U.S. ZIP Code · TX78640
Hays County · Austin-Round Rock-San Marcos, TX
Appreciation
- 1-year
- -7.7%
- 5-year / yr
- +0.7%
- 10-year / yr
- +3.7%
Relative price
- vs U.S.
- +6.7%
- vs metro
- -31.1%
- vs state
- +15.8%
Price history
Zillow Home Value Index — monthly, smoothed and seasonally adjusted.
The typical home in 78640 is worth $303,106 — 31.1% below the Austin-Round Rock-San Marcos, TX median. Over the past year, values have fallen 7.7%. Homes here rent for a typical $1,698 a month — a 6.7% gross rental yield. The effective property tax rate is 1.6%.
#Rent & investment
Typical asking rent, and the returns it implies at the current home value.
#Property tax
Effective rate — total real estate taxes paid relative to total home value.
#Climate risk
FEMA National Risk Index ratings for Hays 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
- Relatively High
#Who lives here
#Migration
Household moves in and out of Hays County over a year, from IRS tax-return data.
- Net migration
- +3,310[5]
- Moved in
- 13,744
- Moved out
- 10,434
Schools
Open public schools in this ZIP, from the NCES Common Core of Data.
- Public schools
- 15
- Elementary
- 9
- Middle
- 3
- High
- 1
LEHMAN H S
High · Grades 9–12 · HAYS CISD
2,099 students
LAURA B NEGLEY EL
Elementary · Grades PK–5 · HAYS CISD
1,016 students
CAMINO REAL EL
Elementary · Grades PK–5 · HAYS CISD
904 students
D J RED SIMON MIDDLE
Middle · Grades 6–8 · HAYS CISD
824 students
UHLAND EL
Elementary · Grades PK–5 · HAYS CISD
797 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 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.
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.
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.
Frequently asked
- How much is a home worth in ZIP code 78640?
- The typical home in 78640 is worth $303,106, based on the Zillow Home Value Index.
- Are home values rising in 78640?
- Home values in 78640 are down 7.7% over the past year, and up 0.7% a year over five years.
- What is the typical rent in 78640?
- A typical home in 78640 rents for about $1,698 a month, a gross rental yield of 6.7%.
- What is the property tax rate in 78640?
- The effective property tax rate in 78640 is 1.6% — roughly $4,953 a year on a typical home.
- Who lives in 78640?
- ZIP code 78640 has a population of 77,531 and a median household income of $90,075.
#Comparable ZIPs
Same metro, nearest typical home value. Each card shows the comparable ZIP's headline numbers so you can scan at a glance.
Elgin, TX
- Typical home
- $298,112
- Gross yield
- 7.7%
Austin, TX
- Typical home
- $292,900
- Gross yield
- 7.1%
San Marcos, TX
- Typical home
- $318,193
- Gross yield
- 5.3%
Taylor, TX
- Typical home
- $287,063
- Gross yield
- 7.7%
Granger, TX
- Typical home
- $319,531
- Gross yield
- —
Lockhart, TX
- Typical home
- $286,167
- Gross yield
- 6.9%
Want similar ZIPs from outside this metro? Browse nationally similar ZIPs →
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Pit ZIP 78640 against any other ZIP — full side-by-side table.
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