Marathon County GIS Maps

Marathon 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.

Marathon County Parcels

Marathon County has 83,181 mapped parcels covering 972,545 acres. The median assessed value is $158,400. The median lot size is 4.16 acres. 26,299 parcels are 10 acres or larger. The records carry 52,452 distinct owner names. Owner names, mailing addresses and assessed values are on nearly every parcel. Site addresses reach 70.1%. Lot sizes reach 75.9%. Browse the interactive Marathon County Parcel viewer here.

Marathon County Parcel Data Coverage

Field coverage measured across all Marathon County parcel records. Download free sample data here.

Marathon County Population

Marathon County had 138,013 residents in 2020. That was 2.9% higher than in 2010. Marathon County added 12,179 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 89 people per square mile. Some of the county's most populated postal areas include Rothschild, Rothschild and Schofield.

Population Trend in Marathon County WI

Marathon County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Marathon County Zip Codes

Marathon County has 16 zip codes. Some of the county's most populated zip codes include Rothschild (54401), Rothschild (54403) and Schofield (54476). Rothschild is the largest zip by population, with about 31,727 residents or 23% of the county total. Together, the three largest zips account for about 55% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Marathon County WI

Marathon County Zip Code populations and trends per most recent census data.

Marathon County Demographics

Marathon County has a median age of 41.2, which makes the county a little older than Wisconsin overall. About 22.7% of residents are under 18, while 18.6% 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 30.6% of the population, which points to a solid working-age base. About 27.3% 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 Marathon County WI

Marathon County School Districts

Marathon County is served by 16 public school districts with 32,338 students enrolled in 2024. The largest districts on the county map are Wausau, D.C. Everest Area and Medford Area. Those three districts account for about 55% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, based on district totals from 2017 to 2024.

Largest School Districts by Enrollment in Marathon County WI

Marathon County school district enrollment and trends per most recent NCES reporting data.

Marathon County Housing & Real Estate

Marathon County has a median home value of $205,500 and a median gross rent of $950. About 73% 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 $366,175 and homes spent about 43 days on the market.

Businesses in Marathon County, WI

Marathon County has 5,913 business listings across 724 categories. The largest categories in Marathon County business listings are Churches & Religious Organizations (139, 2.4%), Parks & Recreation (99, 1.7%), and Contractors (94, 1.6%). The full Marathon County business listings dataset includes names, categories, addresses and contact details where available. Marathon County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Marathon County, WI

Marathon County Business Listings

Marathon County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Marathon County Basemaps

Marathon 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.

Preview a Live Package Demo

See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from Wisconsin — explore the full structure before you buy.