78731 Zip Code Map | Maps, Demographics and Population for Austin, TX

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78731 is a 5-digit zip code located in Austin, Texas. Austin is the primary city for 78731 and is located in Williamson. In the most recent US census the population of 78731 was 27240.

There are a total of 13,428 housing units in 78731, Texas. A total of 7.51% (1,009) are currently vacant.

Heading	Statistic
Timezone	GMT-6
City Name	Austin
Housing Units	13,428
Median Home Value	$778,000
Universities	2
Law Enforcement	1 Locations
Hospitals	0

Heading	Statistic
Current Population	27,240*
Avg Income	$98,555
Occupied Houses	13,432
Vacant Houses	1,009
* Population taken from the last census in 2020.

Zip Code Products Showing 78731

Texas 3-Digit Zip Code Map Showing 78731

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County Map Showing 78731, Texas

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You can download our data and files for 78731 here for FREE. If you need any data that isn't available here please get in touch through our contact form.

Population Figures for 78731

Total Population by Age

78731 has a total population of 27,240. In the bar chart and table below, this population is split into 18 different age range segments.

Most inhabitants of 78731 are in the 25 to 29 years age bracket. As of the last census, there are 2,446 people in this segment.

The 80 to 84 years segment is the smallest age range in 78731. There are just 335 people in this category.

Age Range	Population
Under 5	914
5 to 9	1,485
10 to 14	1,406
15 to 19	913
20 to 24	1,646
25 to 29	2,446
30 to 34	2,303
35 to 39	1,852
40 to 44	2,171

Age Range	Population
45 to 49	1,653
50 to 54	1,416
55 to 59	1,379
60 to 64	2,030
65 to 69	1,038
70 to 74	1,216
75 to 79	751
80 to 84	335
Over 85	1,360

Race and Gender Population of 78731

Men make up the highest portion of people in 78731. There are 13,453 men and 12,861 women in this 5-digit zip code.

There are no people who identify as: Native Hawaiian in this 78731 zip code.

Most people in this zip code are White, with a total of 21,430 people in this category.

The chart and table below shows the population of people and which race they belong to in 78731

Gender	Population
Male	13,453
Female	12,861

Race	Population
White	21,430
Black	272
American Indian	31
Asian	2,071
Some other race	426

Real Estate Figures

Median Rent	Median House Value	Median Rooms in House	Most Common Heating Type
$23	$778,000	4.9 rooms	Electricity

Housing Types in 78731 Zip Code

Below are two charts showing the amount of occupied vs vacant homes and the amount of renter vs owner occupied houses in the 78731 zip code.

The 78731 zip code area has a homeowner vacancy rate of 12.05% and a rental vacancy rate of 14.26%. This means there are a total of 1,009 vacant housing units throughout the zip code area. Conversely there are 13,432 housing units that are currently occupied.

Occupied Units	Vacant Units	Owner Vacancy Rate	Rental Vacancy Rate
13,432	1,009	12.05%	14.26%

Owner-Occupied	Renter-Occupied
7,363	6,069

Property Value in 78731

Most homes in 78731 are valued $500,000 to $999,999, with 30,703,080 houses in this category.

There are just 80 houses valued at $500,000 to $999,999. As you can see in the chart and table below, this is the smallest segment in this zip code.

The affordability ratio for the 78731 zip code in Texas is 4.7. This is calculated by dividing the median housing value by the median income and is used to show how affordable a zip code is.

An affordability ratio of 4.7 is generally considered High (Less Affordable).

House Value	Units
Less than $50,000	8,060
$50,000 to $99,999	80
$100,000 to $149,999	201,070
$150,000 to $199,999	103,070
$200,000 to $299,999	303,030

House Value	Units
$300,000 to $499,999	709,070
$500,000 to $999,999	30,703,080
$1,000,000 or more	20,004,070
Median House Value	$778,000

Heating Types for Homes in 78731

There are 5 different heating types used by people in the 78731 zip code area. As you can see from the table and chart below; Utility gas, Bottled, tank, or LP gas, Electricity, Solar energy, No fuel used are the most commonly used heating types in this area.

Electricity is most commonly used to heat homes in 78731. As you can see below, there are 7,099 houses that use this method.

Heating Type	Units
Utility gas	6,104
Bottled, tank, or LP gas	138
Electricity	7,099
Fuel oil, kerosene, etc.	0
Coal or coke	0

Heating Type	Units
Wood	0
Solar energy	23
Other fuel	0
No fuel used	68

Household Income Generated 12-months of 2022

The chart and tables below show the household income segments for households in the 78731. 4.9 of households are on the low end, earning less than $10,000 in 2022.

On the other end, 26.5 of households earned more than $200,000 in the same year. You will also see that the mean income of this zip code is around $166,327.

Most households in 78731 earn in the $200,000 or more range. 26% of households are in this segment.

Income Range	Percent
Less than $10,000	4.9
$10,000 to $14,999	1.7
$15,000 to $24,999	3.5
$25,000 to $34,999	5.2
$35,000 to $49,999	12.9
$50,000 to $74,999	13.5

Income Range	Percent
$75,000 to $99,999	9.4
$100,000 to $149,999	13.2
$150,000 to $199,999	9.2
$200,000 or more	26.5
Mean income	$166,327

Bedrooms, Rooms and Units in Structures in 78731

Below are three pie charts and tables showing the amount of bedrooms, total rooms and structures in houses for this zip code.

Most houses in 78731 have 5 or more bedrooms, with a total of 86 houses.

In regards to rooms in general, people in this zip code have an average of 4.9 rooms in their house. Most houses actually have 3 rooms in their house. 2,415 homes fit into this category.

2,415 homes in 78731 are in the 1-unit, detached category, which is the most common in terms of structures for this area.

The largest homes tracked, which are 20 units or more, make up 1252 of the houses in this zip code. On the other end, 10,965 houses make up the smallest homes, which are 1 unit, mobile homes or boats.

Bedrooms	Units
No bedroom	86
1 bedroom	86
2 bedrooms	86
3 bedrooms	86
4 bedrooms	86
5 or more bedrooms	86

Rooms	Units
1 room	491
2 rooms	1,253
3 rooms	2,415
4 rooms	2,255
5 rooms	1,818
6 rooms	1,163
7 rooms	1,120
8 rooms	1,609
9 rooms or more	2,317
Median rooms	4.9

Units in Structure	Units
1-unit, detached	6841
1-unit, attached	1161
2 units	1161
3 or 4 units	140
5 to 9 units	573
10 to 19 units	1511
20 or more units	1252
Mobile home	2943
Boat, RV, van, etc.	20

Healthcare and Hospitals

Hospitals Database

There are currently no hospital and healthcare locations in the zip code of 78731.

Universities

Universities Database