HIV Prevalence by County, 2021

This layer displays the total number and rate of persons living with HIV infection or stage 3 HIV (AIDS) during the year 2021. Data are from the Centers for Disease Control and Prevention (CDC) Sexually Transmitted Diseases Surveillance System (STDSS).

Community Water System Fluoridation

This layer displays fluoridation data generated from the Water Fluoridation Reporting System (WFRS) as reported to the CDC. State level statistics include data from the biennial report originally published at https://www.cdc.gov/fluoridation/php/statistics/. State and county data include percentage of people, number … Continued

Drought Intensity, U.S. Drought Monitor

This layer displays areas that experienced dry or drought conditions in the last seven days. Data are retrieved as shapefiles from the U.S. Drought Monitor and are updated on a weekly basis. The affected areas are represented by polygons, which … Continued

National Land Cover Dataset, 2024

The National Land Cover Database (NLCD) serves as the definitive Landsat-based, 30-meter resolution, land cover database for the Nation. NLCD provides spatial reference and descriptive data for characteristics of the land surface such as thematic class (for example, urban, agriculture, … Continued

Threatened and Endangered Species by County

This layer displays the number of threatened and endangered species in each county. Additional layers are available for the type of species, such as plants, animals, invertebrates, and more!

Tax Returns Claiming Earned Income Tax Credits

This layer displays information about tax credits and tax deductions claimed by tax filers. Information is available for all ZIP codes and counties where 10 or more total tax returns were filed. Eligible tax payers may receive between $1 and … Continued

FEMA National Risk Index, 2023

This layer displays the FEMA National Risk Index score, rating and national and state percentiles for each county and Census tract. These are measures of risks U.S. communities are exposed to for 18 natural hazards. Data was obtained from the … Continued