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21,208 datasets

City of Alexandria - GIS Portal

Buildings 3D

A polygon feature representing detailed building footprints providing a detailed footprint for each building in the City over 100 square feet in size. Footprints are segmented along breaks in rooftop elevations if…

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Updated Nov 2, 2026

City of Alexandria - GIS Portal

Miscellaneous Buildings

A polygon feature representing miscellaneous building footprints over 100 square feet in size Provides the location, functional uses, and size in square feet for miscellaneous buildings and include: building canopy,…

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Updated Nov 2, 2026

City of Alexandria - GIS Portal

Alexandria Parcels

Parcels is a polygon feature class containing land parcels, condo master cards and condos within the City of Alexandria boundaries. The attribute data contained within the parcel polygon layer originates and is…

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Updated Nov 2, 2026

City of Alexandria - GIS Portal

City Master Plans - Small Areas

Small Area plan polygons as determined by the planning department of the City of Alexandria. Small Area Plans are the 18 geographic planning areas within the City that together create the City Master Plan. These master…

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Updated Nov 2, 2026

City of Alexandria - GIS Portal

City Master Plans - Overlays

Overlays polygons as determined by the planning department of the City of Alexandria. Small Area Plans are the 18 geographic planning areas within the City that together create the City Master Plan. These master plans…

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Updated Nov 2, 2026

Loudoun County

Cemeteries and Burial Grounds of Loudoun

This application provides information about the cemeteries through pop-ups and information tabs. The pop-up provides attributes on name of cemetery, date, status, earliest and latest burials, and added notes. This data…

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Updated Oct 10, 2026

Hampton Roads PDC & Hampton Roads TPO

SLR 3 ft above MHHW

This layer group contains raster versions of sea level rise planning scenarios for Hampton Roads, Virginia. The scenarios are based on the Hampton Roads Planning District Commission's (HRPDC) Sea Level Rise Planning…

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Updated Nov 6, 2026

Hampton Roads PDC & Hampton Roads TPO

Hampton Roads Sea Level Rise Planning Scenarios (Raster)

This layer group contains raster versions of sea level rise planning scenarios for Hampton Roads, Virginia. The scenarios are based on the Hampton Roads Planning District Commission's (HRPDC) Sea Level Rise Planning…

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Updated Nov 6, 2026

Hampton Roads PDC & Hampton Roads TPO

SLR 1 5 ft above MHHW

This layer group contains raster versions of sea level rise planning scenarios for Hampton Roads, Virginia. The scenarios are based on the Hampton Roads Planning District Commission's (HRPDC) Sea Level Rise Planning…

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  • ArcGIS
  • CSV
  • ZIP
  • GeoJSON

Updated Nov 6, 2026

Hampton Roads PDC & Hampton Roads TPO

SLR 4 5 ft above MHHW

This layer group contains raster versions of sea level rise planning scenarios for Hampton Roads, Virginia. The scenarios are based on the Hampton Roads Planning District Commission's (HRPDC) Sea Level Rise Planning…

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  • ZIP
  • GeoJSON

Updated Nov 6, 2026

Datathon 2025

2020 Census Urban Areas

The US Census designates certain blocks as urban based on certain criteria (found here ). This layer includes polygons that represent all of the census blocks that were designated as urban as of 2020.

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Updated Oct 17, 2026

Loudoun County

Unpaved Roads of Loudoun County

This application uses surface type data to illustrate the extensive network of unpaved roads in Loudoun County, Virginia.

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Updated Oct 10, 2026

Hampton Roads PDC & Hampton Roads TPO

Hampton Roads Higher Education Schools

This layer contains schools of higher education in Hampton Roads, Virginia. Included are colleges, universities, professional, technical, and trade schools (except for barber/hair and cosmetology schools). Last update:…

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Updated Nov 6, 2026

Prince William County

Woodbridge District Map

Map showing Woodbridge magisterial district boundary and voting locations. Recommended print size: 34" X 44".

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Updated Oct 11, 2026

Other

National Performance Measures - Datathon23

Fifteen National Performance Measures (NPMs) across five population health domains were established for the Title V MCH Services Block Grant program. Based on its identified priority needs, States select a minimum of…

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Updated Mar 25, 2026

Other

Maternal & Child Health Map - Datathon23

The Maternal and Infant Health Mapping (MIHM) Tool is an interactive online tool that allows users to create and customize county-level maps on maternal and infant health. Users can explore the geographic relationships…

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Updated Mar 25, 2026

Prototype by Datopian · not an official government website · data from data.virginia.gov