Collin County GIS Maps
Collin County, Texas, has 1,066,467 residents across 387,673 parcels and covers 841.3 square miles. The population grew 36.3% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Collin County is 48085.
Plano is the county's largest population center. Collin County also includes 29 zip codes, 20 public school districts and 19 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 parcel data, population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.
Collin County Trends
- Population
- 1,066,467▴
- Median Home Value
- $447,600▴
- K-12 Enrollment
- 264,626▴
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.
Collin 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.
Collin County Parcels
Collin County has 387,673 mapped parcels covering 522,712 acres. The median assessed value is $475,730. The median lot size is 0.27 acres. 12,516 parcels are 10 acres or larger. Of the parcels with a recorded build year, half were built in 2003 or earlier. The records carry 319,257 distinct owner names. About 4% of parcels list an owner mailing address outside Texas. Owner names, mailing addresses, site addresses, assessed values and lot sizes are on nearly every parcel. Browse the interactive Collin County Parcel viewer here.
Collin County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 387,673 | 100% |
| Owner name | 385,442 | 99.4% |
| Owner mailing address | 387,673 | 100% |
| Site address | 387,673 | 100% |
| Land use code | 385,442 | 99.4% |
| Land use description | 0 | 0% |
| Assessed value | 387,673 | 100% |
| Land value | 387,673 | 100% |
| Improvement value | 387,673 | 100% |
| Acreage | 387,673 | 100% |
| Parcel boundary | 387,673 | 100% |
| Download all Collin County parcels. | ||
Field coverage measured across all Collin County parcel records.
Collin County Population
Collin County had 1,066,467 residents in 2020. That was 36.3% higher than in 2010. Collin County added 574,792 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 1,268 people per square mile. Some of the county's most populated postal areas include Frisco, Allen and Wylie.
Population Trend in Collin County TX
Collin County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Collin County Zip Codes
Collin County has 29 zip codes. Some of the county's most populated zip codes include Frisco (75035), Allen (75002) and Wylie (75098). Frisco is the largest zip by population, with about 82,596 residents or 8% of the county total. Together, the three largest zips account for about 21% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Collin County TX
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 75035 | Frisco | 82,596 | ▴ 73.7% |
| 75002 | Allen | 69,939 | ▴ 10.8% |
| 75098 | Wylie | 67,212 | ▴ 39.5% |
| 75071 | Mckinney | 64,449 | ▴ 78.6% |
| 75070 | Mckinney | 57,712 | ▾ -22.8% |
| Download all zip code data | |||
Collin County Zip Code populations and trends per most recent census data.
Collin County Demographics
Collin County has a median age of 37.3, which makes the county a little older than Texas overall. About 25.1% of residents are under 18, while 11.4% 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 36.5% of the population, which points to a solid working-age base. About 54.9% of adults have a bachelor's degree or higher, above the statewide figure of 33.1%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.
Key Demographics for Collin County TX
Median Age
37.3
Under 18
25.1%
Age 65+
11.4%
Bachelor's+
54.9%
Collin County School Districts
Collin County is served by 20 public school districts with 264,626 students enrolled in 2024. The largest districts on the county map are Frisco Independent, Plano Independent and Prosper Independent. Those three districts account for about 54% 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 Collin County TX
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Frisco Independent School District | 65,289 | 24.7% | ▾ -2.1% |
| Plano Independent School District | 46,612 | 17.6% | ▾ -2.7% |
| Prosper Independent School District | 31,651 | 12% | ▴ 11.2% |
| McKinney Independent School District | 23,296 | 8.8% | ▾ 0% |
| Allen Independent School District | 20,838 | 7.9% | ▾ -2.5% |
| Download all school district data | |||
Collin County school district enrollment and trends per most recent NCES reporting data.
Collin County Housing & Real Estate
Collin County has a median home value of $447,600 and a median gross rent of $1,792. About 64% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Texas median, while rents come in above the state average. In March 2026, the median listing price was $509,975 and homes spent about 43 days on the market.
Collin County Housing Mix
Collin County housing mix: owner, renter and vacant units.
Collin County Housing Trends
Collin County median home value and rent trend (last 5 years).
Businesses in Collin County, TX
Collin County has 46,639 business listings across 1,214 categories. The largest categories in Collin County business listings are Real Estate Agents (1,312, 2.8%), Insurance Agencies (749, 1.6%), and Medical Offices (734, 1.6%). The full Collin County business listings dataset includes names, categories, addresses and contact details where available. Collin County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Collin County, TX
| Category | Businesses | Share |
|---|---|---|
| Real Estate Agents | 1,312 | 2.8% |
| Insurance Agencies | 749 | 1.6% |
| Medical Offices | 734 | 1.6% |
| Beauty Salons | 709 | 1.5% |
| Churches & Religious Organizations | 632 | 1.4% |
| Hair Salons | 631 | 1.4% |
| Dental Offices | 578 | 1.2% |
| Professional Services | 557 | 1.2% |
| Real Estate | 532 | 1.1% |
| Gyms & Fitness | 511 | 1.1% |
Collin County Business Listings
| Business | Category | City |
|---|---|---|
| Iron Eagle Graphics | 3D Printing Service | ALLEN |
| Center For Discovery | Abuse And Addiction Treatment | Plano |
| Nekter Juice Bar | Acai Bowls | Frisco |
| Olympus Woodbridge | Accommodation | Sachse |
| Newton Buckley Cpa | Accountant | Allen |
| DeWalls Acoustic Specialties | Acoustical Consultant | McKinney |
| Plano Sports Authority | Active Life | Plano |
| Jade Clinic of Fertility Acupuncture | Acupuncture | Frisco |
| Addiction Treatment Wylie | Addiction Rehabilitation Center | Wylie |
| CK Family Services | Adoption Services | Plano |
| Download Collin County business listings | ||
Collin County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Collin County Basemaps
Collin 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 Collin County Data Package
This page shows a preview of what's included in the Collin 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 parcels, 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 Collin County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.