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Dasymetric US Census Tracts

Published by FEMA/Response and Recovery/Response Directorate | Department of Homeland Security | Catalog Last Checked: May 06, 2026 at 11:14 AM | Dataset Last Updated: June 01, 2025 at 09:22 PM
A binary dasymetric analysis, using National Land Cover Databases (NLCD) as an auxiliary, is applied to US Census Tracts. American Community Survey (ACS) Demographic data is often joined and used to generate impacted population with a hazard/AOI.

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