Park Access by Census Tract and County

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This updated dataset reports the number and percentage of people within a buffer of ½ mile radius of a park at the census tract level. Data were obtained from the Centers for Disease Control and Prevention (CDC) Environmental Public Health Tracking Network (EPHTN). Park boundaries used in the CDC analysis are from Esri StreetMap Premium/HERE, 2016, and the 2015 PAD-US.

Park Access – Census Tracts

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Layer displays percent and total population living within 0.5 miles of a park boundary. Data is available by US census tract.

Substance Abuse Treatment Facilities

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Layer displays the locations of substance abuse treatment facilities across the United States. Data are from the Substance Abuse and Mental Health Services Administration (SAMHSA) facility locator, accessed January 2014.

Locations of Primary Care Physicians

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This layer displays the locations of all primary care physicians who accept Medicare. Primary care physicians are those MDs or DOs specializing in family practice, general practice, pediatric medicine, or internal medicine. Data are from the Centers for Medicare and Medicaid Services (CMS) Physician and Other Supplier 2012 Public Use File (PUF), which was released in April 2014, and from the 2013 CMS Physician Compare National Downloadable File.