Austin County GIS Maps
Austin County, Texas, has 30,167 residents across 21,606 parcels and covers 646.5 square miles. The population grew 6.2% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Austin County is 48015.
Sealy is the county's largest population center. Austin County also includes 7 zip codes, 5 public school districts and 15 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.
Austin County Trends
- Population
- 30,167▴
- Median Home Value
- $270,900▴
- K-12 Enrollment
- 12,821▴
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.
Austin 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.
Austin County Parcels
Austin County has 21,606 mapped parcels covering 405,341 acres. The median assessed value is $283,236. The median lot size is 2.11 acres. 6,455 parcels are 10 acres or larger. The records carry 15,207 distinct owner names. About 3% 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 Austin County Parcel viewer here.
Austin County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 21,608 | 100% |
| Owner name | 21,547 | 99.7% |
| Owner mailing address | 21,608 | 100% |
| Site address | 21,608 | 100% |
| Land use code | 21,547 | 99.7% |
| Land use description | 0 | 0% |
| Assessed value | 21,608 | 100% |
| Land value | 21,608 | 100% |
| Improvement value | 21,608 | 100% |
| Acreage | 21,608 | 100% |
| Parcel boundary | 21,606 | 99.9% |
| Download all Austin County parcels. | ||
Field coverage measured across all Austin County parcel records.
Austin County Population
Austin County had 30,167 residents in 2020. That was 6.2% higher than in 2010. Austin County added 6,577 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 47 people per square mile. Some of the county's most populated postal areas include Sealy, Bellville and Wallis.
Population Trend in Austin County TX
Austin County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Austin County Zip Codes
Austin County has 7 zip codes. Some of the county's most populated zip codes include Sealy (77474), Bellville (77418) and Wallis (77485). Sealy is the largest zip by population, with about 14,164 residents or 47% of the county total. Together, the three largest zips account for about 92% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Austin County TX
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 77474 | Sealy | 14,164 | ▴ 10.8% |
| 77418 | Bellville | 10,037 | ▴ 4.7% |
| 77485 | Wallis | 3,657 | ▾ -9.8% |
| 78950 | New Ulm | 2,151 | ▴ 5.5% |
| 78944 | Industry | 532 | ▾ -5.3% |
| Download all zip code data | |||
Austin County Zip Code populations and trends per most recent census data.
Austin County Demographics
Austin County has a median age of 41.6, which makes the county a little older than Texas overall. About 23.6% of residents are under 18, while 20.9% 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 29.1% 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 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 Austin County TX
Median Age
41.6
Under 18
23.6%
Age 65+
20.9%
Bachelor's+
23.4%
Austin County School Districts
Austin County is served by 5 public school districts with 12,821 students enrolled in 2024. The largest districts on the county map are Brenham Independent, Sealy Independent and Bellville Independent. Those three districts account for about 80% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, based on district totals from 2017 to 2024.
Largest School Districts by Enrollment in Austin County TX
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Brenham Independent School District | 4,872 | 38% | ▴ 0.1% |
| Sealy Independent School District | 3,109 | 24.2% | ▴ 3.6% |
| Bellville Independent School District | 2,315 | 18.1% | ▴ 1.4% |
| Columbus Independent School District | 1,659 | 12.9% | ▴ 1.4% |
| Brazos Independent School District | 866 | 6.8% | ▴ 0.8% |
| Download all school district data | |||
Austin County school district enrollment and trends per most recent NCES reporting data.
Austin County Housing & Real Estate
Austin County has a median home value of $270,900 and a median gross rent of $1,111. About 77% 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 below the state average. In March 2026, the median listing price was $386,950 and homes spent about 66 days on the market.
Austin County Housing Mix
Austin County housing mix: owner, renter and vacant units.
Austin County Housing Trends
Austin County median home value and rent trend (last 5 years).
Businesses in Austin County, TX
Austin County has 1,432 business listings across 394 categories. The largest categories in Austin County business listings are Churches & Religious Organizations (57, 4.0%), Auto Repair (39, 2.7%), and Gas Stations (38, 2.7%). The full Austin County business listings dataset includes names, categories, addresses and contact details where available. Austin County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Austin County, TX
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 57 | 4.0% |
| Auto Repair | 39 | 2.7% |
| Gas Stations | 38 | 2.7% |
| Contractors | 25 | 1.7% |
| Public And Government Association | 17 | 1.2% |
| Community & Nonprofits | 17 | 1.2% |
| Insurance Agencies | 16 | 1.1% |
| Farm | 16 | 1.1% |
| Event Planning | 16 | 1.1% |
| Parks & Recreation | 14 | 1.0% |
Austin County Business Listings
| Business | Category | City |
|---|---|---|
| The Prairie Recovery Center | Abuse And Addiction Treatment | Round Top |
| Artist's Hideaway | Accommodation | Bellville |
| Defender Ledger | Accountant | Bellville |
| Greater Houston Soaring Association | Active Life | Wallis |
| Restoration Acupuncture and Wellness | Acupuncture | Bellville |
| Hook & Stag | Adventure Sports Center | Sealy |
| Running Luce Ranch | Agricultural Cooperatives | Cat Spring |
| Postive Feed Ltd | Agricultural Service | Sealy |
| Richter's Feed Store | Agriculture | Bellville |
| Gloster Aerodrome | Airport | Sealy |
| Download Austin County business listings | ||
Austin County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Austin County Basemaps
Austin 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 Austin County Data Package
This page shows a preview of what's included in the Austin 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 Austin County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.