Winnebago County GIS Maps
Winnebago County, Wisconsin, has 171,730 residents across 80,213 parcels and covers 434.7 square miles. The population grew 2.8% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Winnebago County is 55139.
Oshkosh is the county's largest population center. Winnebago County also includes 12 zip codes, 10 public school districts and 42 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.
Winnebago County Trends
- Population
- 171,730▴
- Median Home Value
- $208,600▴
- K-12 Enrollment
- 27,182▾
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.
Winnebago 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.
Winnebago County Parcels
Winnebago County has 80,213 mapped parcels covering 278,222 acres. The median assessed value is $209,400. The median lot size is 0.31 acres. 7,693 parcels are 10 acres or larger. The records carry 58,573 distinct owner names. Owner names, mailing addresses and lot sizes are on nearly every parcel. Site addresses reach 81.7%. Assessed values reach 92.5%. Browse the interactive Winnebago County Parcel viewer here.
Winnebago County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 80,213 | 100% |
| Owner name | 80,175 | 99.9% |
| Owner mailing address | 80,034 | 99.8% |
| Site address | 65,523 | 81.7% |
| Land use code | 73,376 | 91.5% |
| Land use description | 0 | 0% |
| Assessed value | 74,157 | 92.5% |
| Land value | 74,157 | 92.5% |
| Improvement value | 74,157 | 92.5% |
| Acreage | 80,084 | 99.8% |
| Parcel boundary | 80,213 | 100% |
| Download all Winnebago County parcels. | ||
Field coverage measured across all Winnebago County parcel records.
Winnebago County Population
Winnebago County had 171,730 residents in 2020. That was 2.8% higher than in 2010. Winnebago County added 14,967 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 395 people per square mile. Some of the county's most populated postal areas include Neenah, Oshkosh and Oshkosh.
Population Trend in Winnebago County WI
Winnebago County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Winnebago County Zip Codes
Winnebago County has 12 zip codes. Some of the county's most populated zip codes include Neenah (54956), Oshkosh (54901) and Oshkosh (54902). Neenah is the largest zip by population, with about 46,316 residents or 27% of the county total. Together, the three largest zips account for about 62% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Winnebago County WI
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 54956 | Neenah | 46,316 | ▴ 8.5% |
| 54901 | Oshkosh | 37,594 | ▾ -0.3% |
| 54902 | Oshkosh | 22,309 | ▾ -0.3% |
| 54904 | Oshkosh | 21,828 | ▴ 5.8% |
| 54963 | Omro | 7,454 | ▴ 7.8% |
| Download all zip code data | |||
Winnebago County Zip Code populations and trends per most recent census data.
Winnebago County Demographics
Winnebago County has a median age of 38.4, which makes the county a little younger than Wisconsin overall. About 20.4% of residents are under 18, while 17.1% 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 31.6% of the population, which points to a solid working-age base. About 31% of adults have a bachelor's degree or higher, above the statewide figure of 32.8%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Winnebago County WI
Median Age
38.4
Under 18
20.4%
Age 65+
17.1%
Bachelor's+
31%
Winnebago County School Districts
Winnebago County is served by 10 public school districts with 27,182 students enrolled in 2024. The largest districts on the county map are Oshkosh Area, Neenah and Menasha. Those three districts account for about 69% 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 Winnebago County WI
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Oshkosh Area School District | 9,101 | 33.5% | ▾ -0.1% |
| Neenah School District | 6,473 | 23.8% | ▾ -0.4% |
| Menasha School District | 3,121 | 11.5% | ▾ -1.8% |
| New London School District | 2,019 | 7.4% | ▾ -2.3% |
| Winneconne Community School District | 1,721 | 6.3% | ▾ -2.6% |
| Download all school district data | |||
Winnebago County school district enrollment and trends per most recent NCES reporting data.
Winnebago County Housing & Real Estate
Winnebago County has a median home value of $208,600 and a median gross rent of $924. About 66% 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 below the state average. In March 2026, the median listing price was $299,900 and homes spent about 36 days on the market.
Winnebago County Housing Mix
Winnebago County housing mix: owner, renter and vacant units.
Winnebago County Housing Trends
Winnebago County median home value and rent trend (last 5 years).
Businesses in Winnebago County, WI
Winnebago County has 7,132 business listings across 771 categories. The largest categories in Winnebago County business listings are Medical Offices (145, 2.0%), Churches & Religious Organizations (129, 1.8%), and Parks & Recreation (120, 1.7%). The full Winnebago County business listings dataset includes names, categories, addresses and contact details where available. Winnebago County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Winnebago County, WI
| Category | Businesses | Share |
|---|---|---|
| Medical Offices | 145 | 2.0% |
| Churches & Religious Organizations | 129 | 1.8% |
| Parks & Recreation | 120 | 1.7% |
| Contractors | 111 | 1.6% |
| Auto Repair | 100 | 1.4% |
| Bars & Nightlife | 96 | 1.3% |
| Beauty Salons | 90 | 1.3% |
| Gas Stations | 90 | 1.3% |
| Professional Services | 87 | 1.2% |
| Insurance Agencies | 83 | 1.2% |
Winnebago County Business Listings
| Business | Category | City |
|---|---|---|
| AMS of Wisconsin | Abuse And Addiction Treatment | Oshkosh |
| Fox Valley Technical College - Oshkosh Riverside Bookstore | Academic Bookstore | Oshkosh |
| The Annex of Oshkosh | Accommodation | Oshkosh |
| Heling and Associates CPA's LLC | Accountant | Neenah |
| Waukau Flying Mane | Active Life | Omro |
| Bartelt Acupuncture | Acupuncture | Oshkosh |
| Addiction Treatment Oshkosh | Addiction Rehabilitation Center | Oshkosh |
| Adoption Services | Adoption Services | Appleton |
| Lion's Den | Adult Entertainment | Oshkosh |
| Eldorado's Adult Book Store | Adult Store | Appleton |
| Download Winnebago County business listings | ||
Winnebago County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Winnebago County Basemaps
Winnebago 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 Winnebago County Data Package
This page shows a preview of what's included in the Winnebago 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 Winnebago County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.