78731 Zip Code Population and Demographics

In this article, we'll explore the population statistics for the zip code 78731, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

78731 is a zip code in Travis County, Texas, which covers Austin CCD and Northwest Travis, with a total population of 26,506 people.

We are using the latest American Community Survey (ACS) 5-Year survey data from the US Census Bureau, which is accurate up to 2021.

Table of Contents

Population

There is a lot of data that lets us see how many people live in the 78731 zip code. The most basic data is the total population, which is the total number of people living in 78731.

The estimated population of people living in 78731 is 26,506, with a median age of 40.4.

We can look back at data from previous years to see how the population in the 78731 area has changed over the last 5 years.

Year Population Change 5-Year Change
2021
26,506
 -4.19% -3.43%
2020
27,664
+1.34%
-
2019
27,298
+0.45%
-
2018
27,175
 -0.99% -
2017
27,447
 - -

Population of 78731 by Race and Ethnicity

How much has the race and ethnicity of the population in the 78731 zip code changed? The US Census Bureau gives us a few defined types that the population is broken down into.

Let's look at the total numbers and also the change over the last 5 years.

Race 2021 2017 Change
White
76%
76%
 0.00%
Black/African American
1.1%
2.6%
 -57.69%
Native
0.2%
0.3%
 -33.33%
Hispanic
11.4%
10.1%
 +12.87%
Asian
8.8%
8%
 +10.00%
Hawaiian/Pacific Islander
0%
0.1%
 -100.00%
Two Or More Races
2.6%
2.8%
 -7.14%
Other
0%
0.2%
 -100.00%

This data can be very important for anybody studying the 78731 zip for a number of reasons, including social and economic research, planning and development, and marketing to a multi-cultural population.

Note that the Native group includes both Native American and Alaskan Native people.

Population of 78731 by Age and Gender

We can also monitor the change of the age and gender in the 78731 zip code to track track trends in the population over time.

We can see how the population in 78731 has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 40.4 +1.25% 37.7 +3.57% 42.7 -1.39%
2020 39.9 -0.5% 36.4 -4.46% 43.3 +3.84%
2019 40.1 +2.56% 38.1 -1.04% 41.7 +4.77%
2018 39.1 +2.36% 38.5 +2.67% 39.8 +2.58%
2017 38.2 - 37.5 - 38.8 -

The median age of the 78731 zip gives you an idea of the age distribution, with half of the population being older than the median age and half being younger.

This can then be used to infer and compare against birth rates, parent ages, and more metrics to understand the population. For example, an increasing median age indicates an aging population in the 78731 area, which can be a sign of a declining population in terms of birth rates and workforce participation.

Age 2021 2017
(Years) Male Female Male Female
0 to 9 1,400 +3.52% 1,583 -24.37% 1,444 1,220
10 to 19 1,375 -17.7% 1,253 -0.43% 1,130 1,212
20 to 29 2,181 +23.31% 2,547 -53.87% 2,615 1,420
30 to 39 2,015 +7.5% 1,956 0.28% 2,089 1,952
40 to 49 1,620 +10.08% 1,560 +26.12% 1,786 1,973
50 to 59 1,872 -25.6% 1,919 -23.62% 1,425 1,475
60 to 69 1,417 +18.78% 1,722 -4.56% 1,689 1,634
70+ 1,239 +17.34% 1,788 +11.27% 1,460 1,982

Median Household Income

The latest median household income for the 78731 zip code is $92,641.00.

In simple terms, the median income is the middle income of a group of people. Half of the people in the group make more than the median income, and half make less.

The median income is a good indicator of the overall income of a group of people, and can be used to compare against other metrics such as the average income, per capita income, and more.

Median Income by Age

We can also look at the median income by age to see how the median income varies by age, and how it compares to the overall median income for 78731.

  • Under 25
    $49,600.00
  • 25 to 44
    $83,807.00
  • 45 to 64
    $144,438.00
  • 65 and over
    $80,225.00

Average Household Income

Whenever we ask what is the average household income in the 78731 zip code, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in 78731, and then dividing that number by the total number of households.

This is a good way to get a general idea of the average income of a group of people, but it can be skewed by a very high or very low incomes.

The average household income of 78731 is currently $152,741.00.

In terms of accurately summarizing income at a geographic level, the median income is a better metric than the average income because it isn't affected by a small number of very high or very low incomes.

If you had an area where the average income was greater than the median, it can mean that there is significant income inequality, with income being concentrated in a small number of wealthy households.

24.01% of households in 78731 are classed as high income households (making $200,000+ per year).

Household Income Tiers

The US Census Bureau divides households into income tiers based on the median income for the area. This is a good way to compare the income of 78731 against other zip codes.

  • Less than $24,999
    11.77%
  • $25,000 to $49,999
    17.99%
  • $50,000 to $74,999
    13.80%
  • $75,000 to $99,999
    9.43%
  • $100,000 to $149,999
    13.78%
  • $150,000 to $199,999
    9.22%
  • $200,000 or more
    24.01%

Per Capita Income

The per capita income in 78731 is $76,879.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of 78731 by the total population of 78731.

