#  Public Data Resources 

 



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**Local:** [Mass GIS](http://www.mass.gov/mgis) | [City of Boston](https://data.boston.gov/dataset?groups=geospatial) | [Metro Boston Data Common](http://www.metrobostondatacommon.org/)

**U.S. Federal Data:** [US Federal Government](http://www.data.gov) | [USGS National Map Viewer](http://viewer.nationalmap.gov/viewer/) | [USGS National Map Services](https://viewer.nationalmap.gov/services/) | [Building Footprints](https://github.com/Microsoft/USBuildingFootprints/) | [Daily P.M. 2.5 Air Pollution Data back to 2017](https://geomarker.io/appc) | [First Street Foundation Tract Level Climate Risk](https://aws.amazon.com/marketplace/seller-profile?id=b777a8d0-ad41-4190-b94a-27e18e87e17f%20%20%20) | [TEMPO ](https://tempo.si.edu/data_for_scientists.html)- Hourly Air Pollution Data back to June of 2023 | [MIT's Election Data Lab](https://electionlab.mit.edu/data) | [USDA Cropland Data](https://croplandcros.scinet.usda.gov/) | [USDA Crop Sequence](https://www.nass.usda.gov/Research_and_Science/Crop-Sequence-Boundaries/index.php%20) | [US EPA Environmental Justice - various datasets](https://dataverse.harvard.edu/dataverse/ejtools)

**Backups of U.S. Government Data:** [Harvard Library Innovation Lab Archive ](https://lil.law.harvard.edu/blog/2025/02/06/announcing-data-gov-archive/)

**Historic Maps:** [OldMapsOnline ](https://www.oldmapsonline.org/)| [David Rumsey Map Collection](https://www.davidrumsey.com/) | [US Library of Congress](https://www.loc.gov/maps/collections/) | [US Coast Survey's Historical Map & Chart Collection](https://www.historicalcharts.noaa.gov/)

**Global:**

- [Daymet V4 Climate and Daily Weather data](https://daymet.ornl.gov/)
- [Earthblox projected climate, land cover, and other nature scenarios](https://www.earthblox.io/) (not free)
- [Free GIS Data Sources](https://gisgeography.com/best-free-gis-data-sources-raster-vector/)
- [Facebook Data for Good](https://dataforgood.fb.com/)
- [HADEX Land Surface Cimate Extremes](https://www.metoffice.gov.uk/hadobs/hadex3/)
- [iNaturalist](https://www.inaturalist.org/observations) contains crowdsourced observations of plants and animal species, available for download with free subscription.
- [geoBoundaries](https://www.geoboundaries.org/index.html#getdata) country boundaries through time.
- [Global Administrative Data (GADM) ](https://gadm.org/data.html)downloadable by country.
- [GBIF—the Global Biodiversity Information Facility](https://www.gbif.org/)
- [Global Open Data for Agriculture and Nutrition](https://www.godan.info/)
- [Humanitarian Data Exchange](https://data.humdata.org/)
    - [Population density](https://data.humdata.org/dataset/united-states-high-resolution-population-density-maps-demographic-estimates) | [Relative Wealth Index](https://data.humdata.org/dataset/relative-wealth-index) | [Movement Range Maps](https://data.humdata.org/dataset/movement-range-maps)
    - [Social Connectedness Index](https://data.humdata.org/dataset/social-connectedness-index) | [Climate Change Opinion Survey](https://data.humdata.org/dataset/climate-change-opinion-survey) | [Future of Business Survey](https://data.humdata.org/dataset/future-of-business-survey-aggregated-data)
- [Natural Earth Data](https://www.naturalearthdata.com/)
- The [International Monitoring System](https://www.ctbto.org/specials/vdec/) includes seismic, hydroacoustic, infrasound and radionuclide data compiled on global scale.
- [Science Data Bank](https://www.scidb.cn/en)
- [Tableau Public Data](https://public.tableau.com/app/learn/sample-data)
- [US Geological Survey](https://www.usgs.gov/products/data-and-tools/gis-data)
- [Wikipedia GIS Data Resources](https://en.wikipedia.org/wiki/List_of_GIS_data_sources)

See also some curated lists of GIS data at these websites:

[**UPENN** Library Guide to GIS Data](http://guides.library.upenn.edu/globalgis)

[**Wikipedia** List of GIS Resources](https://en.wikipedia.org/wiki/List_of_GIS_data_sources)

[**Univ of Oregon** GIS Data](https://library.uoregon.edu/map/gis_data/index.html)

[**RT Wilson** Free GIS Data](http://freegisdata.rtwilson.com/)



 



 

 See also:- [ Data ](/research/data)
- [ Public resources ](/tags/public-resources)