Austin County, TX ZIP Codes
9 ZIP codes cover all or part of Austin County, Texas. The Census Bureau counts 31,170 residents in the county, with a median household income of $75,789 and a median home value of $296,900. Median household income ranges from $51,742 in 77485 to $91,354 in 78950. Its largest communities include Sealy, Bellville, Wallis, San Felipe and Simonton.
Austin County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 31,170 |
| Households | 12,128 |
| Median household income | $75,789 |
| Median home value | $296,900 |
| Median age | 41.1 |
| Median rent | $1,137 |
All 9 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 36,351 |
| Households (sum of ZIP codes) | 14,152 |
| Median household income, range across ZIP codes | $51,742 (77485) to $91,354 (78950) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $77,876 |
| Homeowners | 77.4% |
| Households with kids under 18 | 32.3% |
| Moved in the past year | 9.8% |
| Carrier routes in EDDM2GO's route library | 29 routes, 15,795 homes (8 of 9 ZIP codes) |
Top facts
- Highest median household income in Austin County: 78950 ($91,354)
- Most residents: 77474 (15,146 people)
- Highest homeownership: 78950 (85.4% own their home)
- Most households with kids: 77474 (35.1% of households)
- Most new movers: 77426 (17.3% moved in last year)
- Youngest median age: 77485 (35.8 years)
- Highest median home value: 77426 ($592,300)
Every ZIP code in Austin County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 77474 | Sealy | 15,146 | 5,861 | $75,272 | $287,600 | 79.1% | 35.1% | 10.3% | 10 | 7,028 | 98% of its land |
| 77418 | Bellville | 10,171 | 3,886 | $90,611 | $344,400 | 73.1% | 34.8% | 9.5% | 7 | 4,817 | 100% of its land |
| 77485 | Wallis | 4,378 | 1,714 | $51,742 | $224,700 | 77.8% | 34.0% | 11.5% | 3 | 1,423 | 60% of its land |
| 78950 | New Ulm | 2,300 | 980 | $91,354 | $247,700 | 85.4% | 18.0% | 2.4% | 3 | 1,216 | 69% of its land |
| 77426 | Chappell Hill | 2,007 | 829 | $80,446 | $592,300 | 69.5% | 25.6% | 17.3% | 2 | 1,078 | 21% of its land |
| 78933 | Cat Spring | 1,395 | 506 | $68,444 | $272,600 | 82.8% | 21.9% | 0.0% | 2 | 789 | 30% of its land |
| 78944 | Industry | 720 | 293 | $126,806 | $384,100 | 85.7% | 15.7% | 13.2% | 1 | 206 | 100% of its land |
| 78931 | Bleiblerville | 185 | 70 | — | — | 81.4% | 31.4% | 22.2% | 1 | 106 | 100% of its land |
| 77473 | San Felipe | 49 | 13 | — | — | 0.0% | 46.2% | 0.0% | — | — | 100% of its land |
A ZIP code is listed for Austin County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Sealy — 7,053 residents · 1 ZIP code
- Bellville — 4,221 residents · 1 ZIP code
- Wallis — 1,701 residents · 1 ZIP code
- San Felipe — 1,334 residents · 2 ZIP codes
- Simonton — 914 residents · 2 ZIP codes
- Brazos Country — 619 residents · 1 ZIP code
- Industry — 235 residents · 1 ZIP code
- South Frydek — 221 residents · 1 ZIP code
- New Ulm — 185 residents · 1 ZIP code
Metro maps
- Houston ZIP code map — 238 ZIP codes
Rankings
- Richest ZIP codes in Austin County — 6 ZIP codes ranked
- ZIP codes with the highest home values in Austin County — 6 ZIP codes ranked
- ZIP codes with the highest homeownership in Austin County — 6 ZIP codes ranked
- ZIP codes with the most families with kids in Austin County — 6 ZIP codes ranked
- ZIP codes with the most new movers in Austin County — 6 ZIP codes ranked
- Youngest ZIP codes in Austin County — 6 ZIP codes ranked
- Oldest ZIP codes in Austin County — 6 ZIP codes ranked
- Fastest-growing ZIP codes in Austin County — 6 ZIP codes ranked
Price a mailing to Austin County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Austin County, TX?
- 77474, 77418, 77485, 78950, 77426, 78933, 78944, 78931 and 77473. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Austin County?
- 31,170 residents in 12,128 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Austin County?
- $75,789 for the county as a whole. Its ZIP codes range from $51,742 (77485) to $91,354 (78950).
- Which Austin County ZIP code has the highest median household income?
- 78950, at $91,354, among ZIP codes with at least 1,000 residents. See the full ranking of Austin County ZIP codes by income.
- How many carrier routes and mailboxes are in Austin County?
- For the 8 of 9 ZIP codes in EDDM2GO's stored route library: 29 carrier routes reaching 15,795 residential and 870 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.