104 State Water Plan Watersheds: Pennsylvania
1998. Environmental Resources Research Institute. Digitized boundaries of 104 major watersheds defined in the Pennsylvania state water plan. The State Water Plan, originally developed in the 1970s,...
2012-2020 Election Data (Wisconsin 2018 Wards): Wisconsin, 2018
2018. Wisconsin Legislative Technology Services Bureau. This data layer represents various election results for 2012-2020 in Wisconsin, mapped with 2018 ward boundaries. [Ward Data Overview:Fall 2018 mun...
2018 Voting Precincts: Michigan
2018. State of Michigan. The 2018 Precinct data set represents the geography used for the 2018 election cycle. Information was collected from local election officials along...
3.75-Minute Quarter Quadrangle Boundary: Pennsylvania
2003. Pennsylvania Spatial Data Access. Index of USGS quarter-quadrangles (3.75 minute) covering Pennsylvania. The polygons are attributed with information pertaining to the USGS/PaGS Dig...
Abandoned Vehicle Inspection Area: Washington, D.C.
City of Washington, DC. Abandoned Vehicle Investigator Areas are the boundaries of the areas that abandoned vehicle investigators are assigned for investigating abandoned ...
Active Development: Baltimore County, Maryland
Baltimore County Web Map Portal.
Active Underground Permit Boundaries: Pennsylvania, 2018
2018. Pennsylvania Department of Environmental Protection. Pennsylvania state law requires those who wish to conduct mining activities within the Commonwealth submit and get approval by the Pennsylvania Dep...
Active Underground Permit Boundaries: Pennsylvania, 2019
2019. Pennsylvania Department of Environmental Protection. Pennsylvania state law requires those who wish to conduct mining activities within the Commonwealth submit and get approval by the Pennsylvania Dep...
Ada Township: Kent County, Michigan
2020. Kent County. Parcel boundaries for the County of Kent. With regards to condos, for each ppn within the condo, and additional parcel will be stacked within this ...
Address Centerline Points: Geauga County, Ohio
2017. Address Centerline Points.
Adjusted Census Urban Boundaries: Michigan
2015. State of Michigan. The Adjusted Census Urban Boundary (ACUB) Layer is a single polygon representing the boundary of an individual ACUB. The Adjusted Census Urban Boun...
Adjusted Census Urban Boundary: Michigan, 2010
Southeast Michigan Council of Governments. 2010 Adjusted Census Urban Area/Boundary (ACUA/ACUB): 2010 Adjusted Census Urban Area polygons extracted from version 17 of the Michigan Geographic...
Administrative Boundaries: Ramsey County, Minnesota
2020. Ramsey County. This file geodatabase contains datasets that represent municipal boundaries, commissioner district boundaries, precincts and park boundaries.The fo...
Adult Correctional Facilities: Iowa
2015. Legislative Services Agency. Iowa Adult Correctional Facilities.
Advanced Life Support Paramedics Service Coverage: Crawford County, Pennsylvania
2019. Crawford County PA Government. Advanced Life Support (ALS) / paramedic service coverage within Crawford County, PA. Data is public use and unrestricted.
Advisory Neighborhood Commission from 1990: Washington, D.C.
1990. City of Washington, DC. Advisory Neighborhood Commission (ANC) polygons. This dataset contains polygons representing ANC boundaries in 1990, created as part of the DC Geog...
Advisory Neighborhood Commissions from 2002: Washington D.C.
City of Washington, DC. Advisory Neighborhood Commissions or ANC's are collections of Single Member Districts or SMD's. There are multiple ANC's for each of the eight Ward...
2015. Legislative Services Agency. Iowa Agricultural Districts.
Airport Authority District: Peoria County, Illinois
2017. Peoria County GIS. This polygon feature class represents the Airport Authority tax district boundary in Peoria County, Illinois. This boundary reflects the 2017 tax y...
Aldermanic Districts City of Madison, Wisconsin, 2017
2017. City of Madison. This data layer represents aldermanic district boundaries for the City of Madison, Wisconsin in 2017.
Algoma Township: Kent County, Michigan
2020. Kent County. Parcel boundaries for the County of Kent. With regards to condos, for each ppn within the condo, and additional parcel will be stacked within this ...
2019. County of Allegheny, PA. This dataset demarcates municipal voting districts in Allegheny County. These were updated in 2019 to match municipal boundaries. If viewing this d...
