Watershed Boundary Dataset, 4-Digit Hydrologic Units

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The 4-Digit Hydrologic Units, a component of the Watershed Boundary Dataset (WBD), depict the second level hydrologic subdivision of the United States. A 4-digit hydrologic unit includes the area drained by a river system, a reach of a river and … Continued

Area Deprivation Index by Census Block Group

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The 2020 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, … Continued

Watershed Boundary Dataset, 10-Digit Hydrologic Units

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The 10-Digit Hydrologic Units, a component of the Watershed Boundary Dataset (WBD), depict the fifth level hydrologic subdivision of the United States. A hydrologic unit can accept surface water from upstream drainage areas and may define a drainage area with … Continued

Child Mortality Rate by County, 2018-2021

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This layer displays the number and rate of deaths among children under age 19 per 100,000 population. Indicator data are from the National Vital Statistics System (NVSS) Compressed Mortality File (CMF).

National Hydrography Dataset (NHD) Flowline

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The National Hydrography Dataset (NHD) is used to portray surface water. The NHD represents the drainage network with features such as rivers, streams, canals, lakes, ponds, coastline, etc. The principal components of the NHD are: NHDFlowline: This is the fundamental … Continued

Food Insecurity Rate by County, 2020

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Layer displays updated food insecurity rates for US counties. Food insecurity refers to USDA’s measure of lack of access, at times, to enough food for an active, healthy life for all household members and limited or uncertain availability of nutritionally … Continued

Historically Black Protestants

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This layer displays the number of Historically Black Protestants adherents using data from the Association of Religious Data Archives (ARDA).