Homicide Mortality by County and Census Tract, 2023-24

This layer displays timely information on the estimated homicide mortality rate for counties and census tracts using provisional and final death data. Some census tracts are grouped to protect data privacy. Rates are modeled for areas with greater than 0 but fewer than 10 deaths in the report period.

New Data! Visit the Map Room to access data for seven new map layers from the CDC’s BRFSS Places!

New data include prevalence estimates for adult with any disability including vision, hearing, self-care, mobility, cognitive, and independent living. Estimates from the PLACES Project are available at the county, city, ZIP Code, and census tract levels for nearly every community in the United States. For more map layers from this series, search the Map Room for the terms BRFSS PLACES.

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 2020-2022 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).

Avian Flu Outbreaks

This layer displays the number of outbreaks of avian flu and the affected flock size by county since 2022. Data is updated weekly.

Maximum Temperature – Average Days Above 95 Degrees

This updated dataset reports the total number of days in which an extreme heat event was above 95 degrees between 2020-2022 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).

Fatal Motor Vehicle Crashes by County, 2018-2022

This layer displays the number and rate of fatalities from motor vehicle crashes occurring between 2018 and 2022, aggregated by county. Unlike typical mortality data, this data layer represents the location of the fatal crash, and not the county of the decedent’s residence.