11.22.2010 
This Tract is a tool created by Michal Migurski to display US Census demographics in your current location by using geolocation support built in to modern browsers. Using geofencing techniques, it’ll show you data about each level of “subdivision” you’re in: census tract, county, state, etc. He uses a neat combination of Census data, Yahoo’s YQL, Modest Maps, and OpenStreetMap to mash together the results. Another great example of using cutting-edge mapping tech to make public domain data actually accessible the general public.

This Tract is a tool created by Michal Migurski to display US Census demographics in your current location by using geolocation support built in to modern browsers. Using geofencing techniques, it’ll show you data about each level of “subdivision” you’re in: census tract, county, state, etc.

He uses a neat combination of Census data, Yahoo’s YQL, Modest Maps, and OpenStreetMap to mash together the results.

Another great example of using cutting-edge mapping tech to make public domain data actually accessible the general public.

census maps mashup government 
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