Platbookmapper County GIS Directory

Wisconsin · FIPS 55079 · County seat: Milwaukee

Milwaukee County, WI GIS & Parcel Viewer

Use this page to reach the official county parcel map for Milwaukee County, Wisconsin. The button below opens the Milwaukee County parcel map in a new tab, so you can look up parcels by address, owner or parcel number on the source site itself.

Open the Milwaukee County parcel map ↗
Opens apps.geocortex.com in a new tab. We link out and never embed or copy parcel data.

Milwaukee County at a glance

Official mapMilwaukee County parcel map
TypeCounty-run map
Websiteapps.geocortex.com
AccessFree, no login (checked Oct 2026)
County seatMilwaukee
Population916,205 (2023 Census Bureau estimate)
Land area241 sq mi
FIPS code55079

Who runs this map

It is a county-level map: Milwaukee County or the company it hires keeps the parcel layer up to date. Our October 2026 check found the map open to the public, with no account or payment needed.

Searching for a parcel, step by step

  1. Press the button above to open the county's own web map.
  2. Search for the property or pan and zoom to it.
  3. Click the lot to bring up what the county publishes about it.
  4. Look for print or measure tools if you need a quick map or rough size.

If an address search comes up empty, try the parcel number from a tax bill or deed instead, or click the lot on the map.

Milwaukee County by the numbers

The U.S. Census Bureau estimated Milwaukee County's population at 916,205 in 2023, spread over about 241 square miles of land, or roughly 3,802 people per square mile. That makes it the most populous of Wisconsin's 72 counties. Census maps also count about 948 square miles of water inside its boundary. The county seat is Milwaukee.

Nearby parcel maps

If the property sits near a county line, the parcel may belong to a neighbor. These counties border Milwaukee County:

Maps vs. surveys

Online parcel lines are drawn for tax and planning use. They can be off by several feet, so use a recorded plat or a licensed surveyor for fences, setbacks or a sale.

Related

← Wisconsin counties · Open the national map