How much is a home worth in ZIP code 78664?

The typical home in 78664 is worth $344,736, based on the Zillow Home Value Index.

Are home values rising in 78664?

Home values in 78664 are down 6.4% over the past year, and up 0.7% a year over five years.

What is the typical rent in 78664?

A typical home in 78664 rents for about $1,589 a month, a gross rental yield of 5.5%.

What is the property tax rate in 78664?

The effective property tax rate in 78664 is 1.4% — roughly $4,927 a year on a typical home.

ZIP code 78664 has a population of 62,060 and a median household income of $87,417.

HousingHandbookReference data

…

U.S. ZIP Code · TX78664

Williamson County · Austin-Round Rock-San Marcos, TX

Typical home value

$344,736^[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year: -6.4%
5-year / yr: +0.7%
10-year / yr: +4.7%

Relative price

vs U.S.: +21.4%
vs metro: -21.6%
vs state: +31.7%

Price history

Zillow Home Value Index — monthly, smoothed and seasonally adjusted.

The typical home in 78664 is worth $344,736 — 21.6% below the Austin-Round Rock-San Marcos, TX median. Over the past year, values have fallen 6.4%. Homes here rent for a typical $1,589 a month — a 5.5% gross rental yield. The effective property tax rate is 1.4%.

#Rent & investment

Typical asking rent, and the returns it implies at the current home value.

Monthly rent: $1,589^[2]
Gross yield: 5.5%^[2]
Cap rate: 3.3%^[2]

#Property tax

Effective rate — total real estate taxes paid relative to total home value.

Effective tax rate: 1.4%^[3]
Typical annual tax: $4,927^[3]

#Climate risk

FEMA National Risk Index ratings for Williamson County. "Not Applicable" means the hazard does not threaten the county.

Overall risk: Relatively Moderate^[4]
Riverine flood: Relatively Moderate
Coastal flood: Not Applicable
Wildfire: Relatively Low
Drought: Relatively Moderate
Heat wave: Relatively Moderate
Hurricane: Relatively Low
Tornado: Relatively High
Earthquake: Very Low
Winter weather: Very High

#Who lives here

Population: 62,060^[3]
Median household income: $87,417^[3]

#Migration

Household moves in and out of Williamson County over a year, from IRS tax-return data.

Net migration: +7,478^[5]
Moved in: 32,697
Moved out: 25,219

Schools

Open public schools in this ZIP, from the NCES Common Core of Data.

Public schools: 23
Elementary: 13
Middle: 5
High: 4

CEDAR RIDGE H S
High · Grades 9–12 · ROUND ROCK ISD
2,707 students
STONY POINT H S
High · Grades 9–12 · ROUND ROCK ISD
2,541 students
MERIDIAN WORLD SCHOOL LLC
Other · Grades K–12 · MERIDIAN WORLD SCHOOL LLC
1,729 students
RIDGEVIEW MIDDLE
Middle · Grades 6–8 · ROUND ROCK ISD
1,194 students
HOPEWELL MIDDLE
Middle · Grades 6–8 · ROUND ROCK ISD
1,148 students

Run the numbers

Interactive calculators pre-filled with this ZIP's typical home value, rent, and property-tax rate. Edit any field to recompute.

Home value$Monthly rent$

Gross yield5.5%

Net yield (after ~40% expenses)3.3%

Annual rent$19,065

Gross and net yield are estimates based on the inputs and the selected expense ratio. Actual income and expenses will vary by property and market. Not investment advice.

Home price$Down payment%Interest rate%Loan termyears

Monthly payment$1,743

Loan principal$275,789

Down payment$68,947

Total interest paid$351,753

Estimated monthly payments include principal and interest only. Actual costs will include property tax, insurance, possibly PMI, and HOA fees not modeled here. Loan terms shown are estimates; consult a licensed lender for current rates and qualification.

Home price$Monthly rent$Down payment%Mortgage rate%Property tax rate% / yrMaintenance% / yrRule of thumb: 1% of home value per year.

Own : rent ratio1.54

Monthly cost to own$2,441

Monthly rent$1,589

Renting is meaningfully cheaper month-to-month.

This calculator projects multi-year scenarios based on assumptions about appreciation, rent growth, and investment returns — none of which are guaranteed. Actual outcomes depend on variables this tool cannot know. Not financial or real estate advice.

#Metro ranking

Where this ZIP sits among others in its metro area.

Appreciation: 39th percentile^[1]
Rental yield: 79th percentile^[2]
Property tax: 77th percentile^[3]

Frequently asked

How much is a home worth in ZIP code 78664?: The typical home in 78664 is worth $344,736, based on the Zillow Home Value Index.
Are home values rising in 78664?: Home values in 78664 are down 6.4% over the past year, and up 0.7% a year over five years.
What is the typical rent in 78664?: A typical home in 78664 rents for about $1,589 a month, a gross rental yield of 5.5%.
What is the property tax rate in 78664?: The effective property tax rate in 78664 is 1.4% — roughly $4,927 a year on a typical home.
Who lives in 78664?: ZIP code 78664 has a population of 62,060 and a median household income of $87,417.

#Comparable ZIPs

Same metro, nearest typical home value. Each card shows the comparable ZIP's headline numbers so you can scan at a glance.

78753 vs 78664 →
Austin, TX
Typical home
$344,231
Gross yield
4.5%
78957 vs 78664 →
Rosanky CDP, TX
Typical home
$347,483
Gross yield
—
78634
Hutto, TX
Typical home
$340,450
Gross yield
6.1%
78705
Austin, TX
Typical home
$336,342
Gross yield
6.1%
78655
Martindale, TX
Typical home
$335,994
Gross yield
—
78602
Camp Swift CDP, TX
Typical home
$355,137
Gross yield
6.1%

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#Jump to section

U.S. ZIP Code · TX78664

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