Geospatial Data
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- Geospatial Data Files
- City and County Codes
- Map Products
- GIS Publications
- Other Sources of Washington Geospatial Data
Geospatial Data Files
| Census TIGER/Line File Extracts |
|---|
| 2007 (1st Release) |
| 2000 Census |
| 1990 Census |
| Small Area Estimate Program |
| Population and Housing Estimates: 2000 to 2007 |
SPATIAL REFERENCE INFORMATION: OFM's standard projection and datum for geospatial data layers is State Plane Washington South Zone, NAD 83 HARN in units of US feet, unless otherwise noted.
City and County Codes
- City and County Codes - Excel
Map Products
- Census 2000 Block Groups / Tracts
- Minority Graphics
- Population Density
- Public Use Microdata Areas (PUMA) - 1 percent
- Public Use Microdata Areas (PUMA) - 5 percent
- Washington State Legislative Districts
GIS Publications
- Developing Postal Delivery Data for Use in Population Estimates (Research Brief 17) - PDF
- Use of Postal Delivery Data in the Population Estimate Process (Research Brief 18) - PDF
- Using a Geographic Information System in a Population Estimate Program: The Pasco Case (Research Brief 21) - PDF
Other Sources of Washington Geospatial Data
- Department of Ecology
- Department of Health
- Department of Natural Resources
- Department of Revenue
- Department of Transportation
- Washington State Geographic Information Council
Last modified: May 30, 2008
E-mail: OFM.Forecasting@ofm.wa.gov
