Marinette County GIS Maps
Marinette County, Wisconsin, has 41,872 residents across 57,985 parcels and covers 1,399.5 square miles. The population grew 0.3% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Marinette County is 55075.
Marinette is the county's largest population center. Marinette County also includes 12 zip codes, 9 public school districts and 44 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.
Marinette County Trends
- Population
- 41,872▴
- Median Home Value
- $154,600▴
- K-12 Enrollment
- 5,958▾
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.
Marinette 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.
Marinette County Parcels
Marinette County has 57,985 mapped parcels covering 889,268 acres. The median assessed value is $78,100. The median lot size is 4.12 acres. 22,986 parcels are 10 acres or larger. The records carry 31,071 distinct owner names. Owner names, mailing addresses and lot sizes are on nearly every parcel. Site addresses reach 52.2%. Assessed values reach 85.2%. Browse the interactive Marinette County Parcel viewer here.
Marinette County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 57,985 | 100% |
| Owner name | 57,435 | 99.1% |
| Owner mailing address | 57,411 | 99.0% |
| Site address | 30,242 | 52.2% |
| Land use code | 46,784 | 80.7% |
| Land use description | 0 | 0% |
| Assessed value | 49,380 | 85.2% |
| Land value | 49,380 | 85.2% |
| Improvement value | 49,380 | 85.2% |
| Acreage | 57,892 | 99.8% |
| Parcel boundary | 57,985 | 100% |
| Download all Marinette County parcels. | ||
Field coverage measured across all Marinette County parcel records.
Marinette County Population
Marinette County had 41,872 residents in 2020. That was 0.3% higher than in 2010. Marinette County had 1,512 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 30 people per square mile. Some of the county's most populated postal areas include Marinette, Crivitz and Peshtigo.
Population Trend in Marinette County WI
Marinette County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Marinette County Zip Codes
Marinette County has 12 zip codes. Some of the county's most populated zip codes include Marinette (54143), Crivitz (54114) and Peshtigo (54157). Marinette is the largest zip by population, with about 15,265 residents or 36% of the county total. Together, the three largest zips account for about 65% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Marinette County WI
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 54143 | Marinette | 15,265 | ▴ 0.3% |
| 54114 | Crivitz | 5,913 | ▴ 14.2% |
| 54157 | Peshtigo | 5,846 | ▾ -2.3% |
| 54151 | Niagara | 3,515 | ▾ -1.2% |
| 54177 | Wausaukee | 2,903 | ▴ 0.2% |
| Download all zip code data | |||
Marinette County Zip Code populations and trends per most recent census data.
Marinette County Demographics
Marinette County has a median age of 48.8, which makes the county a little older than Wisconsin overall. About 19% of residents are under 18, while 24.6% 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 26% of the population, which points to a solid working-age base. About 19.5% 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 Marinette County WI
Median Age
48.8
Under 18
19%
Age 65+
24.6%
Bachelor's+
19.5%
Marinette County School Districts
Marinette County is served by 9 public school districts with 5,958 students enrolled in 2024. The largest districts on the county map are Marinette, Peshtigo and Crivitz. Those three districts account for about 63% 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 Marinette County WI
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Marinette School District | 1,914 | 32.1% | ▾ -2.2% |
| Peshtigo School District | 1,061 | 17.8% | ▴ 1% |
| Crivitz School District | 799 | 13.4% | ▴ 0.1% |
| Coleman School District | 741 | 12.4% | ▴ 3.3% |
| Niagara School District | 455 | 7.6% | ▴ 2.9% |
| Download all school district data | |||
Marinette County school district enrollment and trends per most recent NCES reporting data.
Marinette County Housing & Real Estate
Marinette County has a median home value of $154,600 and a median gross rent of $749. About 80% 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 $248,675 and homes spent about 89 days on the market.
Marinette County Housing Mix
Marinette County housing mix: owner, renter and vacant units.
Marinette County Housing Trends
Marinette County median home value and rent trend (last 5 years).
Businesses in Marinette County, WI
Marinette County has 2,488 business listings across 488 categories. The largest categories in Marinette County business listings are Lake (105, 4.2%), Medical Offices (57, 2.3%), and Churches & Religious Organizations (55, 2.2%). The full Marinette County business listings dataset includes names, categories, addresses and contact details where available. Marinette County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Marinette County, WI
| Category | Businesses | Share |
|---|---|---|
| Lake | 105 | 4.2% |
| Medical Offices | 57 | 2.3% |
| Churches & Religious Organizations | 55 | 2.2% |
| Bars & Nightlife | 52 | 2.1% |
| Parks & Recreation | 51 | 2.0% |
| Gas Stations | 49 | 2.0% |
| Auto Repair | 36 | 1.4% |
| Bar And Grill Restaurant | 33 | 1.3% |
| Campgrounds & RV Parks | 30 | 1.2% |
| Convenience Stores | 29 | 1.2% |
Marinette County Business Listings
| Business | Category | City |
|---|---|---|
| Libertas | Abuse And Addiction Treatment | Marinette |
| Cegelski & Cegelski SC | Accountant | Marinette |
| Morgan County Park | Active Life | |
| Northpoint exotic dance club | Adult Entertainment | Peshtigo |
| Bay Cities Interactive | Advertising Agency | Marinette |
| United Cooperative | Agricultural Cooperatives | Coleman |
| Field and Forest Products Inc. | Agricultural Seed Store | Peshtigo |
| Village Tractor & Repair | Agricultural Service | Niagara |
| Elk Creek Ranch | Agriculture | Peshtigo |
| Crivitz Municipal Airport | Airport | Crivitz |
| Download Marinette County business listings | ||
Marinette County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Marinette County Basemaps
Marinette 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 Marinette County Data Package
This page shows a preview of what's included in the Marinette 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 Marinette County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.