Theil Index: Racial Diversity

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Layer displays information about racial segregation using the Theil index. This index measures the “eveness” of all races across the county based on the racial composition of the population at the block group level.

RE-Powering America Sites

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Layer displays the locations of contaminated mines, landfills, and industrial sites evaluated by the US Environmental Protection Agency (EPA) for their renewable energy potential. Sample layer shows sites screened for wind-power only.

Life Expectancy

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Layers display county-level information about the average life expectancy of males and females in the United States.

New Residential Constructions Permits

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Layers display information about the number of permits issued for residential building construction in 2012. Additional data analysis by CARES includes the rate of permit issuance per 10,000 households (by county), and rate change over several time periods.

FEMA Disaster Declarations

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This layer displays the total number of disaster declarations for 2012. Disaster events include severe weather events (likw tornadoes, hurricanes, and floods) as well as emergencies of man-made origin (like terrorist attacks or toxic spills). For more layers from this … Continued

Gross Employment Density

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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

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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

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This layer displays information about employment accessibility by estimating the number of jobs within 45 minutes (drive time) from each census block group.