MAPdataUSA Layers
The following is a list of the data layers included in the MAPdataUSA 3.0 data set. Note: Not all layers may be present for all counties.
Boundary (Area) Features
- Alaskan Native Regional Corporations
- American Indian Tribal Subdivisions (2000 & 2004)
- American Indian/Alaska Native/Hawaiian Homeland Areas (2000 & 2004)
- Block Groups (2000 & 2004)
- Census Blocks (2000 & 2004)
- Census Tracts (2000 & 2004)
- Congressional Districts (106th)
- Congressional Districts (108th)
- Consolidated Metropolitan Statistical Areas
- Correction Count Polygons
- County Boundaries (2000 & 2004)
- County Subdivisions (2000 & 2004)
- Designated Places (2000 & 2004)
- Economic Census Combined Statistical Areas
- Economic Census Commercial Regions
- Economic Census Counties
- Economic Census Places
- Landmark Polygons
- Metropolitan and Micropolitan Statistical Areas
- Metropolitan Divisions
- New England City and Town Areas
- New England City and Town Areas (combined)
- New England County Metropolitan Areas
- Oregon Urban Growth Area
- Primary Metropolitan Statistical Areas
- Public Use Microdata Areas - 1% sample
- Public Use Microdata Areas - 5% sample
- School Districts – Elementary (2000 & 2004)
- School Districts – Secondary (2000 & 2004)
- School Districts – Unified (2000 & 2004)
- State Legislative District Lower Chamber
- State Legislative District Upper Chamber
- Subbarrios (2000 & 2004)
- Traffic Analysis Zones
- Urban Areas
- Voting Districts (2000)
- Water Polygons
- ZIP Code Tabulation Areas (3-digit & 5-digit) (2000 & 2004)
Linear Features
- Hydrography (water lines such as rivers and canals etc.)
- Landmarks Lines
- Miscellaneous Transportation
- Non-visible Lines
- Physical Features
- Railways
- Roads
- Unknown Lines
Polylined (joined) Linear Features
- Roads
- Linear hydrographic features (rivers, canals etc.)
Point Features
- Landmark points
- TIGER polygon centroids
Bonus Boundary (Area) Features
- 108th and 109th Congressional districts (all US)
- County boundries by state
- ZIP code tabulation areas by state
Addtional Database-only Files
- Additional address matching information for roads
- Alternative feature names for roads
- Polygons which correspond to multiple landmarks
- ZIP+4 left and right information for roads
