Iron County GIS Maps
Iron County, Wisconsin, has 6,137 residents across 17,188 parcels and covers 758.2 square miles. The population grew 3.7% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Iron County is 55051.
Hurley is the county's largest population center. Iron County also includes 7 zip codes, 3 public school districts and 26 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.
Iron County Trends
- Population
- 6,137▴
- Median Home Value
- $155,200▴
- K-12 Enrollment
- 1,275▾
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.
Iron 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.
Iron County Parcels
Iron County has 17,188 mapped parcels covering 500,298 acres. The median assessed value is $64,200. The median lot size is 7.91 acres. 8,252 parcels are 10 acres or larger. The records carry 7,435 distinct owner names. Owner names, mailing addresses and lot sizes are on nearly every parcel. Assessed values reach 73.3%. Browse the interactive Iron County Parcel viewer here.
Iron County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 17,188 | 100% |
| Owner name | 17,177 | 99.9% |
| Owner mailing address | 16,993 | 98.9% |
| Site address | 6,920 | 40.3% |
| Land use code | 10,627 | 61.8% |
| Land use description | 0 | 0% |
| Assessed value | 12,598 | 73.3% |
| Land value | 12,598 | 73.3% |
| Improvement value | 12,598 | 73.3% |
| Acreage | 17,101 | 99.5% |
| Parcel boundary | 17,188 | 100% |
| Download all Iron County parcels. | ||
Field coverage measured across all Iron County parcel records.
Iron County Population
Iron County had 6,137 residents in 2020. That was 3.7% higher than in 2010. Iron County had 724 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 8 people per square mile. Some of the county's most populated postal areas include Hurley, Mercer and Saxon.
Population Trend in Iron County WI
Iron County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Iron County Zip Codes
Iron County has 7 zip codes. Some of the county's most populated zip codes include Hurley (54534), Mercer (54547) and Saxon (54559). Hurley is the largest zip by population, with about 2,481 residents or 40% of the county total. Together, the three largest zips account for about 80% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Iron County WI
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 54534 | Hurley | 2,481 | ▴ 0.9% |
| 54547 | Mercer | 1,639 | ▴ 17.7% |
| 54559 | Saxon | 759 | ▾ -4.5% |
| 54550 | Montreal | 674 | ▾ -1.6% |
| 54525 | Gile | 276 | ▾ -1.1% |
| Download all zip code data | |||
Iron County Zip Code populations and trends per most recent census data.
Iron County Demographics
Iron County has a median age of 55.9, which makes the county a little older than Wisconsin overall. About 15.4% of residents are under 18, while 32% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 65 and over at about 32% of the population, which points to an older population profile. About 23.4% 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 Iron County WI
Median Age
55.9
Under 18
15.4%
Age 65+
32%
Bachelor's+
23.4%
Iron County School Districts
Iron County is served by 3 public school districts with 1,275 students enrolled in 2024. The largest districts on the county map are Chequamegon, Hurley and Mercer. Those three districts account for about 100% 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 Iron County WI
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Chequamegon School District | 639 | 50.1% | ▾ -1.7% |
| Hurley School District | 544 | 42.7% | ▾ -2.9% |
| Mercer School District | 92 | 7.2% | ▾ -12.4% |
| Download all school district data | |||
Iron County school district enrollment and trends per most recent NCES reporting data.
Iron County Housing & Real Estate
Iron County has a median home value of $155,200 and a median gross rent of $640. About 87% 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 $258,700 and homes spent about 144 days on the market.
Iron County Housing Mix
Iron County housing mix: owner, renter and vacant units.
Iron County Housing Trends
Iron County median home value and rent trend (last 5 years).
Businesses in Iron County, WI
Iron County has 570 business listings across 198 categories. The largest categories in Iron County business listings are Lake (81, 14.2%), Bars & Nightlife (37, 6.5%), and Cabin (14, 2.5%). The full Iron County business listings dataset includes names, categories, addresses and contact details where available. Iron County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Iron County, WI
| Category | Businesses | Share |
|---|---|---|
| Lake | 81 | 14.2% |
| Bars & Nightlife | 37 | 6.5% |
| Cabin | 14 | 2.5% |
| Hotels | 13 | 2.3% |
| Gas Stations | 12 | 2.1% |
| Parks & Recreation | 11 | 1.9% |
| Lodge | 11 | 1.9% |
| Public And Government Association | 9 | 1.6% |
| Bar And Grill Restaurant | 8 | 1.4% |
| Holiday Rental Home | 8 | 1.4% |
Iron County Business Listings
| Business | Category | City |
|---|---|---|
| Great Northern Hotel | Accommodation | Mercer |
| The Turtle Flambeau Flowage | Active Life | Mercer |
| Center Life Health LLC | Acupuncture | Hurley |
| Club Sierra | Adult Entertainment | Hurley |
| Lezard-Agency | Advertising Agency | Montreal |
| Spud River Landing Strip | Airport | Iron County |
| Mercer Area Ambulance | Ambulance And Ems Services | Mercer |
| Iron Nugget | American Restaurants | Hurley |
| Anna B Rose Kennels LLC | Animal Shelters | Saxon |
| Whimsies Impulsive Necessities | Antique Store | Mercer |
| Download Iron County business listings | ||
Iron County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Iron County Basemaps
Iron 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 Iron County Data Package
This page shows a preview of what's included in the Iron 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 Iron County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.