This is different from the average or mean income because it includes and accounts for all people living in the 78731 area, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in 78731 to see how many people have a high school degree, a bachelor's degree, or a graduate degree.

Educational attainment is a good indicator of the overall education level of a population, and can be used to compare against other metrics such as the average income, per capita income, and more to see how education levels affect income, unemployment rates, and more.

  • Master's degree or higher
    35.51%
  • Bachelor's degree
    56.72%
  • Some college or associate's degree
    2.62%
  • High school diploma or equivalent
    4.86%
  • Less than high school diploma
    0.30%

Employment

Employment rates are all based around the total population in 78731 that are over the age of 16.

Currently, the total population of the 78731 zip over the age of 16 is 22,308.

Of those people, a total of 66.90% are working or actively looking for work. This is called the labor force participation rate.

The participation rate is a useful market measure because it shows the relative amount of labor resources available to the economy.

The employment to total population rate in 78731 is 64.40%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate. Here's how that breaks down for the 78731 zip code.

Age Population Participation Unemployment Rate
16 to 19 years 808 38.00% 3.90%
20 to 24 years 1,578 75.30% 2.40%
25 to 29 years 2,457 89.90% 0.70%
30 to 34 years 2,125 80.60% 3.90%
35 to 44 years 3,979 86.40% 3.70%
45 to 54 years 3,037 80.90% 7.00%
55 to 59 years 1,559 80.10% 2.60%
60 to 64 years 2,151 64.90% 3.30%
65 to 74 years 2,264 33.80% 2.20%
75 years and over 2,350 8.70% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in 78731. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau (which we mentioned earlier in this article).

Age Population Participation Unemployment Rate
White 18,807 65.40% 4.10%
Black or African American 272 50.40% 0.00%
American Indian and Alaska Native 44 100.00% 0.00%
Asian 2,029 76.80% 1.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 152 90.80% 0.00%
Two or more races 1,004 74.20% 0.00%
Hispanic or Latino 2,240 81.70% 4.50%
Not Hispanic or Latino 17,353 64.20% 3.80%

Occupations

In this section we can look at the most common occupations for people living in the 78731 area as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in 78731 is 14,361, with median earnings of $68,386.00.

Women in 78731 are earning approximately 70.10% of the men's earnings.

Population Earnings
Total 14,361 $68,386.00
Male 7,684 $84,355.00
Female 6,677 $59,109.00

Occupations by Category

In the table below, we can break down the population and earnings for 78731 even further by occupation. The list of occupation categories below will show you how many people are employed in each category and the median earnings of each profession.

Occupation Employed Earnings
Management 2,476 $128,297.00
Business and Financial 1,101 $92,458.00
Computer and Mathematical 1,493 $85,313.00
Architecture and Engineering 820 $71,056.00
Life, Physical, and Social Science 536 $67,727.00
Community and Social Service 55 $65,764.00
Legal 670 $165,278.00
Educational and Library 1,741 $35,469.00
Arts, Design, Entertainment, Sports, and Media 709 $69,145.00
Healthcare Practitioners 1,102 $83,239.00
Healthcare Support 81 $14,097.00
Firefighters and Protective Service 64 $0.00
Law Enforcement 7 $0.00
Food Preparation and Serving 552 $20,119.00
Building and Grounds Cleaning 39 $0.00
Personal Care and Service 334 $26,500.00
Sales 1,287 $90,694.00
Office and Administrative Support 917 $43,487.00
Farming, Fishing, and Forestry 10 $0.00
Construction and Extraction 102 $49,231.00
Installation, Maintenance, and Repair 33 $34,375.00
Production 72 $36,458.00
Transportation and Material Moving 124 $47,000.00

Occupations by Gender

Now we can also look at the occupations by category for 78731 when it is broken down by male and female.

This lets us see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings for 78731.

That last metric is important because it can be used to look at the gender pay gap between men and women.

Occupation Male Female
Population Earnings Population Earnings
Management 1,435 $155,964.00 1,041 $105,596.00
Business and Financial 562 $90,500.00 539 $93,603.00
Computer and Mathematical 1,250 $79,688.00 243 $106,838.00
Architecture and Engineering 660 $71,556.00 160 $67,222.00
Life, Physical, and Social Science 288 $82,580.00 248 $66,667.00
Community and Social Service 18 $0.00 37 $49,028.00
Legal 380 $195,417.00 290 $142,250.00
Educational and Library 726 $36,029.00 1,015 $34,723.00
Arts, Design, Entertainment, Sports, and Media 346 $84,351.00 363 $56,458.00
Healthcare Practitioners 270 $250,001.00 832 $64,767.00
Healthcare Support 15 $0.00 66 $14,028.00
Firefighters and Protective Service 64 $0.00 0 $0.00
Law Enforcement 7 $0.00 0 $0.00
Food Preparation and Serving 255 $20,875.00 297 $5,781.00
Building and Grounds Cleaning 18 $0.00 21 $0.00
Personal Care and Service 71 $43,586.00 263 $12,350.00
Sales 809 $96,850.00 478 $68,750.00
Office and Administrative Support 196 $68,333.00 721 $42,368.00
Farming, Fishing, and Forestry 10 $0.00 0 $0.00
Construction and Extraction 102 $49,231.00 0 $0.00
Installation, Maintenance, and Repair 33 $34,375.00 0 $0.00
Production 38 $0.00 34 $42,250.00
Transportation and Material Moving 114 $47,670.00 10 $0.00

Households and Family Size

A household is defined by the US Census Bureau as a group of people who occupy a housing unit. A housing unit is a house, apartment, mobile home, group of rooms, or single room occupied as separate living quarters.

