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The files below and more are available on our Open Data Portal at https://data.milwaukee.gov/.
The City attempts to provide accurate, complete, and timely information. The City, however, cannot guarantee the quality, content, accuracy, or completeness of the information, text, graphics, links, and other items contained. The City also retains the right to change any content of this file without prior notice.
Information provided by the City's GIS site should not be used as a substitute for legal, accounting, real estate, business, tax, or other professional advice. The City of Milwaukee assumes no liability for any damages or loss of any kind that might arise from the use of, misuse of, or the inability to use the City's GIS web site and/or the materials contained on the web site. The City also assumes no liability for improper or incorrect use of materials or information. All materials that appear on the City's GIS site are distributed and transmitted "as is," without warranties of any kind, either express or implied.
Accessing GIS Web Services with Esri Software
The GIS services consumed by our web map applications are also available for direct use to Esri ArcGIS Desktop users at milwaukeemaps.milwaukee.gov. Check out the following links for detailed documentation. All three documents are in PDF format.
Esri Shapefiles and KMZ
Note: All shapefiles are in State Plane South NAD27
For more information about shapefiles and REST endpoints, please visit Esri's websites at https://doc.arcgis.com/shapefile and https://developers.arcgis.com/services
Aldermanic Districts
Updated October 2019
Aldermanic Districts Data contains the 1992, 2004, 2012, 2016, 2018, and 2019 Aldermanic District polygons.
District boundaries and numbering have not changed since 2012. Any updates to this dataset since 2012 will represent changes to Aldermanic district information in the attribute table.
Corporate Boundary
Updated January 1, 2004
Corporate Boundary contains the City of Milwaukee Corporate Boundary.
Neighborhoods
Updated January 2007
Neighborhoods Data and Resources contain neighborhood boundaries, as defined by the Milwaukee Neighborhood Identification Project. The goal of the Neighborhood Identification Project is to define neighborhoods encompassing all of the residential areas in Milwaukee.
Parcel Outlines
Updated weekly
Parcel Outlines Data and Resources file contains the City of Milwaukee parcel outlines as well as historical versions of Milwaukee's parcel outlines.
The City of Milwaukee parcel shapefile accommodates condominium records (multiple tax identifiers -- "taxkeys" -- assigned to one parcel). Multiple records (one for each taxkey) exist for condominium parcels. As a result, a direct join can be made between parcelbase.shp and MPROP (or other taxkey-based dataset), and condominium data will be accurately joined.
Police Districts
Updated July 2009
Police Districts Data and Resources contains the current MPD Police Districts.
Quarter Section
Quarter Sections contain the engineering and tax descriptions of parcels within the city. Download PDF versions of Milwaukee engineering maps by quarter section using Quarter Section Milwaukee. Using this interface, you can find the map you're looking for by quarter section number, property address, or street intersection.
Streets
Updated weekly
Streets Data and Resources contains a graphic representation of the street center line as well as attribute data for each official street including address ranges, street direction, street name and street type. Although most dime segments fall near the center of the right-of-way, it is not an accurate representation of street center lines. It is a tool for obtaining street name and address information for streets within the city of Milwaukee.
Voting Wards
Updated June 2022
Voting Wards Data and Resources contains voting ward boundaries and associated polling place information.