Alpine Township: Kent County, Michigan
2020. Kent County. Parcel boundaries for the County of Kent. With regards to condos, for each ppn within the condo, and additional parcel will be stacked within this ...
Iowa Department of Transportation. This is the map file with all alignments and resources.
Alt5 Loess Hills Boundary: Iowa
Iowa Department of Transportation. This is the map file with all alignments and resources.
Alt6 NoLevee County Parcels: Iowa
Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.
America Service Area: Harford County, Maryland
Harford County Government. Boundary of area served by the Maryland America Water Company within Harford County.
American Community Survey (ACS) 2017 Population Variables Tract: Washington, District of Columbia
2017. Census Bureau. Data source is the Esri Demographics team. This layer contains the most current release of data from the American Community Survey (ACS) about tota...
2017. City of Washington, DC. Data source is the Esri Demographics team. This layer contains the most current release of data from the American Community Survey (ACS) about pove...
2018. Census Bureau. Data downloaded from the Esri Demographics team. This layer shows hours worked, and those unemployed and not in labor force. This is shown by tract...
American Community Survey (ACS) 2018 Housing Costs Variables Tract: Washington, District of Columbia
2018. Census Bureau. Data source is the Esri Demographics team. This layer shows housing costs as a percentage of household income. This is shown by tract boundaries re...
2018. Census Bureau. Data source is the Esri Demographics team. This layer shows median household income by race and by age of householder. This is shown by tract bound...
American Community Survey (ACS) 2018 Population Variables Tract: Washington, District of Columbia
2018. Census Bureau. Data source is the Esri Demographics team. This layer contains the most current release of data from the American Community Survey (ACS) about tota...
2018. Census Bureau. Data source is the Esri Demographics team. This layer contains the most current release of data from the American Community Survey (ACS) about pove...
American Indian Reservation Boundaries: Minnesota, 2010
2010. Minnesota Legislative Commission. Data displaying reservation lands as released by the US Census Bureau for the 2010 census.
Anacostia Waterfront Development Zone: District of Columbia
2012. City of Washington, DC. Anacostia Waterfront Development Zone (AWDZ) is the boundary that delineates the area that was dictated by the Anacostia Waterfront Environmental S...
Animal Control Sectors: Howard County, Maryland
Animal Control Sector polygons depicting the areas of Howard County where Animal Control Officers are dispatched.
Annexation Chronology: Evanston, Illinois
City of Evanston. Annexations by the City of Evanston through the years.
Annexation History: Dublin, Ohio
2015. City of Dublin, Ohio. Political and Administrative Boundaries around Dublin, Ohio. This includes the layers: Tax Increment Finance Zones, Annexation History, Subdivision...
Annexation: Scott County, Minnesota
2016. Scott County Minnesota. This dataset contains Orderly Annexation Areas within Scott County. The Orderly Annexation Area boundaries reflect areas mapped in annexation agree...
Annexations: Summit County, Ohio
County of Summit GIS. This layer depicts Summit County annexations.
Appraisal Neighborhood Boundaries: Franklin County, Ohio
Franklin County, Ohio. Franklin County Auditor - Local Government Information Model - Assessment Information - Appraisal NeighborhoodsThis layer contains appraisal neighb...
Arborist Zones: Washington, D.C.
City of Washington, DC. Data pertaining the arborist planting zones as part of the Urban Forestry Administration (UFA) in the District's Department of Transportation. UFA'...
ArcGIS GDBO Historic Districts: City of Grand Rapids, Michigan
2019. City of Grand Rapids. A historic district is defined as a significant concentration, linkage or continuity of resources united historically or aesthetically by plan or d...
Architect of the Capitol: Washington, D.C.
City of Washington, DC. Architect of the Capitol jurisdiction boundary. The dataset contains locations and attributes of the Architect of the Capitol jurisdiction boundary...
Archived Election Boundaries - 2002 Legislative Districts: Maryland
2002. ArcGIS Online for Maryland. This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov.2002 districts have since been modifed in 2012. MDP is Maryland...
Archived Election Boundaries - 2002 Us Congressional Districts: Maryland
2002. ArcGIS Online for Maryland. This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov.2002 districts have since been modifed in 2011. MDP is Maryland...
2015. Legislative Services Agency. Iowa Area Agencies on Aging https://www.iowaaging.gov/area-agencies-aging.
Area Commission Boundaries: Columbus, Ohio
2017. City of Columbus Maps & Apps. This map layers shows the boundaries of area commissions in the City of Columbus. Columbus City Council established area Commissions in the early 1...
