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I just downloaded block-level census data, using this answer Where to get 2010 Census Block data?

It output a spreadsheet with a bunch of rows of the format

GEO.id                   | GEO.id2    | Geo.display-label
1000000US22071000100100  | 2.2071E+14 | Block 1002, Block Group 1, Census Tract 1, Orleans Parish, Louisiana

I want to convert "Block 1002, Block Group 1, Census Tract 1" to something like 700 Block of Jefferson St. Etc.

How do I convert these "addresses" into street addresses or longitudes/latitudes?

Edit

I can go individually from street address to census block using the advanced search on American Fact Finder, but I am looking for a way to do a batch conversion.

The FCC has an API that will do block conversions from lat/longitude to blocks: http://www.fcc.gov/developers/census-block-conversions-api

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    Didn't you download the features along with the data? The answers to the thread you reference describe how to do that. The Census site itself gives plenty of instruction, too. – whuber Oct 29 '13 at 18:31
  • @whuber I did download the features but am not sure what to make of them. I don't know very much about the census. Can you link to the instructions? – bernie2436 Oct 29 '13 at 18:58
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    Displaying features is the most basic operation in GIS, so consider running the tutorial for your GIS software. You can also search our site for related ideas. – whuber Oct 29 '13 at 19:02
  • @whuber for sure. I am just learning how to do all this. When you say "The Census site itself gives plenty of instruction" can you point me where to look? – bernie2436 Oct 29 '13 at 19:18
  • Wait a minute, do you mean FROM street address TO Census Block? As in enter a street address and return a Census Block ID as the result? Because that would make a lot more sense. – Kotebiya Oct 30 '13 at 1:34
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If these are polygons, you can use the feature to point tool in ArcGIS. Then use calculate geometry within the attribute table to create X and Y tables.

http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//00170000003m000000

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