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#1 Federal
Select Population Infrastructure Attributes: Housing Density 1940-2010
- Organization: Department of the Interior
- Dataset Last Updated: March 26, 2026 at 12:00 AM
This tabular data set contains information on historic housing densities for every 10 years from 1940-2010, compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for...
- xml
- xml
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 05:50 AM
#2 Federal
Old vs. new urban: U.S. national mapping of the year of “first development” for urban areas, from 1940-2010.
- Organization: Department of the Interior
- Dataset Last Updated: August 05, 2022 at 12:00 AM
This product is a 100-meter resolution raster which classifies urban lands in the conterminous United States by the year in which they were “first developed.” The classification is based on...
- xml
- xml
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 03:32 AM

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