Area County Boundaries: Chicago, Illinois
2020. University of Chicago Library. This map is part of a collection of 10 maps showing the location of Presbyterian Churches in relation to ethnic groups in the city of Chicago. The ...
2018. State of Iowa. Iowa Area Education Agencies as prepared by the Iowa Department of Education for the 2019-2020 school year - updated 3/9/2020.
Area Master Plans, Planning Department: Baltimore, Maryland
Planning Department. Boundaries of the Area Master Plans that have been approved by the Mayor & City Council of Baltimore.
2010. The Baltimore Neighborhood Indicators Alliance - Jacob France Institute (BNIA-JFI). Most indicators throughout Vital Signs are created by acquiring and analyzing data collected from governmental agencies for some public administrat...
2010. The Baltimore Neighborhood Indicators Alliance - Jacob France Institute (BNIA-JFI). Most indicators throughout Vital Signs are created by acquiring and analyzing data collected from governmental agencies for some public administrat...
2010. The Baltimore Neighborhood Indicators Alliance - Jacob France Institute (BNIA-JFI). Most indicators throughout Vital Signs are created by acquiring and analyzing data collected from governmental agencies for some public administrat...
The Baltimore Neighborhood Indicators Alliance - Jacob France Institute (BNIA-JFI). Vital Signs 16 Arts and Culture.
Baldwin Borough Municipal Boundary: Pennsylvania
2020. Baldwin Borough. Map of Baldwin Borough's political subdivision boundry.
Baldwin Borough Parcels: Pennsylvania
2020. Baldwin Borough. Parcel boundaries for all properties in Baldwin Borough.
Baltimore City Boundary Line: Baltimore, Maryland
Information Technology, Enterprise GIS (MOIT-EGIS). This dataset delineates the administrative line for the City of Baltimore, Maryland.
Baltimore City Neighborhoods: Maryland
2010. ArcGIS Online for Maryland. This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov.A representation of the boundaries of Baltimore City neighborho...
Baltimore County Historic Districts: Baltimore County, Maryland
2017. Baltimore County Government. Outlines the boundaries of the Baltimore County Historic Districts. The agreement by the owners of 75 percent of the property within a proposed dis...
Base Zoning Districts: Columbus, Ohio
2017. City of Columbus, Department of Technology. This map layer shows the base zoning districts in the City of Columbus. Zoning disrticts and associated regulations govern the use, placement, spac...
Baseball Stadium Area: District of Columbia
City of Washington, DC. Boundary area of National Stadium and surrounding area's.
Basic Life Support, EMT Ambulance Service Coverage: Crawford County, Pennsylvania
2019. Crawford County PA Government. BLS (Basic Life Support) ambulance coverage within Crawford County, PA. Data is public use and unrestricted.
Bear Hunting Management Zones Wisconsin, 2008
2008. Wisconsin Department of Natural Resources. This data set is a polygon region features shapefile representing Wisconsin DNR Bear Management Zones as region features. Bear Management Zones ind...
Bear Hunting Management Zones, Wisconsin 2014
2014. Wisconsin Department of Natural Resources. This data represents bear hunting management zones for WI in 2014.[This data set is a region features shapefile representing Wisconsin DNR Bear Man...
2020. Minnesota Department of Natural Resources (DNR). Bear Permit Areas.
BFE: City of Baltimore, Maryland
Baltimore City. Preliminary FEMA map layer - February 2019 Please contact victor.ukpolo@baltimorecity.gov with questions.
Block Areas: Allegheny County, Pennsylvania
County of Allegheny, PA. This dataset overlays a grid on the County to assist in locating a parcel. The grid squares are 3,500 by 4,500 square feet. The data was derived fr...
Block Group (Census): Nebraska, 2010
2010. State of Nebraska. This data set is from the US Census Bureau and should be used with any related census data such as Blocks and tracts. TIGER, TIGER/Line, and Census...
1990. State of Michigan. 1990 Block Groups from the Michigan Geographic Framework (MGF) base map. Block groups (BG s) are combinations of census blocks within a census trac...
2000. State of Michigan. 2000 Block Groups from the Michigan Geographic Framework (MGF) base map. Block groups (BG s) are combinations of census blocks within a census trac...
