Galveston County GIS Maps
Galveston County, Texas, has 350,682 residents across 182,909 parcels and covers 378.9 square miles. The population grew 20.4% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Galveston County is 48167.
League City is the county's largest population center. Galveston County also includes 18 zip codes, 8 public school districts and 10 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.
Galveston County Trends
- Population
- 350,682▴
- Median Home Value
- $284,900▴
- K-12 Enrollment
- 78,980▾
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.
Galveston 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.
Galveston County Parcels
Galveston County has 182,909 mapped parcels covering 239,547 acres. The median assessed value is $284,700. The records carry 136,082 distinct owner names. About 4% of parcels list an owner mailing address outside Texas. Owner names, mailing addresses, assessed values and lot sizes are on nearly every parcel. Site addresses reach 86.8%. Browse the interactive Galveston County Parcel viewer here.
Galveston County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 182,909 | 100% |
| Owner name | 182,821 | 99.9% |
| Owner mailing address | 182,909 | 100% |
| Site address | 158,752 | 86.8% |
| Land use code | 182,105 | 99.6% |
| Land use description | 0 | 0% |
| Assessed value | 182,909 | 100% |
| Land value | 182,909 | 100% |
| Improvement value | 182,909 | 100% |
| Acreage | 182,909 | 100% |
| Parcel boundary | 182,909 | 100% |
| Download all Galveston County parcels. | ||
Field coverage measured across all Galveston County parcel records.
Galveston County Population
Galveston County had 350,682 residents in 2020. That was 20.4% higher than in 2010. Galveston County added 100,524 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 925 people per square mile. Some of the county's most populated postal areas include League City, Friendswood and Dickinson.
Population Trend in Galveston County TX
Galveston County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Galveston County Zip Codes
Galveston County has 18 zip codes. Some of the county's most populated zip codes include League City (77573), Friendswood (77546) and Dickinson (77539). League City is the largest zip by population, with about 95,256 residents or 27% of the county total. Together, the three largest zips account for about 56% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Galveston County TX
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 77573 | League City | 95,256 | ▴ 33.1% |
| 77546 | Friendswood | 54,670 | ▴ 14.8% |
| 77539 | Dickinson | 48,183 | ▴ 24.2% |
| 77590 | Texas City | 30,758 | ▴ 1.3% |
| 77550 | Galveston | 24,247 | ▴ 5.2% |
| Download all zip code data | |||
Galveston County Zip Code populations and trends per most recent census data.
Galveston County Demographics
Galveston County has a median age of 38.5, which makes the county a little older than Texas overall. About 23.9% of residents are under 18, while 15.3% 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 32.9% of the population, which points to a solid working-age base. About 34.3% 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 Galveston County TX
Median Age
38.5
Under 18
23.9%
Age 65+
15.3%
Bachelor's+
34.3%
Galveston County School Districts
Galveston County is served by 8 public school districts with 78,980 students enrolled in 2024. The largest districts on the county map are Clear Creek Independent, Dickinson Independent and Texas City Independent. Those three districts account for about 76% 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 Galveston County TX
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Clear Creek Independent School District | 39,684 | 50.2% | ▾ -1.1% |
| Dickinson Independent School District | 12,554 | 15.9% | ▾ -0.3% |
| Texas City Independent School District | 7,711 | 9.8% | ▾ -2.1% |
| Galveston Independent School District | 6,383 | 8.1% | ▾ -1% |
| Friendswood Independent School District | 6,194 | 7.8% | ▾ -0.3% |
| Download all school district data | |||
Galveston County school district enrollment and trends per most recent NCES reporting data.
Galveston County Housing & Real Estate
Galveston County has a median home value of $284,900 and a median gross rent of $1,360. About 67% 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 $399,925 and homes spent about 58 days on the market.
Galveston County Housing Mix
Galveston County housing mix: owner, renter and vacant units.
Galveston County Housing Trends
Galveston County median home value and rent trend (last 5 years).
Businesses in Galveston County, TX
Galveston County has 14,794 business listings across 917 categories. The largest categories in Galveston County business listings are Churches & Religious Organizations (318, 2.1%), Real Estate Agents (219, 1.5%), and Gas Stations (213, 1.4%). The full Galveston County business listings dataset includes names, categories, addresses and contact details where available. Galveston County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Galveston County, TX
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 318 | 2.1% |
| Real Estate Agents | 219 | 1.5% |
| Gas Stations | 213 | 1.4% |
| Auto Repair | 207 | 1.4% |
| Landmark And Historical Building | 203 | 1.4% |
| Holiday Rental Home | 202 | 1.4% |
| Hotels | 201 | 1.4% |
| Parks & Recreation | 183 | 1.2% |
| Insurance Agencies | 165 | 1.1% |
| Contractors | 156 | 1.1% |
Galveston County Business Listings
| Business | Category | City |
|---|---|---|
| Bay Area Recovery Center | Abuse And Addiction Treatment | Dickinson |
| Lakeview Apartments | Accommodation | Texas City |
| Bay Area Business Service | Accountant | League City |
| Texas Custom Carts | Active Life | Port Bolivar |
| Friendswood Massage and Acupuncture Clinic | Acupuncture | Friendswood |
| Pharaoh Health and Rehab | Addiction Rehabilitation Center | League City |
| American Adoptions | Adoption Services | League City |
| Wispers Cabaret | Adult Entertainment | Galveston |
| Hazy Daze | Adult Store | Galveston |
| Zoetic Studio Marketing | Advertising Agency | League City |
| Download Galveston County business listings | ||
Galveston County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Galveston County Basemaps
Galveston 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 Galveston County Data Package
This page shows a preview of what's included in the Galveston 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 Galveston County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.