Average Time Spent in Emergency Department
This layer displays the median minutes spent in the Emergency Department before leaving at the hospital level.
Homeless Students Enrolled in Secondary Schools, SY 2021-22
This layer displays the rate and total count of homeless students enrolled in secondary or unified schools in SY 2021-22 for school districts (LEAs). Data is obtained from the Ed Data Express.
Heat Index – Average Days Above 95th Percentile
This updated dataset reports the total number of days in which an extreme heat event was above the 95th percentile between 2021-2023 at the county and Census tract levels. Data were obtained from the Centers for Disease Control and Prevention (CDC) Environmental Public Health Tracking Network (EPHTN).
Air Quality – Fine Particulate Matter (PM2.5) by Census Tract, 2019
This layer displays the daily average concentration of fine particulate matter and the percentage of days with concentrations of fine particulate matter above the National Ambient Air Quality Standard (NAAQS) of 35.0 micrograms per cubic meter in 2019.
Agricultural Operations Using Precision Ag
This layer displays the number of agricultural operations utilizing precision ag from the 2022 Census of Agriculture
Stroke Mortality for 2018-22 by County
This layer displays stroke mortality rates from the CDC’s National Vital Statistics System – Mortality database. Data are 5-year aggregates for 2018-22 and grouped by ICD-10 codes.
Cancer Mortality for 2014-18 by County
This layer displays cancer mortality rates from the CDC’s National Vital Statistics System – Mortality database. Data are 5-year aggregates for 2014-18 and grouped by ICD-10 codes.
Community Supported Agriculture (CSA) Sites
Layer displays the location of Community Supported Agriculture (CSA) Sites across the US. Data was obtained from the USDA Local Food Directories on July 12, 2025.
Alcohol Use Disorders Among Medicare Beneficiaries by County, 2018
This layer displays the percentage of Medicare Beneficiaries with an alcohol use disorder. The prevalence of alcohol use disorder among Medicare beneficiaries is based on Medicare insurance claims (for specific inpatient diagnosis or procedure codes) in 2018.
Data from the 2024 County Health Rankings are here!
Data and maps from the 2024 County Health Rankings are now available! Click the map icon to view the national z-scores and underlying data for Premature Death, or search for additional updates by searching the Map Room for the term “CHR 2024”.