Pinal County GIS Maps
Pinal County, Arizona, has 425,264 residents and covers 5,365.8 square miles. The population grew 13.2% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Pinal County is 04021.
Maricopa is the county's largest population center. Pinal County also includes 29 zip codes, 8 public school districts and 22 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.
Pinal County Trends
- Population
- 425,264▴
- Median Home Value
- $312,100▴
- K-12 Enrollment
- 28,585▾
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.
Pinal 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.
Pinal County Population
Pinal County had 425,264 residents in 2020. That was 13.2% higher than in 2010. Pinal County added 245,537 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 79 people per square mile. Some of the county's most populated postal areas include Queen Creek, Casa Grande and Maricopa.
Population Trend in Pinal County AZ
Pinal County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Pinal County Zip Codes
Pinal County has 29 zip codes. Some of the county's most populated zip codes include Queen Creek (85142), Casa Grande (85122) and Maricopa (85138). Queen Creek is the largest zip by population, with about 80,734 residents or 19% of the county total. Together, the three largest zips account for about 43% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Pinal County AZ
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 85142 | Queen Creek | 80,734 | ▴ 65.2% |
| 85122 | Casa Grande | 55,063 | ▴ 8.1% |
| 85138 | Maricopa | 46,914 | ▴ 39.5% |
| 85140 | Queen Creek | 45,381 | ▴ 23.6% |
| 85143 | Queen Creek | 41,720 | ▴ 19.1% |
| Download all zip code data | |||
Pinal County Zip Code populations and trends per most recent census data.
Pinal County Demographics
Pinal County has a median age of 40.3, which makes the county a little older than Arizona overall. About 21.7% of residents are under 18, while 21.3% 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 32.3% of the population, which points to a solid working-age base. About 22.2% of adults have a bachelor's degree or higher, above the statewide figure of 32.6%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.
Key Demographics for Pinal County AZ
Median Age
40.3
Under 18
21.7%
Age 65+
21.3%
Bachelor's+
22.2%
Pinal County School Districts
Pinal County is served by 8 public school districts with 28,585 students enrolled in 2024. The largest districts on the county map are Maricopa Unified, Florence Unified and J. O. Combs Unified. Those three districts account for about 78% of public school enrollment in the map area. Total enrollment has grown modestly since 2017 across the districts shown on the county map.
Largest School Districts by Enrollment in Pinal County AZ
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Maricopa Unified School District | 9,568 | 33.5% | ▴ 3.7% |
| Florence Unified School District | 8,731 | 30.5% | ▾ -2.5% |
| J. O. Combs Unified School District | 3,934 | 13.8% | ▾ -2.9% |
| Coolidge Unified District | 2,815 | 9.8% | ▴ 1.3% |
| Apache Junction Unified District | 2,440 | 8.5% | ▾ -10% |
| Download all school district data | |||
Pinal County school district enrollment and trends per most recent NCES reporting data.
Pinal County Housing & Real Estate
Pinal County has a median home value of $312,100 and a median gross rent of $1,417. About 81% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Arizona median, while rents come in below the state average. In March 2026, the median listing price was $399,900 and homes spent about 58 days on the market.
Pinal County Housing Mix
Pinal County housing mix: owner, renter and vacant units.
Pinal County Housing Trends
Pinal County median home value and rent trend (last 5 years).
Businesses in Pinal County, AZ
Pinal County has 8,649 business listings across 775 categories. The largest categories in Pinal County business listings are Churches & Religious Organizations (234, 2.7%), Auto Repair (129, 1.5%), and Real Estate Agents (127, 1.5%). The full Pinal County business listings dataset includes names, categories, addresses and contact details where available. Pinal County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Pinal County, AZ
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 234 | 2.7% |
| Auto Repair | 129 | 1.5% |
| Real Estate Agents | 127 | 1.5% |
| Fast Food | 126 | 1.5% |
| Parks & Recreation | 116 | 1.3% |
| Convenience Stores | 98 | 1.1% |
| Mexican Restaurants | 95 | 1.1% |
| Contractors | 94 | 1.1% |
| Elementary School | 90 | 1.0% |
| Rv Park | 88 | 1.0% |
Pinal County Business Listings
| Business | Category | City |
|---|---|---|
| Community Medical Services | Abuse And Addiction Treatment | Casa Grande |
| Central Arizona College - Superstition Mountain Campus Bookstore | Academic Bookstore | Apache Junction |
| Mainstay Suites Extended Stay Hotel Casa Grande | Accommodation | Casa Grande |
| Trusted Accounting Partners | Accountant | Casa Grande |
| The Preserve at Saddlebrooke | Active Life | Tucson |
| Acupuncture Alternatives | Acupuncture | Gold Canyon |
| Fry's Pharmacy | Addiction Rehabilitation Center | San Tan Valley |
| Lion's Den | Adult Entertainment | Picacho |
| Arizona Display | Advertising Agency | Apache Junction |
| Double D Arena | Agricultural Service | Marana |
| Download Pinal County business listings | ||
Pinal County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Pinal County Basemaps
Pinal 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 Pinal County Data Package
This page shows a preview of what's included in the Pinal 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 Pinal County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.