Saginaw County GIS Maps
Saginaw County, Michigan, has 190,124 residents and covers 800.5 square miles. The population declined 5% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Saginaw County is 26145.
Saginaw is the county's largest population center. Saginaw County also includes 19 zip codes, 18 public school districts and 50 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.
Saginaw County Trends
- Population
- 190,124▾
- Median Home Value
- $139,400▴
- K-12 Enrollment
- 33,649▾
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.
Saginaw 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.
Saginaw County Population
Saginaw County had 190,124 residents in 2020. That was 5% lower than in 2010. Saginaw County had 19,915 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 238 people per square mile. Some of the county's most populated postal areas include Saginaw, Saginaw and Saginaw.
Population Trend in Saginaw County MI
Saginaw County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Saginaw County Zip Codes
Saginaw County has 19 zip codes. Some of the county's most populated zip codes include Saginaw (48601), Saginaw (48602) and Saginaw (48603). Saginaw is the largest zip by population, with about 32,165 residents or 17% of the county total. Together, the three largest zips account for about 46% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Saginaw County MI
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 48601 | Saginaw | 32,165 | ▾ -16.3% |
| 48602 | Saginaw | 27,613 | ▾ -8.3% |
| 48603 | Saginaw | 27,492 | ▴ 2.2% |
| 48623 | Freeland | 15,105 | ▴ 7.9% |
| 48638 | Saginaw | 13,199 | ▴ 2.1% |
| Download all zip code data | |||
Saginaw County Zip Code populations and trends per most recent census data.
Saginaw County Demographics
Saginaw County has a median age of 41.1, which makes the county a little older than Michigan overall. About 21.5% of residents are under 18, while 19.9% 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 29.4% of the population, which points to a solid working-age base. About 23.4% of adults have a bachelor's degree or higher, above the statewide figure of 31.8%. The county is majority White by population, with Hispanic, Asian, Black and multiracial residents making up a meaningful share of the local mix.
Key Demographics for Saginaw County MI
Median Age
41.1
Under 18
21.5%
Age 65+
19.9%
Bachelor's+
23.4%
Saginaw County School Districts
Saginaw County is served by 18 public school districts with 33,649 students enrolled in 2024. The largest districts on the county map are Bay City, Saginaw City and Saginaw Township Community Schools. Those three districts account for about 46% 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 Saginaw County MI
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Bay City School District | 6,030 | 17.9% | ▾ -2.4% |
| Saginaw City School District | 4,955 | 14.7% | ▾ -4.3% |
| Saginaw Township Community Schools | 4,447 | 13.2% | ▴ 1% |
| Freeland Community School District | 1,947 | 5.8% | ▾ -1.1% |
| Birch Run Area School District | 1,806 | 5.4% | ▴ 1.7% |
| Download all school district data | |||
Saginaw County school district enrollment and trends per most recent NCES reporting data.
Saginaw County Housing & Real Estate
Saginaw County has a median home value of $139,400 and a median gross rent of $921. About 74% 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 $139,850 and homes spent about 63 days on the market.
Saginaw County Housing Mix
Saginaw County housing mix: owner, renter and vacant units.
Saginaw County Housing Trends
Saginaw County median home value and rent trend (last 5 years).
Businesses in Saginaw County, MI
Saginaw County has 7,962 business listings across 761 categories. The largest categories in Saginaw County business listings are Churches & Religious Organizations (248, 3.1%), Medical Offices (119, 1.5%), and Auto Repair (118, 1.5%). The full Saginaw County business listings dataset includes names, categories, addresses and contact details where available. Saginaw County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Saginaw County, MI
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 248 | 3.1% |
| Medical Offices | 119 | 1.5% |
| Auto Repair | 118 | 1.5% |
| Gas Stations | 109 | 1.4% |
| Contractors | 104 | 1.3% |
| Parks & Recreation | 99 | 1.2% |
| Beauty Salons | 99 | 1.2% |
| ATMs | 93 | 1.2% |
| Insurance Agencies | 90 | 1.1% |
| Community & Nonprofits | 88 | 1.1% |
Saginaw County Business Listings
| Business | Category | City |
|---|---|---|
| Affordable Screen Printing | 3D Printing Service | Saginaw |
| Rehabilitation Services | Abuse And Addiction Treatment | Freeland |
| Camelot Place Apartments | Accommodation | Saginaw |
| Yeo & Yeo CPAs & Advisors | Accountant | Saginaw |
| Reese Health & Fitness | Active Life | Reese |
| Acupuncture & Massage Center | Acupuncture | Saginaw |
| Pathways Chemical Dependency | Addiction Rehabilitation Center | Saginaw |
| Education and Training Connection | Adult Education | Saginaw |
| Lover's Lane | Adult Entertainment | Saginaw |
| Relic Media | Advertising Agency | St Charles |
| Download Saginaw County business listings | ||
Saginaw County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Saginaw County Basemaps
Saginaw 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 Saginaw County Data Package
This page shows a preview of what's included in the Saginaw 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 Saginaw County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.