Theil Index: Racial Diversity
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.
STD Incidence / HIV Prevalence
Layers display information about new incidence of sexually transmitted infections, and the prevalence of HIV / AIDS.
Small Area Health Insurance Estimates (SAHIE)
Layers update the Small Area Health Insurance Estimates (SAHIE) from the U.S. Census Bureau for the year 2011. In addition to udpating the county information, new data was added at the state level including racial breakdowns for populations without insurance.
Small Area Health Insurance Estimates (SAHIE), 2022
These updated map layers display information from the the Small Area Health Insurance Estimates (SAHIE) from the U.S. Census Bureau for the year 2022.
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.
Student Test Scores
Layers display information about student performance on 4th and 8th grade English Language Arts and Math standardized tests. Data available by school district for the 2010-11 school year.
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.
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).
Households with No Vehicle
Layers display information about household automobile ownership at the census block group level.