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.
Air Quality – Ozone Levels (O3) by Census Tract, 2015
This layer displays the daily average concentration of ozone and the percentage of days with concentrations of ozone above the National Ambient Air Quality Standard (NAAQS) of 0.075 parts per million in 2015.
Adults with no Leisure-Time Physical Activity by County, 2019
This updated layer displays the estimated percentage of adults who do not participate in any leisure-time physical activity by county. These figures are multi-year modeled estimates based on survey data from the CDC Behavioral Risk Factor Surveillance System.
Predominant Religion
This layer displays the predominant religion in each county according to the Association of Religion Data Archives (ARDA). Adherents for each congregation were summarized according to broader categories with the category with the highest number of adherents displayed here. Categories include Evangelical Protestant, Mainline Protestant, Historically Black Protestant, Judaism, Orthodox, Latter Day Saints, Catholic, or…
Medically Underserved Areas and Populations
This layer displays the location and characteristics of Primary Care Health Professional Shortage Areas (HPSAs) and Medically Underserved Areas and Populations (MUA/Ps). The HPSA layers show data for three themes: Designated Populations, Designated Types, and Clinical Scores. The MUA/P layer shows data by Designated Type. Data are current as of April 28, 2025.
Annual Visit to Primary Care Physician, 2019
This layer displays the percent and total of Medicare enrollees having annual ambulatory visit to a primary care clinician in 2019 by county, state, or hospital service area (HSA).
Heart Disease Hospitalizations by County, 2018-20
This layer displays the rate hospitalization for patients with an initial hospital admission for coronary heart disease. Data are reported at the county level for the 2018-20 three-year period. Data are obtained from the Centers for Disease Control and Prevention (CDC) Interactive Atlas of Heart Disease and Stroke.
Infant Mortality Rate by County
This layer displays information about infant mortality. Total births and infant mortality rates are 5-year averages (2017-2021) acquired from the 2022-23 Health Resources and Services Administration (HRSA) Area Resource File (ARF).
Homicide Mortality for 2016-20 by County
This layer displays homicide mortality rates from the CDC’s National Vital Statistics System – Mortality database. Data are 5-year aggregates for 2016-20 and grouped by ICD-10 codes.
Chlamydia by County, 2022
This layer displays the total number and rate of chlamydia infections diagnosed during the year 2022. Data are from the Centers for Disease Control and Prevention (CDC) Sexually Transmitted Diseases Surveillance System (STDSS).