2010. State of Michigan. 2010 Block Groups from the Michigan Geographic Framework (MGF) base map. Block groups (BG s) are combinations of census blocks within a census trac...
2020. Pope County. The primary division of a simultaneous conveyance and generally referred to as lots or blocks.
Bloomington-Monroe County MPO Urban Area Boundary: Indiana
2017. Bloomington-Monroe County MPO Urban Area Boundary GIS Data exported from the CIty's GIS. See summary description (txt) file for information about i...
BlueAlt Historic Districts: Iowa
Iowa Department of Transportation.
Board Authorities: City of Detroit
2018. Geographic boundaries and plan details for each of the City of Detroit's three current Board Authorities: Downtown Development Authority; Local Dev...
Board of Commissioners Districts: Washtenaw County, Michigan
2013. Washtenaw County GIS. County elected representative districts. This feature class displays the Washtenaw County Board of Commissioner Districts. These boundaries are bas...
Board of Commissioners Districts: Washtenaw County, Michigan
Washtenaw County. Board of Commissioners districts for Washtenaw County, Michigan. Zipped file includes a shapefile and file geodatabase. See their metadata for more...
Board Of Education Districts: Montgomery County, Maryland
2019. Montgomery County, MD. Board of Education Districts in Montgomery County.
Board of Education Districts: Nebraska
2020. State of Nebraska. This dataset was created in 2011 by the Legislative Research Office as LB702 which represents Nebraska's Board of Education district boundaries. LB...
Board of Regents Districts: Nebraska
2020. State of Nebraska. This dataset was created in 2011 by the Legislative Research Office as LB701 which represents Nebraska's Board of Regents district boundaries. LB70...
Board of Review District: Cook County, Illinois, 2010
2010. Cook County GIS Department. Board of Review District based on 2010 census.
Board Of Revision Cases: Franklin County, Ohio
Franklin County, Ohio. Franklin County Auditor - Local Government Information Model - Assessment Information - Board of Revision Cases (2014-2017)This point layer contain...
Board Of Revisions Locations: Athens County, Ohio
Athens County GIS.
Bobcat, Fisher, and Marten Zone: Minnesota
2020. Minnesota Department of Natural Resources (DNR). Bobcat, Fisher, and Marten Zone.
2017. Cook County GIS. The Public Land Survey System (PLSS) is the way land in the United States is subdivided, it forms the foundation of Cook County's cadastral system ...
Boundaries - Special Service Areas (deprecated January 2020): Chicago, Illinois
2020. OUTDATED. See the current data at https://data.cityofchicago.org/d/kjav-iyuj -- Special Service Areas (SSA) boundaries in Chicago. The Special Serv...
Boundaries Division: Philadelphia, Pennsylvania, United States
City of Philadelphia. For any questions or technical assistance please email maps@phila.gov.
Boundaries of 7.5-Minute Quadrangles,: Indiana
2002. United States Geological Service and Indiana Geological Survey. QUADRANGLES_24K_USGS_IN is a polygon shapefile defining the boundaries of the USGS 7.5-minute (1:24,000-scale) quadrangles which cover the state of...
Boundaries of 7.5-Minute Quadrangles,: Indiana (Web Map Service)
1999. IndianaMap Open Data (ArcGIS Online). Boundaries of 7.5-Minute Quadrangles, 1999 (1:24,000) - Shows the boundaries of the 7.5-minute topographic quadrangle maps of the U.S. Geological S...
Boundaries of Minnesota: Minnesota
2020. Minnesota Department of Transportation (MnDOT). This is the MnDOT user-accepted version of the state boundary. It is a composite of all of the county boundaries, as accepted by MnDOT for general ...
Boundaries Psa: Philadelphia, Pennsylvania, United States
City of Philadelphia. For any questions or technical assistance please email maps@phila.gov.
Boundary: Allegheny County, Pennsylvania
County of Allegheny, PA. This dataset contains the Allegheny County boundary. If viewing this description on the Western Pennsylvania Regional Data Center s open data porta...
Boundary: Chester County, Pennsylvania
2011. Chester County DCIS/GIS. The data describes the boundary of the Chester County. The boundary was captured from the County tax assessment maps. Original maps at 1"=400\' and...
Boundary: Chicago, Illinois, 1868
1868. University of Chicago Library. This map is part of a collection of 10 maps showing the location of Presbyterian Churches in relation to ethnic groups in the city of Chicago. The ...
