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Datasets (13,053)
Imagery (605)
Web services (13,743)
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Index Maps (3)
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Point data (14)
Polygon data (453)
Raster data (70)
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Vector data (12,771)
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Allegheny County GIS Open Data (41)
American Panorama (206)
Ashland County, WI GIS Open Data Portal (9)
Athens Conservancy GIS Center (53)
Athens County GIS Data (11)
Baltimore County Open Data Portal (185)
Benton County GIS Data Downloads (5)
Big Stone County Open Data (12)
Big Ten Academic Alliance Geospatial Information Network (5)
CMAP (Chicago Metropolitan Agency for Planning) Data Hub (51)
Calvert County Open GIS Data Portal (16)
Capital Area Open Data Portal (5)
Carroll County GIS Open Data (29)
Carver County GIS Data (42)
Centre County Open Data (82)
Chester County GIS Data (52)
Chippewa County Open GIS Data (6)
City of Bloomington, Indiana Open Data Portal (25)
City of Grand Island Public GIS Data Portal (31)
City of Madison, WI GIS Open Data Portal (21)
City of Saint Paul GIS Data (32)
Clay County Open Data (3)
Cook Central (237)
Crawford County Open Data (77)
Cuyahoga County Open Data (45)
Dauphin County GIS Data Portal (17)
Delaware County GIS (25)
Delaware Valley Regional Planning Commission (DVRPC) (145)
Detroit Open Data (132)
DuPage County GIS (51)
Eau Claire County Geospatial Hub (32)
Evansville, Vanderburgh County, Indiana Open Data Collection (50)
Franklin County Auditor, Ohio Open Data (30)
Frederick County Open Data (115)
GEOhio Spatial Data Discovery Portal (314)
Geodata Hub of Vilas County, WI (28)
Grant County Open Data Hub (28)
Hamilton County, Indiana Open Data Collection (43)
Harford County Planning and Zoning Open GIS (74)
Harvard (148)
Hennepin County GIS Data (25)
Hoosier Resilience Index: Indiana (17)
Illinois DOT Open Data Portal (100)
Indiana Covid-19 Cases Tracker (1)
IndianaMap (378)
Iowa Emergency Operations Center (1)
Iowa Geodata (135)
IowaDOT Open Data (546)
Kenosha County, WI GIS Open Data Portal (31)
Lake County Illinois Open Data Portal (53)
Land Records Data Portal of Columbia County, WI (61)
Lincoln Open Data and Performance Management (90)
Linn County, Iowa Open Data Portal (53)
Lorain County GIS Data (85)
Maryland iMap (1,256)
McLean County GIS Consortium Open Data (21)
Michigan Covid-19 Summary (Michigan State Police) (1)
Milwaukee County GIS Download (98)
Minnesota Geospatial Commons (252)
Montgomery County Open Data (1,542)
Native Land Digital (3)
Natural Resources Research Institute (106)
Nebraska Game & Parks Map and Data Portal (1)
NebraskaMap (150)
New Jersey Department of Environmental Protection's (NJDEP) Bureau of GIS (290)
New Jersey Geographic Information Network (NJGIN) Open Data Portal (492)
North Central PA Hub (6)
Oakland County, MI Open data (105)
Omaha/Douglas County GIS Open Data Portal (69)
Open Data DC (927)
Open Data Minneapolis (193)
OpenIndy Data Portal (82)
Opioid Awareness|Peoria City/County Health Department (3)
Outagamie County GIS Download (21)
PHLmaps (323)
Pennsylvania Department of Conservation and Natural Resources Open Data Portal (57)
Pennsylvania Department of Environmental Protection (148)
Peoria County GIS Open Data Portal (70)
Pierce County GIS Open Data Portal (4)
Polk County GIS Open Data (62)
Pope County Open Data (41)
Racine County GIS Download (41)
Ramsey County Open Data (36)
Renville County Open GIS Data (44)
Russian Military Topographic Map Collection (3)
SEMCOG Open Data (36)
Saint Louis County GIS & Mapping (18)
Sarpy County GIS Portal (106)
Sauk County GIS Download (51)
South Bend, IN Open Data (42)
St. Croix County GIS Download (1)
Stark County GIS Data (110)
State of Michigan Open Data Portal (370)
Summit County GIS Data (31)
Three Rivers Park District Open Data (5)
U.S. Fish and Wildlife Service Open Data (1,987)
UM Matthaei Botanical Gardens and Nichols Arboretum (63)
University of Chicago Library GIS Data Hub (34)
University of Iowa (55)
University of Maryland (1)
University of Minnesota (58)
Waukesha County GIS Download (45)
Waupaca County GIS Download (29)
Waushara County GIS Download (10)
Wilkin County, Minnesota Open Data (17)
Wisconsin Rapids Online Map Portal (18)
Wood County Open Data Portal (13)
Yellow Medicine County Hub (5)
York County, PA GIS Open Data Portal (50)
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