Milwaukee County GIS & Land InformationMilwaukee Co. Supervisory Districts with Supervisor Information. Data is updated after each supervisor election cycle by the MCLIO staff. *Some datasets are from the Legislative Technology Services Bureau. LTSB Website & LTSB HUB Site Other election boundary related data: Wisconsin State Senate Districts Source: LTSB Visit LTSB HUB site to download. Wisconsin State Assembly Districts Source: LTSB Visit LTSB HUB Site to download. Milwaukee County City Common Council/Village Board Milwaukee County Supervisory Districts Wisconsin Congressional Districts Source: LTSB . Visit LTSB HUB site to download. Milwaukee County US Senate Representation Milwaukee County Municipal Executives Milwaukee County Voting WardsArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/cbd2b238536c4fcb9eb5967a3df17d4f_46engMilwaukee County GIS DownloadPublicMilwaukee County Supervisory Districts [Wisconsin--Milwaukee County]Web servicesWisconsin--Milwaukee CountyWisconsinLast Modified: 2025-11-07