much appreciated,

Brian� ������

Description: Description: Description: Description: Description: TPO-Heartbeat-Logo-FINAL

Brian Chenault

Community Outreach Planner

Hampton Roads Transportation Planning Organization

The Regional Building | 723 Woodlake Drive | Chesapeake, Virginia | 23320

bchenault@hrpdcva.gov | http://www.hrtpo.org | Phone: 757.420.8300 | Fax: 757.523.4881


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Patricia C. (Patty) Becker
APB Associates/Southeast Michigan Census Council (SEMCC)
28300 Franklin Rd, Southfield, MI 48034
office: 248-354-6520
home:248-355-2428
pbecker@umich.edu