St. Joseph County GIS Maps
St. Joseph County, Michigan, has 60,939 residents and covers 500.6 square miles. The population declined 0.6% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for St. Joseph County is 26149.
Sturgis is the county's largest population center. St. Joseph County also includes 10 zip codes, 10 public school districts and 32 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.
St. Joseph County Trends
- Population
- 60,939▾
- Median Home Value
- $167,600▴
- K-12 Enrollment
- 12,424▾
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.
St. Joseph 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.
St. Joseph County Population
St. Joseph County had 60,939 residents in 2020. That was 0.6% lower than in 2010. St. Joseph County had 1,483 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 122 people per square mile. Some of the county's most populated postal areas include Sturgis, Three Rivers and White Pigeon.
Population Trend in St. Joseph County MI
St. Joseph County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
St. Joseph County Zip Codes
St. Joseph County has 10 zip codes. Some of the county's most populated zip codes include Sturgis (49091), Three Rivers (49093) and White Pigeon (49099). Sturgis is the largest zip by population, with about 19,901 residents or 33% of the county total. Together, the three largest zips account for about 72% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in St. Joseph County MI
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 49091 | Sturgis | 19,901 | ▴ 0.1% |
| 49093 | Three Rivers | 18,215 | ▾ -0.9% |
| 49099 | White Pigeon | 5,623 | ▾ -0.1% |
| 49042 | Constantine | 4,641 | ▾ -5.1% |
| 49040 | Colon | 3,404 | ▴ 0.5% |
| Download all zip code data | |||
St. Joseph County Zip Code populations and trends per most recent census data.
St. Joseph County Demographics
St. Joseph County has a median age of 39.8, which is close to the Michigan average. About 24.4% of residents are under 18, while 18.5% 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 29.3% of the population, which points to a solid working-age base. About 17.1% 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 St. Joseph County MI
Median Age
39.8
Under 18
24.4%
Age 65+
18.5%
Bachelor's+
17.1%
St. Joseph County School Districts
St. Joseph County is served by 10 public school districts with 12,424 students enrolled in 2024. The largest districts on the county map are Sturgis Public Schools, Vicksburg Community Schools and Three Rivers Community Schools. Those three districts account for about 60% 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 St. Joseph County MI
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Sturgis Public Schools | 2,760 | 22.2% | ▾ -3.2% |
| Vicksburg Community Schools | 2,560 | 20.6% | ▾ -1.5% |
| Three Rivers Community Schools | 2,145 | 17.3% | ▾ -5.3% |
| Constantine Public School District | 1,247 | 10% | ▾ -4.2% |
| Centreville Public Schools | 889 | 7.2% | ▾ -0.4% |
| Download all school district data | |||
St. Joseph County school district enrollment and trends per most recent NCES reporting data.
St. Joseph County Housing & Real Estate
St. Joseph County has a median home value of $167,600 and a median gross rent of $825. About 75% 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 $257,600 and homes spent about 47 days on the market.
St. Joseph County Housing Mix
St. Joseph County housing mix: owner, renter and vacant units.
St. Joseph County Housing Trends
St. Joseph County median home value and rent trend (last 5 years).
Businesses in St. Joseph County, MI
St. Joseph County has 2,493 business listings across 496 categories. The largest categories in St. Joseph County business listings are Churches & Religious Organizations (96, 3.9%), Lake (53, 2.1%), and Auto Repair (44, 1.8%). The full St. Joseph County business listings dataset includes names, categories, addresses and contact details where available. St. Joseph County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in St. Joseph County, MI
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 96 | 3.9% |
| Lake | 53 | 2.1% |
| Auto Repair | 44 | 1.8% |
| Gas Stations | 43 | 1.7% |
| Parks & Recreation | 38 | 1.5% |
| Contractors | 33 | 1.3% |
| Insurance Agencies | 30 | 1.2% |
| Beauty Salons | 30 | 1.2% |
| Real Estate Agents | 29 | 1.2% |
| Farm | 29 | 1.2% |
St. Joseph County Business Listings
| Business | Category | City |
|---|---|---|
| New Vision Withdrawal Management | Abuse And Addiction Treatment | Three Rivers |
| Enchanted Glen | Accommodation | Colon |
| McLaughlin and Company | Accountant | Sturgis |
| Swamp Rat Flies | Active Life | Burr Oak |
| Muscle Therapy & Acupuncture Center | Acupuncture | White Pigeon |
| Three:Sixteen Design & more | Advertising Agency | Marcellus |
| Hog Slat, Inc. | Agricultural Cooperatives | Three Rivers |
| Burnips Equipment | Agricultural Service | Three Rivers |
| Remington Seeds LLC | Agriculture | Burr Oak |
| Three Rivers Aero | Aircraft Repair | Three Rivers |
| Download St. Joseph County business listings | ||
St. Joseph County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Get the Full St. Joseph County Data Package
This page shows a preview of what's included in the St. Joseph 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 St. Joseph County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.