On-Farm Market Sites
Layer displays the location of on-farm markets across the US. Data was obtained from the USDA Local Food Directories on July 12, 2025.
30-Day Hospital Readmission by County, 2019
This layer displays the percentage of Medicare inpatient readmissions within 30 days of an acute hospital stay during then reference period.
Roman Catholics
This layer displays the number of Catholic adherents using data from the Association of Religious Data Archives (ARDA).
Heat Index – Average Days Above 99th Percentile
This updated dataset reports the total number of days in which an extreme heat event was above the 99th percentile between 2014-2016 at the county level. Data were obtained from the Centers for Disease Control and Prevention (CDC) Environmental Public Health Tracking Network (EPHTN).
Gross Pollutant Releases
This layer displays the total pounds of toxic pollutants released by industrial and federal facilities.
Pulic Education Revenue, 2021-22
This layer data was obtained from the National Center for Education Statistics (NCES) Common Core of Data (CCD) School District Finance Survey. The survey provides finance data for all local education agencies (LEAs) that provide free public elementary and secondary education in the United States. County-level data was generated by CARES by aggregating school-district level…
USGS Structures – Emergency Response Facilities
This layer shows emergency response facilities found in the USGS Structures Dataset
500 Cities Project Data by City and Census Tract, 2017
Map data topics include preventative health, risk behaviors, and clinical care. Estimates from the 500 Cities Project are available at the state, city, and census tract level. Data representing year 2017 were released in December, 2019. For more map layers from this series, search the Map Room for the terms 500 Cities.
Access to SNAP-Authorized Retailers – Rate
This layer displays the number and rate of SNAP-authorized retailers in each census tract. Locations of retailers are based on the December, 2021 USDA directory of SNAP-authorized retailers.
Per Capita Income, 2019
This layer displays per capita personal income by county. This measure of income is calculated as the total personal income of the residents of an area divided by the population of the area. Per capita personal income is often used as an indicator of consumers’ purchasing power and of the economic well-being of the residents…