Delaware Data

This page serves as an aide to researchers. Below you will find some of the most common data used in base-mapping Delaware. Please note that these data may not be the most current data. Where possible, the responsible agency has been listed with a link to that agencies web site. If you are in need of the most current version of any of these data, please contact the responsible agency.

Administrative Boundaries

• State Outline (Delaware Office of State Planning Coordination)
• County Outline (Delaware Office of State Planning Coordination)
• Municipal Boundaries (Delaware Office of State Planning Coordination)

US Census

Basic US Census information for Delaware.

2010 US Census Shapefiles
• Tract
• Blockgroup
• Zip Code Tabulation Areas (ZCTA5)
• Block
• All US Census geographies may be downloaded from here.

2010 Census Data for Delaware
• Summary File 1 data.

Elevation and derived products

• Elevation contours from USGS
• National Elevation Dataset
• NGDC Coastal Relief Model
• Delaware Coastal LiDAR
  • 2-foot contours

Imagery, base maps, and land cover

• Statewide Orthophotography
• Delaware Aerial Data Distribution
• Delaware LULC 1984, 1992, 1997, 2002, 2007
• National Land Cover Dataset 1992, 2001 (USGS SDS)

Water

• NHD - HighRes GDB from NHD.gov
• DNREC Watersheds with Major and Minor Basins