Residential delivery area · Texas
ZIP Code 78717: Austin, TX
ZIP code 78717 is in Austin, Texas, entirely in Williamson County (Census 2020 ZIP-county file). About 37,000 people live there (Census Bureau, ACS 2020-2024), the 10th most populous of Austin's 44 residential ZIP codes. Median household income is $145,325 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Austin (72%) and Brushy Creek (15%), and under 1% in smaller places; 13% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- IRS2022
- Town
- Austin · 44 residential ZIPs
- County
- Williamson County
- Census places
- Austin (72%); Brushy Creek (15%) census-designated place
- Metro area
- Austin-Round Rock-San Marcos, TX
- House districts
- TX-10 (70%), TX-37 (30%) 119th Congress, by share of land
- State
- Texas
- Time zone
- Central
- Land area
- 13.0 sq mi · 2,856 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 78717?
78717 centers on 30.490°, -97.754° and covers 13.0 square miles of land plus 0.1 of water. It borders 5 ZIP codes: 78729, 78750, 78613, 78681, 78728.
The map draws ZIP code areas only. For the streets inside 78717, 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).
How does 78717 compare with the rest of Austin?
| Measure | 78717 | In Austin | In Williamson County | In TX |
|---|---|---|---|---|
| People (ACS 2020-2024) | 37,262 | 10th of 44 | 10th of 27 | 270th of 1,990 |
| Median household income | $145k | 10th of 39 | 1st of 22 | 46th of 1,172 |
| Median home value | $652k | 21st of 41 | 2nd of 24 | 45th of 1,172 |
Its median household income is higher than in 96% of U.S. residential ZIP codes, and it is denser than 88% 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 78717?
The 2020 Census counted 36,987 people in 78717; the ACS, which samples households over 2020-2024, estimates 37,262. Between the 2010 and 2020 censuses its population grew 64.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 37,262
- 2020 Census count
- 36,987+64.1% since 2010 (22,538)
- Households
- 14,939
- Median age
- 36.8
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 78717?
Of the 37,262 people the ACS estimates in 78717, 25.2% are under 18 and 9.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (38.7%), then Asian (not Hispanic) (32.5%).
- Under 1825.2%
- 18 to 6465.0%
- 65 and older9.7%
- White, not Hispanic38.7%
- Asian, not Hispanic32.5%
- Hispanic or Latino17.2%
- Other or two or more5.9%
- Black, not Hispanic5.8%
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 78717 earn?
Median household income is $145,325 (ACS 2020-2024), the highest of the 22 ranked ZIP codes in Williamson County. It is not measurably different from 2015-2019 ($138,147 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $145,325
- Income per person
- $73,886
- Below the poverty line
- 5.0%
- Unemployed (of the labor force)
- 2.4%
- Adults 25+ with a bachelor's degree
- 68.9%
- Adjusted gross income per tax return, 2022
- $154,65817,140 returns; wages 80% 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 78717?
- Median home value (owners' estimate)
- $652,200
- Median gross rent
- $1,867
- Homes owned by their occupants
- 51.3%
- Housing units
- 15,361
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 78717?
741 business establishments had a location in this ZIP code in 2023, 170 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services160
- Retail trade92
- Accommodation and food services88
- Health care and social assistance60
- Real estate and rental and leasing59
- Other services (except public administration)58
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 78717?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 78729 | Austin | 30,460 | $86k | 2.2 mi |
| 78750 | Austin | 29,277 | $122k | 3.9 mi |
| 78613 | Cedar Park | 89,956 | $126k | 4.1 mi |
| 78681 | Round Rock | 56,691 | $138k | 4.2 mi |
| 78728 | Austin | 26,777 | $75k | 4.7 mi |
| 78727 | Austin | 29,958 | $110k | 4.7 mi (near) |
| 78759 | Austin | 43,182 | $102k | 6.0 mi (near) |
| 78664 | Round Rock | 62,060 | $87k | 6.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.