Milwaukee County GIS Maps
Milwaukee County, Wisconsin, has 939,489 residents across 280,327 parcels and covers 241.5 square miles. The population declined 0.9% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Milwaukee County is 55079.
Milwaukee is the county's largest population center. Milwaukee County also includes 36 zip codes, 14 public school districts and 32 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show parcel data, population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.
Milwaukee County Trends
- Population
- 939,489▾
- Median Home Value
- $216,500▴
- K-12 Enrollment
- 110,546▾
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Milwaukee County Maps
The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.
County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.
Milwaukee County Parcels
Milwaukee County has 280,327 mapped parcels. The median assessed value is $239,300. The median lot size is 0.14 acres. 1,729 parcels are 10 acres or larger. The records carry 231,356 distinct owner names. Owner names, mailing addresses, site addresses and lot sizes are on nearly every parcel. Assessed values reach 96.4%. Browse the interactive Milwaukee County Parcel viewer here.
Milwaukee County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 280,327 | 100% |
| Owner name | 279,986 | 99.9% |
| Owner mailing address | 275,900 | 98.4% |
| Site address | 279,855 | 99.8% |
| Land use code | 268,622 | 95.8% |
| Land use description | 0 | 0% |
| Assessed value | 270,261 | 96.4% |
| Land value | 270,261 | 96.4% |
| Improvement value | 270,263 | 96.4% |
| Acreage | 278,435 | 99.3% |
| Parcel boundary | 280,327 | 100% |
| Download all Milwaukee County parcels. | ||
Field coverage measured across all Milwaukee County parcel records.
Milwaukee County Population
Milwaukee County had 939,489 residents in 2020. That was 0.9% lower than in 2010. Milwaukee County had 675 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 3,890 people per square mile. Some of the county's most populated postal areas include Milwaukee, Milwaukee and Milwaukee.
Population Trend in Milwaukee County WI
Milwaukee County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Milwaukee County Zip Codes
Milwaukee County has 36 zip codes. Some of the county's most populated zip codes include Milwaukee (53215), Milwaukee (53209) and Milwaukee (53204). Milwaukee is the largest zip by population, with about 59,359 residents or 6% of the county total. Together, the three largest zips account for about 15% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Milwaukee County WI
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 53215 | Milwaukee | 59,359 | ▾ -2.6% |
| 53209 | Milwaukee | 44,586 | ▾ -5% |
| 53204 | Milwaukee | 39,728 | ▾ -6.2% |
| 53221 | Milwaukee | 39,560 | ▴ 4.9% |
| 53218 | Milwaukee | 38,488 | ▾ -5.3% |
| Download all zip code data | |||
Milwaukee County Zip Code populations and trends per most recent census data.
Milwaukee County Demographics
Milwaukee County has a median age of 35.4, which makes the county a little younger than Wisconsin overall. About 23.9% of residents are under 18, while 14.4% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 35% of the population, which points to a solid working-age base. About 33.9% of adults have a bachelor's degree or higher, above the statewide figure of 32.8%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.
Key Demographics for Milwaukee County WI
Median Age
35.4
Under 18
23.9%
Age 65+
14.4%
Bachelor's+
33.9%
Milwaukee County School Districts
Milwaukee County is served by 14 public school districts with 110,546 students enrolled in 2024. The largest districts on the county map are Milwaukee, Wauwatosa and West Allis. Those three districts account for about 71% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.
Largest School Districts by Enrollment in Milwaukee County WI
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Milwaukee School District | 65,550 | 59.3% | ▾ -2% |
| Wauwatosa School District | 6,704 | 6.1% | ▾ -0.8% |
| West Allis School District | 6,615 | 6% | ▾ -4.7% |
| Oak Creek-Franklin School District | 6,554 | 5.9% | ▴ 0.4% |
| Franklin Public School District | 4,666 | 4.2% | ▾ -1.2% |
| Download all school district data | |||
Milwaukee County school district enrollment and trends per most recent NCES reporting data.
Milwaukee County Housing & Real Estate
Milwaukee County has a median home value of $216,500 and a median gross rent of $1,069. About 50% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Wisconsin median, while rents come in above the state average. In March 2026, the median listing price was $267,500 and homes spent about 32 days on the market.
Milwaukee County Housing Mix
Milwaukee County housing mix: owner, renter and vacant units.
Milwaukee County Housing Trends
Milwaukee County median home value and rent trend (last 5 years).
Businesses in Milwaukee County, WI
Milwaukee County has 36,954 business listings across 1,155 categories. The largest categories in Milwaukee County business listings are Churches & Religious Organizations (839, 2.3%), Medical Offices (810, 2.2%), and Beauty Salons (582, 1.6%). The full Milwaukee County business listings dataset includes names, categories, addresses and contact details where available. Milwaukee County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Milwaukee County, WI
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 839 | 2.3% |
| Medical Offices | 810 | 2.2% |
| Beauty Salons | 582 | 1.6% |
| Landmark And Historical Building | 557 | 1.5% |
| Community & Nonprofits | 528 | 1.4% |
| Medical Center | 487 | 1.3% |
| Auto Repair | 480 | 1.3% |
| ATMs | 478 | 1.3% |
| Parks & Recreation | 434 | 1.2% |
| Bars & Nightlife | 431 | 1.2% |
Milwaukee County Business Listings
| Business | Category | City |
|---|---|---|
| Styled Aesthetic LLC | 3D Printing Service | South Milwaukee |
| Affiliated Medical Services | Abortion Clinic | Milwaukee |
| West Grove Clinic | Abuse And Addiction Treatment | Milwaukee |
| The Book Marq | Academic Bookstore | Milwaukee |
| Baya Bar - Acai & Smoothie Shop | Acai Bowls | Milwaukee |
| Echelon Apartments | Accommodation | Wauwatosa |
| Nolan Accounting Center | Accountant | Greenfield |
| Stretchmke | Active Life | Milwaukee |
| North Cape Acupuncture of Milwaukee | Acupuncture | Milwaukee |
| Drug Detox Wauwatosa | Addiction Rehabilitation Center | Wauwatosa |
| Download Milwaukee County business listings | ||
Milwaukee County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Milwaukee County Basemaps
Milwaukee County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.
Get the Full Milwaukee County Data Package
This page shows a preview of what's included in the Milwaukee County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.
- 20+ GIS layers for parcels, zip codes, school districts, roads, water, boundaries and more
- Historical county demographics, housing, income and trend data
- ZIP code population files and school district enrollment history
- Database files, markdowns, AI-ready prompts and documentation
- Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
- Offline-ready data explorer, map and analytics tools
Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.
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Nearby Counties
Browse county data pages for the counties that border Milwaukee County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.