HousingHandbookReference data

U.S. ZIP Code · TX78645

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

Typical home value

$425,155[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year
-5.9%
5-year / yr
+1.4%
10-year / yr
+4.2%

Relative price

vs U.S.
+49.7%
vs metro
-3.3%
vs state
+62.4%
ZIP 78645 location in TX
Location of ZIP 78645 in TX

Price history

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

The typical home in 78645 is worth $425,155 — 3.3% below the Austin-Round Rock-San Marcos, TX median. Over the past year, values have fallen 5.9%. Homes here rent for a typical $2,186 a month — a 6.2% gross rental yield. The effective property tax rate is 1.3%.

#Rent & investment

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

Monthly rent
$2,186[2]
Gross yield
6.2%[2]
Cap rate
3.7%[2]

#Property tax

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

Effective tax rate
1.3%[3]
Typical annual tax
$5,713[3]

#Climate risk

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

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

#Who lives here

Population
15,256[3]
Median household income
$113,008[3]

#Migration

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

Net migration
+647[5]
Moved in
56,461
Moved out
55,814

Schools

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

Public schools
4
Elementary
2
Middle
1
High
1
  • LAGO VISTA H S

    High · Grades 9–12 · LAGO VISTA ISD

    676 students

  • LAGO VISTA EL

    Elementary · Grades PK–3 · LAGO VISTA ISD

    521 students

  • LAGO VISTA MIDDLE

    Middle · Grades 6–8 · LAGO VISTA ISD

    418 students

  • LAGO VISTA INT

    Elementary · Grades 4–5 · LAGO VISTA ISD

    231 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.

Gross yield6.2%
Net yield (after ~40% expenses)3.7%
Annual rent$26,234

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.

Monthly payment$2,150
Loan principal$340,124
Down payment$85,031
Total interest paid$433,809

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.

Own : rent ratio1.36
Monthly cost to own$2,979
Monthly rent$2,186

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
49th percentile[1]
Rental yield
88th percentile[2]
Property tax
58th percentile[3]

Frequently asked

How much is a home worth in ZIP code 78645?
The typical home in 78645 is worth $425,155, based on the Zillow Home Value Index.
Are home values rising in 78645?
Home values in 78645 are down 5.9% over the past year, and up 1.4% a year over five years.
What is the typical rent in 78645?
A typical home in 78645 rents for about $2,186 a month, a gross rental yield of 6.2%.
What is the property tax rate in 78645?
The effective property tax rate in 78645 is 1.3% — roughly $5,713 a year on a typical home.
Who lives in 78645?
ZIP code 78645 has a population of 15,256 and a median household income of $113,008.

#Comparable ZIPs

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

  • Austin, TX

    Typical home
    $423,439
    Gross yield
  • Austin, TX

    Typical home
    $426,876
    Gross yield
    4.1%
  • Austin, TX

    Typical home
    $422,858
    Gross yield
    5.1%
  • Cedar Creek CDP, TX

    Typical home
    $429,752
    Gross yield
  • Austin, TX

    Typical home
    $415,653
    Gross yield
    4.0%
  • Austin, TX

    Typical home
    $436,578
    Gross yield
    3.7%

Want similar ZIPs from outside this metro? Browse nationally similar ZIPs →

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