Austin County, TX ZIP codes
There are 8 ZIP codes in Austin County, TX, in 8 towns, from 77418 to 78950. The largest are 77474 (Sealy), 77418 (Bellville) and 77485 (Wallis). 1 more crosses into it from a neighbouring county: 78933.
The county seat is Bellville.
- ZIP codes
- 8
- Partly in it
- 1 more
- Towns
- 8
- County seat
- Bellville
- County FIPS
48015- State
- Texas
- Population
- 31,170
- Median household income
- $75,789
- Land area
- 646 sq mi
- Area code
- 979
- Metro area
- Houston-Pasadena-The Woodlands
Austin County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
ZIP codes partly in Austin County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Austin County.
- 78933 Cat Spring · mostly in Colorado County
Map of Austin County ZIP codes
The ZIP codes of Austin County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Austin County in numbers
About 31,170 people live in Austin County, in 12,128 households, the 93rd most populous of Texas's 254 counties. The median household income is $75,789 a year, 3% below the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $296,900 (5% above the Texas median), and median gross rent is $1,137 a month. The median age is 41.1; 25.1% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 29 minutes.
| Population | 31,170 |
|---|---|
| Households | 12,128 |
| Median age | 41.1 |
| Median household income | $75,789 |
| Median home value | $296,900 |
| Median gross rent | $1,137 |
| Bachelor's degree or higher | 25.1% |
| Mean commute | 28.5 min |
| Population density | 48 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Austin County
| Town | ZIP codes | Population |
|---|---|---|
| Sealy | 1 | 7,053 |
| Bellville | 1 | 4,221 |
| Wallis | 1 | 1,701 |
| San Felipe | 1 | 1,334 |
| Industry | 1 | 235 |
| Bleiblerville | 1 | 185 |
| New Ulm | 1 | 185 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Austin County.
Not sure you are in Austin County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Austin County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
77418 | Bellville , TX | Standard | 10,171 | $90,611 | $344,400 |
77452 | Kenney , TX | No street area | — | — | — |
77473 | San Felipe , TX | Standard | 49 | — | — |
77474 | Sealy , TX | Standard | 15,146 | $75,272 | $287,600 |
77485 | Wallis , TX | Standard | 4,378 | $51,742 | $224,700 |
78931 | Bleiblerville , TX | Standard | 185 | — | — |
78944 | Industry , TX | Standard | 720 | $126,806 | $384,100 |
78950 | New Ulm , TX | Standard | 2,300 | $91,354 | $247,700 |
Cite this page
zipcodes.pro. “Austin County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/tx/county/austin
Underlying data is public domain or openly licensed — sources, vintages and licences.