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I know that the block group is a polygon but the Census Gazetteer files provide a lat/long for census tracts here - http://www.census.gov/geo/maps-data/data/gazetteer2010.html

Where can I get this for the census block group level ?

The FCC provides an API that converts LATLONG to CENSUS BLOCK GROUP but Id like the reverse [https://www.fcc.gov/developers/census-block-conversions-api]- maybe Im being vacuous ?

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Not sure which software you are using.

This can be accomplished by getting the centroids of the Census Block Group polygons.

  • Thanks - this question assumes software agnostics. Does that mean I open a shapefile of the block groups from here - census.gov/cgi-bin/geo/shapefiles/… and then calculate the centroid and then export ? Im surprised someone has not already done this ..1 – vr00n Nov 2 '15 at 15:28
  • Sure. In ArcMap for instance, you would use Feature to Point and get the resulting points with lat/longs for the center of each Block. – Maksim Nov 2 '15 at 15:30

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