Layer displays information about racial segregation using the Theil index. This index measures the “evenness” of all races across the county based on the racial composition of the population at the block group level.
Park Access – Census Tracts
Layer displays percent and total population living within 0.5 miles of a park boundary. Data is available by US census tract.
Prescription Drug Use Among Medicare Beneficiaries
This layer displays the average number of 30-day prescription fills per Medicare beneficiary in 2010. Data is from the Dartmouth Atlas of Healthcare Prescription Drug Use series, released in October 2013. For more layers from this series, browse the Map Room data and navigate to Healthcare>Clinical Care>Prescription Drugs.
Farmer’s Markets Accepting SNAP Benefits
Layer displays the locations of farmer’s markets across the United States that accept EBT / SNAP benefits. Data is current as of October 2013.
FEMA Disaster Declarations
This layer displays the total number of disaster declarations for 2012. Disaster events include severe weather events (like tornadoes, hurricanes, and floods) as well as emergencies of man-made origin (like terrorist attacks or toxic spills). For more layers from this series, browse the Map Room data and navigate to Environment>Emergency Management.
Gross Employment Density
Layers display information about total employment density (jobs per acre) at the census block group level. For additional map layers displaying employment density by industry, browse the Map Room data and navigate to Economic>Labor Market>Employment>Jobs by Industry.
Pedestrian-Oriented Road Network Density
Layers display information about pedestrian-oriented road network densities at the census block group level. Data is from the 2013 Environmental Protection Agency (EPA) Smart Location Database (SLD).
Employment Accessibility
This layer displays information about employment accessibility by estimating the number of jobs within 45 minutes (drive time) from each census block group.
Public Transit Stops and Stations
This layer displays the locations of transit stops and stations. Data was acquired from the US Environmental Protection Agency (EPA) and is available for the 200+ metro areas.
Households with No Vehicle
Layers display information about household automobile ownership at the census block group level.