GIS Data - US - GIS (Geographic Information Systems), Geospatial Data - Research Guides at Syracuse University Libraries

Maps - US

Links to general, historical and topographic maps and other raster maps as well as interactive atlases.

USGS TopoView
View, select and download current and historical USGS topographic maps at a number of different scales.
USGS Store
Download the following series of USGS topographic maps for free.
24k : 100k : 250k scales are available
more...less...
TIP: These maps are in a GeoPDF format and will not display in ArcGIS software. Convert these images to a GeoTIFF using Acrobat PRO or Photoshop.
US National Map Viewer
Another URL to download USGS topographic maps for FREE!
more...less...
TIP: These maps are in a GeoPDF format and will not display in ArcGIS software. Convert these images to a GeoTIFF using Acrobat PRO or Photoshop.
USGS Historical Topographic Map Explorer
Search and display all historical topos maps in all scales and download those maps as GeoPDF files.
US Fish & Wildlife - National Wetland Maps
USGS Geologic map Database
Search for Geologic maps at the National, State, and Quad level
NOAA Nautical charts
View charts through the "View NOAA Charts" link on the right-hand side of the page
NOAA - Weather Prediction Center
Links to current and historical (2002-date) daily weather maps and other current weather data and maps. Also some GIS data sets are available to download.
NOAA Response & Restoration site
Many different sources of information and data relating to the Gulf oil spill.
NOAA National Hurricane Center
See where the latest Hurricanes are and links to more info.
Wildfire map
Interactive map with real-time updates to wildfires and other disasters in the US.
SkyVector Aeronautical charts
See detailed airport diagrams, sectional and regional charts.
National Cancer Institute - GIS
GIS related data and maps
County Health Rankings
Energy - USEIA
data and maps on all types of energy generation and consumption
DRA 2020
Maps of congressional, and state district boundaries for every State.

WMS links for use with Esri ArcGIS or Google Earth

The following links will provide instructions on how to connect to that Agency's Web Mapping Service while using Esri's ArcGIS software or for Google Earth.

FEMA
ArcGIS
USGS - National Map Viewer
ArcGIS: Instructions on how to add WMS services to the National Map Viewer.
USGS - Mineral resources
ArcGIS: From various departments in the Agency as well as from State Geological Agencies
TIGERweb - CENSUS
ArcGIS: A set of web-based Geography Division applications and services that allow users to view and query boundaries
//tigerweb.geo.census.gov/ArcGIS/services/tigerWMS/MapServer/WMSServer
USDA
ArcGIS: Soil data links
Wetlands WMS - U.S. Fish & Wildlife
ArcGIS
FEMA
Google Earth (KML)
US Fish & Wildlife
Google Earth (KML)
GeoSeer
Search for web mapping services and layers.

GIS Data - Nation-wide GIS Clearinghouses

Sources for national and international geospatial data

Census Data website
This site is optimized for use with the Chrome browser.
Newest version for finding US Census data. This is the replacement for American Factfinder.
US Census
A large selection of vector map files and demographic data files
GeoPlatform
A cross-agency collaborative effort with a primary role which is to discover geospatial data assets with special emphasis as the authorized source for all the official National Geospatial Data Assets (NGDAs) across 18 Data themes.
ArcGIS Hub
The ArcGIS Hub site has been created by Esri to provide federally focused data of interest. There are hundreds of layers of authoritative data available for easy downloading.
NHGIS
National Historical Geographic Information System
SABINS
Education data and GIS files. From the same people that created the NHGIS site.
Data.gov
Geo data can be found under the Data tab
Main link to EROS Data Center
Land cover, elevation, air photos, satellite imagery can be found here.
Link to USGS's Earth Explorer
US County Boundaries 1783-2000
Vector files for US counties from 1783-2000 from the Newberry Library.
CDC - GIS data sets and links
links to CDC data resources and links for use in a GIS.
CDC - Epi Map tool
Epi Map module displays geographic maps with data from Epi Info
EPA - Envirofacts
Find general environmental information about a specific company or place.
EPA - Watershed maps
Search for data and maps about watershed and their sub-areas
FEMA Mapping Information Platform
A map viewer for FEMA flood Zone maps
FEMA Map Service
Locate and download FEMA maps for any community in the US
Historical US Climate Data

National Centers for Environmental Information
Weather related data sets

NOAA - United States Interagency Elevation Inventory
Download lidar, elevation and bathymetric data from USGS, NOAA and FEMA
NOAA - Historical Global Climate Data (GHCN)
From NOAA
NOAA - Geophysical Data Center
Vector data sets
NOAA - National Ocean Service Data Explorer
Interactive map for digital nautical charts
USDA Geospatial Data Gateway
A one stop source for environmental and natural resources data. Allows you to choose your area of interest, browse and select data from the catalog, customize the format, and then download your data set.
US DOT - National Transportation Atlas Database
GIS data lines, points and polygons for transportation networks across the US.

Soil Surveys
Interactive mapping tool that also allows downloading of maps in .SHP file format for use in ArcGIS.

Crop Scape
Crop cover mapping tool from George Mason University that covers the entire U.S.
USGS - National Water Information System
Data on streams, watersheds, etc.
HUD data Portal
General data and geospatial data sets and applications for data produced by HUD.
Big Ten Academic Alliance Geoportal
provides discoverability and facilitates access to geospatial resources with offering GIS datasets, web services, and digitized historical maps.
Open Topography
Provides access to high-resolution LIDAR and topography data. There are a few non-US data files but the vast majority are US based data files.
GNIS
Search for place names and features in the United States
COVID-19 GIS Hub
Maps, data applications and news on the coronavirus from Esri.
Esri Coronavirus GIS site
Information, news and geospatial maps and data for the COVID-19.

GIS (Geographic Information Systems), Geospatial Data: GIS Data - US

Maps - US

WMS links for use with Esri ArcGIS or Google Earth

GIS Data - Nation-wide GIS Clearinghouses