Iosco County GIS Maps
Iosco County, Michigan, has 25,237 residents and covers 549.1 square miles. The population declined 2.5% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Iosco County is 26069.
East Tawas is the county's largest population center. Iosco County also includes 7 zip codes, 4 public school districts and 25 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 population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.
Iosco County Trends
- Population
- 25,237▾
- Median Home Value
- $122,900▴
- K-12 Enrollment
- 3,277▾
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.
Iosco 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.
Iosco County Population
Iosco County had 25,237 residents in 2020. That was 2.5% lower than in 2010. Iosco County had 2,102 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 46 people per square mile. Some of the county's most populated postal areas include Oscoda, Tawas City and East Tawas.
Population Trend in Iosco County MI
Iosco County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Iosco County Zip Codes
Iosco County has 7 zip codes. Some of the county's most populated zip codes include Oscoda (48750), Tawas City (48763) and East Tawas (48730). Oscoda is the largest zip by population, with about 8,978 residents or 36% of the county total. Together, the three largest zips account for about 73% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Iosco County MI
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 48750 | Oscoda | 8,978 | ▴ 1.5% |
| 48763 | Tawas City | 4,949 | ▾ -1.3% |
| 48730 | East Tawas | 4,443 | ▾ -5.8% |
| 48739 | Hale | 3,636 | ▾ -10.1% |
| 48770 | Whittemore | 1,848 | ▾ -2.3% |
| Download all zip code data | |||
Iosco County Zip Code populations and trends per most recent census data.
Iosco County Demographics
Iosco County has a median age of 53.5, which makes the county a little older than Michigan overall. About 17% of residents are under 18, while 30.4% 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 30.4% of the population, which points to an older population profile. About 17.6% of adults have a bachelor's degree or higher, above the statewide figure of 31.8%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Iosco County MI
Median Age
53.5
Under 18
17%
Age 65+
30.4%
Bachelor's+
17.6%
Iosco County School Districts
Iosco County is served by 4 public school districts with 3,277 students enrolled in 2024. The largest districts on the county map are Oscoda Area Schools, Tawas Area Schools and Whittemore-Prescott Area Schools. Those three districts account for about 89% 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 Iosco County MI
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Oscoda Area Schools | 1,199 | 36.6% | ▾ -0.7% |
| Tawas Area Schools | 1,124 | 34.3% | ▾ -1.2% |
| Whittemore-Prescott Area Schools | 607 | 18.5% | ▾ -5.5% |
| Hale Area Schools | 347 | 10.6% | ▾ -3.3% |
| Download all school district data | |||
Iosco County school district enrollment and trends per most recent NCES reporting data.
Iosco County Housing & Real Estate
Iosco County has a median home value of $122,900 and a median gross rent of $659. About 83% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Michigan median, while rents come in below the state average. In March 2026, the median listing price was $202,250 and homes spent about 87 days on the market.
Iosco County Housing Mix
Iosco County housing mix: owner, renter and vacant units.
Iosco County Housing Trends
Iosco County median home value and rent trend (last 5 years).
Businesses in Iosco County, MI
Iosco County has 1,508 business listings across 398 categories. The largest categories in Iosco County business listings are Lake (43, 2.9%), Hotels (43, 2.9%), and Churches & Religious Organizations (38, 2.5%). The full Iosco County business listings dataset includes names, categories, addresses and contact details where available. Iosco County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Iosco County, MI
| Category | Businesses | Share |
|---|---|---|
| Lake | 43 | 2.9% |
| Hotels | 43 | 2.9% |
| Churches & Religious Organizations | 38 | 2.5% |
| Parks & Recreation | 28 | 1.9% |
| Resort | 22 | 1.5% |
| Gas Stations | 21 | 1.4% |
| Public And Government Association | 20 | 1.3% |
| Landmark And Historical Building | 19 | 1.3% |
| Convenience Stores | 19 | 1.3% |
| Campgrounds & RV Parks | 17 | 1.1% |
Iosco County Business Listings
| Business | Category | City |
|---|---|---|
| The River House at 102 | Accommodation | Oscoda |
| Graham Accounting & Tax | Accountant | Au Sable Twp |
| Corsair Ski Trails | Active Life | Tawas City |
| Northern Michigan Drug Screening | Addiction Rehabilitation Center | East Tawas |
| Great Lakes Advertising & Promotion | Advertising Agency | Tawas City |
| Oscoda-Wurtsmith | Airport | Oscoda |
| Iosco County Airport | Airport Terminal | East Tawas |
| White Dove Healing Wellness | Alternative Medicine | Tawas City |
| Big Boy | American Restaurants | East Tawas |
| Ruckle Farms Equestrian Center | Amusement Park | Whittemore |
| Download Iosco County business listings | ||
Iosco County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Iosco County Basemaps
Iosco 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 Iosco County Data Package
This page shows a preview of what's included in the Iosco 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 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 Iosco County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.