There are currently 13,148 households in 78731, with an average household size of 2.01 people.

A family is defined as a group of two or more people related by birth, marriage, or adoption who live together in the same household.

There are 6,480 families living in the 78731 zip code with an average family size of 2.75 people.

Households by Marital Status

The four categories of household by marital status are:

  • Married-couple family
  • Male householder with no spouse present
  • Female household with no spouse present
  • Nonfamily household

The table below shows the total number of households and families, with the average sizes of each, that live in 78731:

Married Male Female Nonfamily
Total Households 5,605 190 685 6,668
Average Household Size 2.82 2.53 2.58 1.26
Total Families 5,605 190 685 0
Average Household Size 2.81 2.24 2.39 0

Poverty

Of the 6,480 families living in 78731, 4.50% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in 78731:

Household Size Poverty Threshold
1 Person $14,580.00
2 People $19,720.00
3 People $24,860.00
4 People $30,000.00
5 People $35,140.00
6 People $40,280.00
7 People $45,420.00
8 People $50,560.00

Housing

There are 14,029 housing units in 78731.

The table below shows the split between occupied and vacant units:

Total Percentage
Occupied 13,148 93.72%
Vacant 881 6.28%

42.80% of the total 14,029 housing units in 78731 are rental units. This is approximately 6,005 properties.

For owner-occupied housing units, a total of 7,085 are occupied by the owner - or 50.50% of the total.

Rental Rates

The median rent for a property in 78731 is $1,396.00.

In the chart below, we can look at the number of rental properties in 78731 that fall into a particular rent range. These can then be used to compare with other areas, or to see how they have changed over time.

  • No rent paid
    58
  • Less than $500
    48
  • $500 to $999
    537
  • $1,000 to $1,499
    3,088
  • $1,500 to $1,999
    1,348
  • $2,000 to $2,499
    462
  • $2,500 to $2,999
    116
  • $3,000 or more
    406

Property Value

The median value of a property in 78731 is $674,600.00.

Just like with rental rates, we can look at the number of properties in 78731 that fall into a particular value range.

  • Less than $50,000
    43
  • $50,000 to $99,999
    0
  • $100,000 to $149,999
    240
  • $150,000 to $199,999
    156
  • $200,000 to $299,999
    343
  • $300,000 to $499,999
    1,142
  • $500,000 to $999,999
    3,837
  • $1,000,000 or more
    1,324

Property Age

We can also look at the age of properties in 78731. The chart below shows the number of properties in 78731 that fall into a particular age range.

  • 1939 or earlier
    142
  • 1940 to 1949
    155
  • 1950 to 1959
    1,901
  • 1960 to 1969
    1,686
  • 1970 to 1979
    4,380
  • 1980 to 1989
    3,203
  • 1990 to 1999
    1,566
  • 2000 to 2009
    484
  • 2010 to 2013
    503
  • 2014 or later
    9

Vehicles per Household

The number of vehicles available per household can be a good indicator of the level of affluence in an area. The chart below shows the number of households in 78731 that have a particular number of vehicles available.

  • No vehicles available
    961
  • 1 vehicle available
    5,241
  • 2 vehicles available
    5,351
  • 3 or more vehicles available
    1,595

Commuting to Work

In this section, we can also look at how people in 78731 get to work. The chart below shows the number of people in 78731 that commute to work in a particular way.

19.7 minutes is the average travel time to work for people in 78731.

These commute times can be compared to other date like income and educational levels to see how they relate to each other and if there are any trends in the data that might suggest a correlation.

  • Less than 5 minutes
    205
  • 5 to 9 minutes
    971
  • 10 to 14 minutes
    1,382
  • 15 to 19 minutes
    2,789
  • 20 to 24 minutes
    2,569
  • 25 to 29 minutes
    805
  • 30 to 34 minutes
    1,076
  • 35 to 39 minutes
    136
  • 40 to 44 minutes
    283
  • 45 to 59 minutes
    275
  • 60 to 89 minutes
    141
  • 90 or more minutes
    41

Summary

We've covered a LOT of demographic and population data for 78731 in this article! Hopefully you have found it very useful in your research of the area.

If you use any of the data found on this page, please consider linking back to USPopulation.org as the source and if you have any feedback or data requests, click here to contact us.

States in 78731

If you want to see how the population and demographics of 78731 compare to other zip codes in Texas, check out the list of all Texas zip codes below: