9 Oct 2025

Digital Divide Index

The Digital Divide Index or DDI ranges in value from 0 to 100, where 100 indicates the highest digital divide. It is composed of two scores, also ranging from 0 to 100: the infrastructure/adoption (INFA) score and

9 Oct 2025

Ookla Internet Speed Test

This layer displays the median download speed for a county or tract as measured by the Ookla speed test, available at speedtest.net . Data was aggregated from January-June, 2020. Data was accessed via the National Telecommunications and Information Administration (NTIA).

9 Oct 2025

Preventable Hospitalization by County, 2019

This layer displays the total number and rate of preventable hospitalization events among Medicare beneficiaries. Preventable hospitalizations include hospital admissions for one or more of the following conditions: diabetes with short-term complications, diabetes with long-term complications, uncontrolled diabetes without complications, … Continued

9 Oct 2025

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 2017-2019 at the county level. Data were obtained from the Centers for Disease Control and Prevention (CDC) Environmental Public … Continued

9 Oct 2025

Influenza Vaccination Rate by County

This layer displays immunization rates for seasonal influenza among adults aged 18 and older. Data are from the Centers for Disease Control and Prevention (CDC) FluVaxView data portal. The county-level estimates within FluVaxView are derived from responses to the 2018 … Continued

9 Oct 2025

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 2017-2019 at the county level. Data were obtained from the Centers for Disease Control and Prevention (CDC) Environmental Public … Continued