Archive for: May 2012

Mapping Open Data: Baltimore City 311 Calls

What can you do with Open Data?  Make awesome maps, of course!  This map was created using Baltimore’s Open Data for 311 Calls.  Each call has a street address associated with it, which was geocoded and then spatially joined with BNIA’s shapefile for Baltimore Neighborhoods.  This is simply counting the number of 311 requests by neighborhood, but much more is...

GIS Animation: Baltimore City Income vs. Density

This animation shows Income and Density in the Baltimore MSA using 2010 Census Data. Each census tract is elevated above the surface of the map according to its population density, and color coded based on its median household income. Baltimore is representative of a monocentric city, showing a highly dense urban core surrounded by pockets of medium density and...

GIS Map of Median Income for the Baltimore-Towson MSA

This map shows Median Household Income by census tract for the Baltimore-Towson Metropolitan Statistical Area.  The data was pulled from the U.S. Census Bureau’s American Factfinder site, and joined with Tiger shape files.  Each tract is extruded and color coded based on its Median Household Income. A sharp contrast can be seen between Baltimore City and its surrounding suburbs....
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