Google Earth Community: Bush-Kerry by California Statistical Precincts

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bc99
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Reged: 06/10/06
Posts: 30

Zillow Neighborhoods with demographic overlay

01/22/08 05:27 AM

View in Google Earth View in Google Maps (355 downloads)

This KMZ file (7.4 mb) aggregates basic population and poverty demographics for the Zillow neighborhood boundaries.

I used census block group data from the SF1 and SF3 file of the 2000 census. The map is color-coded by the percent of the population living at or below the poverty level.

Neighborhood boundaries are sorted by city and state in the sidebar. For faster display, the initial map shows Washington, DC only. Click boxes on the sidebar to display additional states.

Use Ctrl-click on the map to display the population and poverty stats by neighborhood.

Block groups are often split by neighborhood boundaries. For the population data by race and ethnicity, it is possible to develop more accurate estimates using block-level data from the SF1 file. However, for the poverty data, block groups represent the smallest unit reported by the Census Bureau.

In a few instances (less than 1 percent), neighborhood estimates could not be derived due to topology errors when converting from the original source Zillow shapefiles. (This includes all of Wake County-Raleigh, NC). You can identify these discrepancies by overlaying the non-color-coded KMZ file posted in the entry above.

For more detail, remember that you can always overlay SF1 and SF3 datasets from gCensus .

See also this blog post with a Google Map example.

As noted above, the neighborhood boundaries are made available in shapefile format by Zillow.com under a Creative Commens License.

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Entire topic
Subject	Posted by	Posted on
Bush-Kerry by California Statistical Precincts	bc99	06/15/06 05:25 PM
Bush-Kerry by Georgia Precincts (VTDs)	bc99	04/01/08 07:13 PM
Bush-Kerry by South Carolina Precincts	bc99	03/23/08 04:22 PM
Re: Bush-Kerry by California Statistical Precincts	bc99	03/16/08 10:33 AM
Bush-Gore by Pennsylvania Precincts	bc99	03/14/08 06:24 PM
2002 US Senate Contest by North Carolina Precincts	bc99	03/28/08 07:00 AM
Bush-Gore by Indiana Precincts	bc99	03/24/08 10:07 AM
Bush-Gore by West Virginia Precincts	bc99	03/22/08 10:34 AM
Zillow Neighborhoods	bc99	01/17/08 08:12 AM
Zillow Neighborhoods with demographic overlay	bc99	01/22/08 05:27 AM
Bush-Kerry by Texas Precinct	bc99	11/24/07 05:54 AM
Bush-Kerry by Minnesota Precinct	bc99	11/22/07 02:17 PM
2006 Governor Contest by Minnesota Precinct	bc99	12/21/07 05:36 AM
Bush-Kerry by Wisconsin Ward	bc99	11/13/07 08:36 AM
2006 Governor Contest by Wisconsin Ward	bc99	12/23/07 07:04 AM
Bush-Kerry by New Mexico Precinct	bc99	10/28/07 04:39 PM
Bush-Kerry by New Hampshire Precinct	bc99	04/05/07 01:37 PM
Re: Bush-Kerry by New Hampshire Precinct	mark808	04/08/07 06:37 AM
Registered Latinos by CA Statistical Precincts	bc99	06/16/06 01:51 PM
Point file overlay for Bush-Kerry & Latino maps	bc99	06/24/06 08:31 AM
Estimated Latino 18+ citizens (2006) by tract	bc99	01/06/08 06:43 AM
Re: Point file overlay for Bush-Kerry & Latino maps	MagnumSerpentine	08/31/06 10:28 AM

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