Looking for free and downloadable GIS data for the United States? Listed here are sources of free and downloadable data by state. Got a GIS data resource? Fill out the information on the contact page or send an email to firstname.lastname@example.org.
Nationwide GIS Data and Maps
Data.gov is the GIS data depository for U.S. government data with over 272,000 datasets and growing. The site also has an Apps Showcase, highlighting different sites that are using data from Data.gov.
US Level GIS Data
Forest GIS Data
The density of density of biomass among US Forests has been mapped out by Josef Kellndorfer and Wayne Walker of the Woods Hole Research Center (WHRC) who worked with the USGS and the US Forest Service (more about the project here). GIS data set for this forest map is available for free from the Woods Hole Research Center by visiting National Biomass and Carbon Dataset (NBCD). Access can be requested to the data by supply ones name, email, and affiliation.
State by State – GIS Resources Within the United States
The Big List of free and downloadable GIS Data and Map Sources for the United States by State. Also listed are GIS resources such as GIS user groups where available.
GeoPortal for the State of California
State of California has a new GeoPortal web site for access to geospatial data resources.
Links and FTP sites for all Florida Counties and Florida agencies up to date on their GIS Data.
- Florida Geographic Data Library
GIS datasets and digital imagery available for downloading.
- Volusia County Datasets
Download files for Volusia County in ArcInfo export (.e00), .dxf or ArcView Shapefiles.
Florida GIS User Groups
- Florida ESRI Users Group (FEUG)
The Florida ESRI Users Group (FEUG) was formed to promote understanding, exchange ideas, and help solve problems in the GIS community, specifically for ESRI software users. The group consists of nearly 600 members comprised of all levels of users and in all industries. Members of FEUG enjoy the opportunity to improve their GIS skills through networking, presentations, and roundtable discussion opportunities. Membership is free.
Kentucky GIS User Groups
- Kentucky Association of Mapping Professionals
The Kentucky Association of Mapping Professionals (KAMP) promotes networking with professionals involved in mapping and geospatial technologies and the opportunity for them to exchange ideas and experiences; address common problems and concerns; obtain advice; participate in specialized training and education; and gain recognition as qualified and competent mapping professionals.
New York GIS User Groups
GISMO is New York Metropolitan Area’s largest GIS users group, with over 400 members from city, state and federal agencies, non-profit organizations and the private sector. GISMO meetings are held every six weeks at the Fund for the City of New York, 121 Sixth Avenue, Sixth Floor.
- New York City
New York City Arc user group. Support group for users of ESRI products.
Virgin Islands of the U.S.