PlainZIP

Austin, TX · standard

ZIP Code 78731

Travis County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

24,614
1,097/sq mi
$105,494
Median income
$903,200
Median home value
78.3%
Bachelor's or higher

The verdict

Austin pairs an upper-quartile household income with top-decile home values, in a low-density, mixed-tenure area.

Top 16%
household income, US ZIPs
Top 3%
home value, US ZIPs
1,097
people per sq mi
53%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 78731 against every reporting US ZIP.

ZIP code 78731 is a densely settled ZIP (a standard USPS delivery area) in Austin, Travis County, Texas, with 24,614 residents across 22.4 square miles, a density of 1,097 people per square mile, in the Chicago time zone.

ZIP 78731 lands in the middle-income range, with a median household income of $105,494 (40% above the Texas average), while per-capita income is $94,483. 6.0% of residents live below the poverty line, and the unemployment rate reads 4.6%. Housing costs here run $903,200 for a typical home value (265% above the state average), with rent averaging $1,737 a month; 53.1% of homes are owner-occupied.

This is a highly-educated ZIP: 78.3% of adults hold a bachelor's degree or higher, the median age is 42.3, and the average commute is 21 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Travis County, so you can benchmark 78731 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 78731

Top 5 sectors by establishment count in Austin, TX

Which industries have the most business establishments in ZIP 78731.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 78731, Austin, TX · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

24,614

Population

22.4

Area (sq mi)

1,097

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 78731?

42.3

Median Age

52.5%

Male

47.5%

Female

11.7%

Foreign-Born

White 77.1%
African American 2.4%
Asian 7.7%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.3%
Two or More Ethnicities 10.9%
Hispanic or Latino 13.2%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$105,494

Median Household Income

+40% vs state

$94,483

Per Capita Income

6.0%

Poverty Rate

4.6%

Unemployment Rate

20.9 min

Mean Commute Time

How ZIP 78731 ranks nationally

Austin, TX household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$105,494 Top 16% higher than 84% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 84.9%
Bachelor's Degree or Higher 78.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

15,163

Total Housing Units

14,343

Occupied Units

820

Vacant Units

1.91

Avg Household Size

Occupancy Type

Owner 53.1%
Renter 46.9%

$903,200

Median Home Value

+265% vs state

$1,737

Median Rent

1980

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

-0.1%

YoY Change (2024)

344

HPI Index (2000 = 100)

+244%

Total Change Since 2000

Home values in ZIP 78731 have decreased 0.1% over the past year (2024). Since 2000, this ZIP has seen +244% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.9% 262
2021 +12.7% 295
2022 +20.4% 355
2023 -3.1% 344
2024 -0.1% 344

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 2,255 business establishments in ZIP 78731, employing approximately 24,680 people with a combined annual payroll of $1,850,666,000.

2,255

Businesses

24,680

Employees

$1.9B

Annual Payroll

18

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 684 30.3%
Health care and social assistance 370 16.4%
Real estate and rental and leasing 191 8.5%
Finance and insurance 161 7.1%
Administrative and support and waste management and remediation services 133 5.9%
Other services (except public administration) 127 5.6%
Retail trade 105 4.7%
Construction 102 4.5%
Information 78 3.5%
Accommodation and food services 70 3.1%
Educational services 51 2.3%
Wholesale trade 50 2.2%
Transportation and warehousing 46 2.0%
Arts, entertainment, and recreation 36 1.6%
Manufacturing 25 1.1%
Management of companies and enterprises 16 0.7%
Utilities 4 0.2%
Mining, quarrying, and oil and gas extraction 3 0.1%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 78731 vs 78757 →

ZIP 78731 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 78731 ranks #4 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 78731 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 78731 ranks #4 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
78757 Austin, TX 21,310 2.2 mi
78756 Austin, TX 7,194 2.4 mi
78703 Austin, TX 19,690 3.7 mi
78759 Austin, TX 38,891 3.8 mi
78752 Austin, TX 18,064 4.0 mi
78751 Austin, TX 14,385 3.7 mi
78705 Austin, TX 31,340 4.1 mi
78730 Austin, TX 7,955 4.3 mi
78746 Austin, TX 26,928 4.3 mi
78712 Austin, TX 860 4.8 mi

More ZIP Codes in Travis County

78660 standard
Pflugerville, TX
Pop: 68,789
78745 standard
Austin, TX
Pop: 55,614
78753 standard
Austin, TX
Pop: 49,301
78741 standard
Austin, TX
Pop: 44,935
78758 standard
Austin, TX
Pop: 44,072
78744 standard
Austin, TX
Pop: 42,820

Related Areas

Travis County Austin, TX Texas

Frequently Asked Questions

What county is ZIP code 78731 in? ▼
ZIP code 78731 (Austin) is located in Travis County, Texas. Travis County contains multiple ZIP codes, see the full list at /counties/travis-tx.
What is the population of ZIP code 78731? ▼
ZIP code 78731 in Austin, TX has a population of 24,614 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 78731? ▼
The median household income in ZIP 78731 is $105,494, which is 38% above the national average of $76,288.
What is the average home value in ZIP 78731? ▼
The median home value in ZIP 78731 is $903,200, which is 225% above the national average of $278,155.
What is the demographic makeup of ZIP 78731? ▼
The largest racial group in ZIP 78731 is White at 77.1%. Hispanic or Latino residents make up 13.2% of the population.
How many businesses are in ZIP code 78731? ▼
ZIP code 78731 has 2,255 business establishments employing approximately 24,680 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 78731? ▼
The top industries by establishment count in ZIP 78731 are: Professional, scientific, and technical services (684), Health care and social assistance (370), Real estate and rental and leasing (191). There are 18 industry sectors represented in total.
How have home values changed in ZIP code 78731? ▼
According to the FHFA House Price Index, home values in ZIP 78731 decreased by 0.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 244%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 78731? ▼
In ZIP code 78731, 84.9% of residents aged 25+ have a high school diploma or higher, and 78.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 78731? ▼
The mean commute time for workers in ZIP code 78731 is 20.9 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 78731? ▼
In ZIP code 78731, approximately 53.1% of occupied housing units are owner-occupied and 46.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 78731? ▼
The poverty rate in ZIP code 78731 is 6.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.