Stanislaus County GIS Maps
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Stanislaus County, California, has 552,878 residents and covers 1,496.0 square miles. The population grew 7.5% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Stanislaus County is 06099.
Modesto is the county's largest population center. Stanislaus County also includes 25 zip codes, 9 public school districts and 24 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.
Stanislaus County Trends
- Population
- 552,878▴
- Median Home Value
- $426,600▴
- K-12 Enrollment
- 49,618▾
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.
Stanislaus 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.
Stanislaus County Population
Stanislaus County had 552,878 residents in 2020. That was 7.5% higher than in 2010. Stanislaus County added 105,881 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 370 people per square mile. Some of the county's most populated postal areas include Modesto, Modesto and Modesto.
Population Trend in Stanislaus County CA
Stanislaus County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Stanislaus County Zip Codes
Stanislaus County has 25 zip codes. Some of the county's most populated zip codes include Modesto (95355), Modesto (95350) and Modesto (95351). Modesto is the largest zip by population, with about 62,337 residents or 11% of the county total. Together, the three largest zips account for about 30% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Stanislaus County CA
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 95355 | Modesto | 62,337 | ▴ 6.9% |
| 95350 | Modesto | 55,344 | ▴ 8.4% |
| 95351 | Modesto | 48,668 | ▴ 4.8% |
| 95307 | Ceres | 46,346 | ▴ 8.4% |
| 95380 | Turlock | 42,912 | ▴ 4.2% |
| Download all zip code data | |||
Stanislaus County Zip Code populations and trends per most recent census data.
Stanislaus County Demographics
Stanislaus County has a median age of 34.8, which makes the county a little younger than California overall. About 26.9% of residents are under 18, while 13.6% 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 33.3% of the population, which points to a solid working-age base. About 19.1% of adults have a bachelor's degree or higher, above the statewide figure of 36.5%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.
Key Demographics for Stanislaus County CA
Median Age
34.8
Under 18
26.9%
Age 65+
13.6%
Bachelor's+
19.1%
Stanislaus County School Districts
Stanislaus County is served by 9 public school districts with 49,618 students enrolled in 2024. The largest districts on the county map are Ceres Unified, Turlock Unified and Patterson Joint Unified. Those three districts account for about 67% 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 Stanislaus County CA
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Ceres Unified School District | 13,665 | 27.5% | ▾ -1.3% |
| Turlock Unified School District | 13,478 | 27.2% | ▴ 0.9% |
| Patterson Joint Unified School District | 6,064 | 12.2% | ▾ -1.1% |
| Oakdale Joint Unified School District | 5,113 | 10.3% | ▾ -1% |
| Newman-Crows Landing Unified School District | 3,085 | 6.2% | ▾ -2.4% |
| Download all school district data | |||
Stanislaus County school district enrollment and trends per most recent NCES reporting data.
Stanislaus County Housing & Real Estate
Stanislaus County has a median home value of $426,600 and a median gross rent of $1,528. 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 California median, while rents come in below the state average. In March 2026, the median listing price was $504,950 and homes spent about 43 days on the market.
Stanislaus County Housing Mix
Stanislaus County housing mix: owner, renter and vacant units.
Stanislaus County Housing Trends
Stanislaus County median home value and rent trend (last 5 years).
Businesses in Stanislaus County, CA
Stanislaus County has 16,924 business listings across 967 categories. The largest categories in Stanislaus County business listings are Real Estate Agents (387, 2.3%), Churches & Religious Organizations (356, 2.1%), and Auto Repair (326, 1.9%). The full Stanislaus County business listings dataset includes names, categories, addresses and contact details where available. Stanislaus County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Stanislaus County, CA
| Category | Businesses | Share |
|---|---|---|
| Real Estate Agents | 387 | 2.3% |
| Churches & Religious Organizations | 356 | 2.1% |
| Auto Repair | 326 | 1.9% |
| Mexican Restaurants | 295 | 1.7% |
| Beauty Salons | 290 | 1.7% |
| Insurance Agencies | 227 | 1.3% |
| Gas Stations | 227 | 1.3% |
| Parks & Recreation | 220 | 1.3% |
| ATMs | 213 | 1.3% |
| Fast Food | 205 | 1.2% |
Stanislaus County Business Listings
| Business | Category | City |
|---|---|---|
| GPS Counseling Center for Addiction Treatment | Abuse And Addiction Treatment | Modesto |
| Stonebridge Apartments | Accommodation | Modesto |
| Kemper CPA Group LLP | Accountant | Modesto |
| Modesto Empire Little League | Active Life | Modesto |
| Modesto Acupuncture Center | Acupuncture | Modesto |
| The Living Center | Addiction Rehabilitation Center | Patterson |
| Love Pathways Wraparound | Adoption Services | Modesto |
| Turlock Adult School | Adult Education | Turlock |
| Hustler Hollywood | Adult Entertainment | Modesto |
| Local Media Pros | Advertising Agency | Modesto |
| Download Stanislaus County business listings | ||
Stanislaus County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Stanislaus County Basemaps
Stanislaus 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 Stanislaus County Data Package
This page shows a preview of what's included in the Stanislaus 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 Stanislaus County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.