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geographic boundaries

First of all I want to thank you all at the Census for your brilliant effort in providing a usable API. I think the documentation needs to be improved, though, with more examples of string requests and possible use of wild cards, if any.

I am currently working on a web application where I want the user to visualize demographic indicators within a certain distance from a specific/user-picked LatLong (for instance total population count within 5 miles, or % of Hispanic people for each block group within a tract), but I can't find any information on how to retrieve, through the API, the census' geographic boundaries (tract, block group or block) in order to plot them on a map (Google), or how to get a list of all block groups within a tract or blocks within a block group.

Is this at all possible? If so, can you please give me some direction?

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Submitted by 2 years ago

Comments (1)

  1. Hi, I'm developing a application that I need to do some geographics searches too. My solution was search in the ArcGIS Rest (http://tigerweb.geo.census.gov/arcgis/rest/services/tigerWMS_Census2010/MapServer/)

    But i need a easier way to get the data passing just the upperleft point and the lowerright point.

    1 year ago

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  1. The idea was posted
    2 years ago