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Federal
Walkability Index
U.S. Environmental Protection Agency —
The Walkability Index dataset characterizes every Census 2019 block group in the U.S. based on its relative walkability. Walkability depends upon characteristics of... -
Zoning Boundaries (Zoning Regulations of 2016)
District of Columbia —
District of Columbia zoning map polygons established under the Zoning Regulations of 2016 (ZR16). ZR16 superseded the Zoning Regulations of 1958 (ZR58), effective... -
Federal
TIGER/Line Shapefile, Current, Nation, U.S., State and Equivalent Entities
U.S. Census Bureau, Department of Commerce —
This resource is a member of a series. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information... -
Federal
TIGER/Line Shapefile, 2022, Nation, U.S., 2020 Census 5-Digit ZIP Code Tabulation Area (ZCTA5)
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
University
National Park Boundaries
Earth Data Analysis Center, University of New Mexico —
National Park Service unit boundaries. -
Federal
NPL Superfund Site Boundaries (EPA)
U.S. Environmental Protection Agency —
This GIS dataset contains polygons depicting U.S. EPA Superfund Site boundaries. Site boundaries are polygons representing the footprint of a whole site, defined for... -
Federal
Military Installations, Ranges, and Training Areas NGDA
Department of Defense —
This dataset, released by DoD, contains geographic information for major installations, ranges, and training areas in the United States and its territories. This... -
Federal
TIGER/Line Shapefile, Current, Nation, U.S., County and Equivalent Entities
U.S. Census Bureau, Department of Commerce —
This resource is a member of a series. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information... -
Federal
TIGER/Line Shapefile, 2019, nation, U.S., Current County and Equivalent National Shapefile
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
County
Allegheny County Tax Liens (Filings, Satisfactions, and Current Status)
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
Tax liens are a method the government uses to secure an interest in unpaid tax debt. This dataset represents information about county, municipal, school district,... -
County
Redlining Maps from the Home Owners Loan Corporation, 1937
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
Most of the text in this description originally appeared on the Mapping Inequality Website. Robert K. Nelson, LaDale Winling, Richard Marciano, Nathan Connolly, et... -
Federal
TIGER/Line Shapefile, 2020, Nation, U.S., American Indian Tribal Subdivisions
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
Federal
TIGER/Line Shapefile, 2020, Nation, U.S., 2020 Census Urban Area
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
State
California Fire Perimeters (all)
State of California —
The California Department of Forestry and Fire Protection's Fire and Resource Assessment Program (FRAP) annually maintains and distributes an historical wildland fire... -
Federal
National Bridge Inventory
Federal Geographic Data Committee —
The National Bridge Inventory dataset is as of June 20, 2025 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of Transportation... -
Federal
TIGER/Line Shapefile, Current, State, Ohio, County Subdivision
U.S. Census Bureau, Department of Commerce —
This resource is a member of a series. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information... -
Federal
TIGER/Line Shapefile, 2019, nation, U.S., Coastline National Shapefile
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
Federal
TIGER/Line Shapefile, Current, State, Florida, County Subdivision
U.S. Census Bureau, Department of Commerce —
This resource is a member of a series. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information... -
Federal
Yellowstone National Park Tract and Boundary Data
Department of the Interior —
These ESRI shape files are of National Park Service tract and boundary data that was created by the Land Resources Division. Tracts are numbered and created by the...