Isabella County GIS Maps
Isabella County, Michigan, has 64,394 residents and covers 572.7 square miles. The population declined 8.4% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Isabella County is 26073.
Mount Pleasant is the county's largest population center. Isabella County also includes 7 zip codes, 10 public school districts and 35 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.
Isabella County Trends
- Population
- 64,394▾
- Median Home Value
- $165,100▴
- K-12 Enrollment
- 13,104▾
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.
Isabella 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.
Isabella County Population
Isabella County had 64,394 residents in 2020. That was 8.4% lower than in 2010. Isabella County added 1,043 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 112 people per square mile. Some of the county's most populated postal areas include Mount Pleasant, Shepherd and Weidman.
Population Trend in Isabella County MI
Isabella County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Isabella County Zip Codes
Isabella County has 7 zip codes. Some of the county's most populated zip codes include Mount Pleasant (48858), Shepherd (48883) and Weidman (48893). Mount Pleasant is the largest zip by population, with about 41,844 residents or 65% of the county total. Together, the three largest zips account for about 84% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Isabella County MI
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 48858 | Mount Pleasant | 41,844 | ▾ -16.4% |
| 48883 | Shepherd | 6,842 | ▾ -3.9% |
| 48893 | Weidman | 5,400 | ▴ 3.6% |
| 49310 | Blanchard | 3,072 | ▴ 1.9% |
| 48878 | Rosebush | 1,586 | ▾ -5.4% |
| Download all zip code data | |||
Isabella County Zip Code populations and trends per most recent census data.
Isabella County Demographics
Isabella County has a median age of 29.8, which makes the county a little younger than Michigan overall. About 17.7% of residents are under 18, while 13.7% 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 26.9% of the population, which points to a solid working-age base. About 30.8% 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 Isabella County MI
Median Age
29.8
Under 18
17.7%
Age 65+
13.7%
Bachelor's+
30.8%
Isabella County School Districts
Isabella County is served by 10 public school districts with 13,104 students enrolled in 2024. The largest districts on the county map are Mount Pleasant City, Chippewa Hills and Shepherd Public. Those three districts account for about 52% 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 Isabella County MI
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Mount Pleasant City School District | 3,341 | 25.5% | ▾ -1.6% |
| Chippewa Hills School District | 1,773 | 13.5% | ▾ -0.2% |
| Shepherd Public School District | 1,746 | 13.3% | ▾ -1.2% |
| Clare Public Schools | 1,554 | 11.9% | ▾ -1.3% |
| Farwell Area Schools | 1,000 | 7.6% | ▾ -1.1% |
| Download all school district data | |||
Isabella County school district enrollment and trends per most recent NCES reporting data.
Isabella County Housing & Real Estate
Isabella County has a median home value of $165,100 and a median gross rent of $863. About 61% 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 $248,675 and homes spent about 73 days on the market.
Isabella County Housing Mix
Isabella County housing mix: owner, renter and vacant units.
Isabella County Housing Trends
Isabella County median home value and rent trend (last 5 years).
Businesses in Isabella County, MI
Isabella County has 2,798 business listings across 555 categories. The largest categories in Isabella County business listings are Churches & Religious Organizations (69, 2.5%), Insurance Agencies (48, 1.7%), and Auto Repair (42, 1.5%). The full Isabella County business listings dataset includes names, categories, addresses and contact details where available. Isabella County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Isabella County, MI
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 69 | 2.5% |
| Insurance Agencies | 48 | 1.7% |
| Auto Repair | 42 | 1.5% |
| Gas Stations | 40 | 1.4% |
| Landmark And Historical Building | 40 | 1.4% |
| College University | 39 | 1.4% |
| Farm | 39 | 1.4% |
| Parks & Recreation | 39 | 1.4% |
| Contractors | 34 | 1.2% |
| Community & Nonprofits | 33 | 1.2% |
Isabella County Business Listings
| Business | Category | City |
|---|---|---|
| CMU Bookstore | Academic Bookstore | Mt Pleasant |
| The Village at Bluegrass | Accommodation | Mt Pleasant |
| M C Kostrzewa & Co | Accountant | Mt Pleasant |
| Mount Pleasant City Parks and Recreation | Active Life | Mt Pleasant |
| Worldwide Educational Resource | Adult Education | Mount Pleasant |
| KJM Productions | Advertising Agency | Shepherd |
| Mt Pleasant Sharing Garden | Agricultural Cooperatives | Mt Pleasant |
| Ellens Equipment | Agricultural Service | Mt Pleasant |
| Hempire Farmz | Agriculture | Clare |
| Mt Pleasant Municipal Airport | Airport | Union Twp |
| Download Isabella County business listings | ||
Isabella County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Isabella County Basemaps
Isabella 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 Isabella County Data Package
This page shows a preview of what's included in the Isabella 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 Isabella County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.