2 Sep 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).

2 Sep 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, diabetes with lower-extremity amputation, chronic obstructive pulmonary disease, asthma, hypertension, heart failure, bacterial pneumonia, or urinary tract infection. Rates are presented per 100,000 beneficiaries.

2 Sep 2025

Low Food Access Population, 2019

This layer displays the percentage and total population with Limited Food Access across the US. A population is defined as having limited food access if they are living more than 1 mile from a supermarket or large grocery store if in an urban area, or more than 10 miles from a supermarket or large grocery store if in a rural area.

2 Sep 2025

Food Desert Census Tracts, Change 2015-2019

This layer displays the change in census tracts labeled as Food Deserts from 2015 to 2019. The Healthy Food Financing Initiative (HFFI) Working Group considers a food desert as a low-income census tract where a substantial number or share of residents has low access to a supermarket or large grocery store.

2 Sep 2025

Area Deprivation Index by Census Block Group

The 2019 Area Deprivation Index is now available! The ADI map displays rankings of neighborhoods by socioeconomic status disadvantage in a region of interest (e.g. at the state or national level). It includes factors for the theoretical domains of income, education, employment, and housing quality. It can be used to inform health delivery and policy, especially for the most disadvantaged neighborhood groups. The 2019 ADI was constructed using the 2015-2019 5-year estimates from the US Census’ American Community Survey.

2 Sep 2025

Change in Area Deprivation Index Scores (2015 to 2019) by Census Block Group

This map layer displays the change (+/-) in Area Deprivation Index (ADI) scores between the 2015 and 2019 datasets. The ADI is a rankings of neighborhoods by socioeconomic status disadvantage in a region of interest (e.g. at the state or national level). It includes factors for the theoretical domains of income, education, employment, and housing quality. It can be used to inform health delivery and policy, especially for the most disadvantaged neighborhood groups. The 2015 ADI (v2.0) was constructed using the 2011-2015 5-year estimates from the US Census’ American Community Survey (ACS); the 2019 ADI uses 2015-2019 5-year estimates from the ACS.