Adams County GIS. Geospatial datasets are publicly available via a FTP site access link, which is found on the Adams County, IL website GIS Department page linked he...
Allegan County GIS Data Library
Allegan County Land Information Services. The GIS Data Library page on the Allegan County, Michigan website provides links for zipped shapefile downloads. Common resource topics are covered...
Allegheny County GIS Open Data
ArcGIS HUB Open Data Portal for Allegheny County, Pennsylvania.
Allen County GIS Data Download Page
County website containing downloadable shapefiles for property information, transportation features, soils, topography, and districts. It also cont...
Information Technology, GIS Group. County maps and GIS data for Anne Arundel County. Several County Departments have collaborated to provide maps and GIS data for citizens and busine...
Anoka County GIS Data Downloads
Transportation Division, GIS Department. The Anoka County, Minnesota website GIS page provides an FTP service link for geospatial data download access. Geospatial datasets are available fo...
ArcGIS REST Services Directory for Ashtabula County, Ohio
ArcGIS REST site referencing layers for all common data types and more. Also contains aerial photography from 1938, 2006-2017 (4yrs). Contains refe...
ArcGIS REST Services Directory for Butler County Auditor, Ohio
ArcGIS REST site with references to parcels, hydrology, soils, boundaries, other basemap features, and more. Also contains aerial photography from ...
ArcGIS REST Services Directory for Fulton County Auditor, Ohio
ArcGIS REST site referencing layers for all common data types and more. Elevation contours from 2014. 2016 aerial photography referenced.
ArcGIS REST Services Directory for Henry County, Ohio
ArcGIS REST site referencing layers for all common data types and more.
ArcGIS REST Services Directory for Lucas County, Ohio
ArcGIS REST site referencing layers for parcels, boundaries, transportation, hydrology, utilities, and more. Also contains references to elevation ...
ArcGIS REST Services Directory for Marion County, Ohio
ArcGIS REST site referencing layers for parcels, boundaries, transportation, hydrology, utilities, and more. Also contains references to aerial pho...
ArcGIS REST Services Directory for Wood County, Ohio
ArcGIS REST site referencing layers for parcels, addresses, transportation, hydrology, geology, elevation, boundaries, and more. Also references ae...
ArcGIS open data portal for the Athens County, OH auditor containing datasets and parcel viewers.
Auditor's Office Downloads for Mercer County, Ohio
Mercer County Auditor's Office. Website containing downloadable shapefiles for parcels and transportation. Also contains aerial photography from 2015.
Auglaize County, Ohio GIS Open Data Downloads
County website containing downloadable shapefiles for parcels, districts, and a benchmarks, as well as web services for aerial imagery.
Baltimore County Open Data Portal
Information Technology, Business Applications, GIS Team. ArcGIS Open Data Portal for Baltimore County, Maryland.
Becker County GIS Data Downloads
Information Technology, GIS Services. The Becker County, Minnesota website GIS & Parcel Data Downloads page provides access links for geospatial data downloads. Geospatial datasets are ...
Benton County GIS Data Downloads
GIS/Mapping Department. The Benton County, Minnesota website GIS/Mapping downloads page provides access links for geospatial data downloads. Geospatial datasets available ...
Assessor's Office. The Big Stone County, Minnesota website provides a link to their ArcGIS Open Data Portal. At this time only a geospatial parcels dataset is availab...
Calvert County GIS, Historic Maps, Topos
Open geospatial data collection published by Calvert County, Maryland.
Calvert County Open GIS Data Portal
Technology Services Enterprise GIS. ArcGIS Open Data Portal for Calvert County, Maryland.
Carlton County GIS. The Carlton County, Minnesota website provides a link to their ArcGIS Open Data Portal. The portal is under development as of April, 2019. At this ...
Carroll County GIS Data Download
Enterprise GIS Division. The Carroll County, Maryland website Enterprise GIS Division page has tiled aerial photography (2000 & 2006) and elevation contours (2015, 2-foot) ...
Enterprise GIS Division. Carroll County Government's GIS Open Data site for exploring thematic topics covered and downloading GIS datasets. Datasets available include addr...
ArcGIS open data portal for Carver County, MN containing datasets and applications.
Cass County GIS Downloadable Files
Cass County GIS. Geospatial datasets are publicly available on the Cass County, Iowa website GIS Department page linked here. The page provides links for zipped dow...
ArcGIS open data portal for Centre County, PA. Also contains information about departments and initiatives.
ArcGIS HUB Open Data Portal for Chester County, Pennsylvania.
Chisago County GIS Data Downloads
Information Technology, GIS Office. The Chisago County, Minnesota website GIS Office page provides an access link to geospatial data downloads via their interactive mapping applicatio...
Clay County GIS. The Clay County, Minnesota website GIS Department page provides a link to their ArcGIS Open Data Portal. Commonly available geospatial datasets inc...
Clearwater County GIS Data Downloads
Information Technology, MIS-GIS. The Management Information Services and Information Technology departments provide content for the GIS Mapping/E911 page on the Clearwater County, ...
Clinton County, Ohio, Geographic Information Systems
County website with links to aerial photography, transportation, census, elevation, and more. Download pages are in the process of being migrated t...
Open geospatial data collection published by Cook County, Illinois.
Socrata open data catalog for Cook County, IL.
ArcGIS open data portal for Crawford County, PA. Contains datasets and applications.
ArcGIS open data portal for Cuyahoga County, OH containing datasets and many other informational links.
Dallas County GIS. Geospatial datasets are publicly available on the Dallas County, Iowa website GIS Division page linked here. The page provides links for zipped sha...
Data Downloads for Coshocton County, Ohio
County website containing downloadable shapefiles for parcels, centerlines, addresses, boundaries, and school districts.
Data Downloads FTP (Google Drive) for Ottawa County, Ohio
Ottawa County Engineer's and Auditor's Offices. FTP Google Drive containing downloadable shapefiles, geodatabases for parcels, addresses, transportation, boundaries, schools hydrology, geology, a...
County website with downloadable shapefiles for addresses, boundaries, transportation, features, hydrology, parcels, parks, districts, soils, and m...
Data/Downloads for Belmont County, Ohio
County website containing downloadable shapefiles for boundaries, hydrology, addresses, parcels, centerlines, buildings, elevation, and districts.
Dauphin County GIS Data Portal
ArcGIS open data portal for Dauphin County, PA containing datasets and applications.
Plain text webpage for Defiance County, OH containing links to aerial photography, parcel information, and other downloads.
Webpage for Delaware County, OH containing links to drainage and stream dataset downloads.
Douglas County Public Works Open Data
Open geospatial data collection published by Douglas County, Minnesota.
Download GIS Data for Clermont County, Ohio
County website containing downloadable shapefiles for addresses, elevation, boundaries, parks, transportation, districts, hydrology, and zoning, an...
Downloadable Files to Download from Knox County, Ohio
Knox County GIS Dept. Website containing downloadable shapefiles for parcels, addresses, transportation, boundaries, hydrology, zoning, and more.
Downloadable Maps and Data for Hocking County, Ohio
Hocking County Mapping and Drafting Department. Website containing downloadable shapefiles for parcels, addresses, transportation, boundaries, schools hydrology, geology, and more. Also contains ...
Downloads for Crawford County, Ohio
County website containing downloadable CAD and shapefiles for parcels, addresses, transportation, PLSS, soils, districts, hydrology, elevation, and...
