Residential delivery area · Texas
ZIP Code 78732: Steiner Ranch (Austin), TX
ZIP code 78732 is in Steiner Ranch (postal name Austin), Texas, entirely in Travis County (Census 2020 ZIP-county file). About 21,000 people live there (Census Bureau, ACS 2020-2024), the 29th most populous of Austin's 44 residential ZIP codes. Median household income is $192,500 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Steiner Ranch (52%) and Austin (34%); 14% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Austin · 44 residential ZIPs
- County
- Travis County
- Census places
- Steiner Ranch (52%) census-designated place; Austin (34%)
- Neighborhood
- Marshall Ford GeoNames
- Metro area
- Austin-Round Rock-San Marcos, TX
- House districts
- TX-37 (54%), TX-10 (46%) 119th Congress, by share of land
- State
- Texas
- Time zone
- Central
- Land area
- 12.8 sq mi · 1,643 people per sq mi
- PO Box ZIPs
- 30 more ZIP codes use the name Austin for PO boxes or single organizations
Where is ZIP code 78732?
78732 centers on 30.380°, -97.892° and covers 12.8 square miles of land plus 2.8 of water. It borders 6 ZIP codes: 78730, 78734, 78733, 78726, 78738, 78641.
The map draws ZIP code areas only. For the streets inside 78732, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 78732 compare with the rest of Austin?
| Measure | 78732 | In Austin | In Travis County | In TX |
|---|---|---|---|---|
| People (ACS 2020-2024) | 21,087 | 29th of 44 | 38th of 60 | 564th of 1,990 |
| Median household income | $193k | 3rd of 39 | 3rd of 52 | 9th of 1,172 |
| Median home value | $854k | 9th of 41 | 9th of 56 | 19th of 1,172 |
Its median household income is higher than in 99% of U.S. residential ZIP codes, and it is denser than 83% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 78732?
The 2020 Census counted 19,128 people in 78732; the ACS, which samples households over 2020-2024, estimates 21,087. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 21,087
- 2020 Census count
- 19,128
- Households
- 7,580
- Median age
- 37.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 78732?
Of the 21,087 people the ACS estimates in 78732, 30.9% are under 18 and 9.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (63.4%), then Asian (not Hispanic) (13.9%).
- Under 1830.9%
- 18 to 6459.4%
- 65 and older9.7%
- White, not Hispanic63.4%
- Asian, not Hispanic13.9%
- Hispanic or Latino11.2%
- Black, not Hispanic6.7%
- Other or two or more4.8%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 78732 earn?
Median household income is $192,500 (ACS 2020-2024), the 3rd highest of the 52 ranked ZIP codes in Travis County.
- Median household income
- $192,500±$26,980
- Income per person
- $88,295
- Below the poverty line
- 3.2%
- Unemployed (of the labor force)
- 3.4%
- Adults 25+ with a bachelor's degree
- 73.8%
- Adjusted gross income per tax return, 2022
- $312,8487,550 returns; wages 61% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 78732?
FHFA's house price index for 78732, built from repeat sales and appraisals of the same homes, rose 64% from 2015 to 2025 and rose 27% from 2020 to 2025.
- Median home value (owners' estimate)
- $853,900
- Median gross rent
- $1,949
- Homes owned by their occupants
- 72.9%
- Housing units
- 7,940
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 78732?
422 business establishments had a location in this ZIP code in 2023, 67 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services108
- Health care and social assistance48
- Retail trade41
- Real estate and rental and leasing40
- Finance and insurance28
- Administrative and support and waste management and remediation services26
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 78732?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 78730 | Austin | 9,142 | $159k | 3.3 mi |
| 78734 | Austin | 22,145 | $131k | 3.3 mi |
| 78733 | Austin | 9,029 | $206k | 4.1 mi |
| 78726 | Austin | 14,506 | $91k | 4.7 mi |
| 78738 | Austin | 31,019 | $183k | 7.7 mi |
| 78641 | Leander | 99,865 | $135k | 12.4 mi |
| 78645 | Leander | 15,256 | $113k | 6.8 mi (near) |
| 78746 | Austin | 28,256 | $188k | 7.6 mi (near) |
| 78750 | Austin | 29,277 | $122k | 7.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.