Austin, TX 78738 ZIP Code Profile

Related Place Profiles:
Austin, TX | Bee Cave, TX | Lakeway, TX | The Hills, TX

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ZIP Code 78738: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Austin, TX 78738

Acceptable Alternative
Bee Cave, TX 78738
Bee Caves, TX 78738
Lakeway, TX 78738
The Hills, TX 78738
Village of the Hills, TX 78738
Vlg O the Hls, TX 78738

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 661
  • Single Family Addresses: 6,728
  • Multi-Family Addresses: 1,705
  • County: Travis County
  • Centroid: Latitude 30.319, Longitude -97.937
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 78738 has segments in 2 Counties (Hays, Travis).

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


78738 ZIP Code Map

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Austin, TX 78738 Data & Demographics (As of July 1, 2017)


Total Population 20,380
Daytime Population: Workers 9,930
Daytime Population: Residents 10,996
Total Daytime Population (TDP) 20,926
Ratio TDP/Total Population1 1.03
Population in Households 20,355
Population in Familes 18,099
Population in Group Qrtrs 25
Population Density2 433
Diversity Index3 39


Median Household Income $125,787
Average Household Income $171,362
Per Capita Income $64,069


Total Housing Units 8,175 (100%)
Owner Occupied HU 5,643 (69.0%)
Renter Occupied HU 1,971 (24.1%)
Vacant Housing Units 561 ( 6.9%)
Median Home Value $529,962
Average Home Value $576,134


Total Households 7,614
Average Household Size 2.67
Family Households 5,875
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 6.47% 3.52%
Households 6.56% 3.56%
Families 6.4% 3.41%
Median Household Income   1.99%
Per Capita Income   2.02%

Austin, TX 78738 - Peer Comparisons by Rank and Percentile

The table below compares 78738 to the other 1,848 ZIP Codes in Texas by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 547 70th
Population Density # 651 65th
Diversity Index # 1472 20th
Median Household Income # 26 99th
Per Capita Income # 32 98th

Additional comparisons and rankings can be made with a VERY EASY TO USE Texas Census Data Comparison Tool.

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