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Round Rock city, TX

ZIP 78665 — Housing & Real Estate

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLarge CommunityLow Snow AreaRemote Work Hub

Home values, rent, tenure, and housing stock

Housing & Real Estate in ZIP Code 78665

Median Home Value
$438,700
Median Rent
$1,717
Affordability Snapshot
$121,000
Est. income to buy

Household income needed for a median home under a 20% down / 6.8% illustrative mortgage model (~$2,818/mo PITI).

18%
Rent-to-Income Ratio

Below the 30% threshold — generally affordable for median earners.

3.7x
Home Price-to-Income Ratio

Within the typical 3-5x range for home affordability.

21.3 yrs
Price-to-Rent Ratio

Years to break even buying vs renting at median home value and rent.

To comfortably buy a median-priced home in ZIP 78665 in Round Rock city, TX, a household would need roughly $121,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $2,818. That is roughly in line with the local median household income ($117,240). Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Housing Tenure

Owner-occupied majority; balanced tenure mix.

Heating Fuel
Housing Metrics
Owner Occupied
63.8%-2% vs US avg
x
Vacancy Rate
5.5%-47% vs US avg
x
Broadband Access
97.3%+12% vs US avg
x
4+ Bedrooms
7.6%-49% vs US avg
x
Built Pre-1939
0.2%-98% vs US avg
x
Built Post-2014
6.9%+0% vs US avg
x
Rent Burden >30%
23.0%-54% vs US avg
x
Mortgage-Free
22.5%-41% vs US avg
x
$438,700
Home Value
$1,717
Rent
2010
Year Built
2018
Moved In

Residents have lived here since ~2018 on average

Housing Structure

Census ACS structure types (single-family, multi-unit, etc.).

  • 1-unit detached75.1%
  • 1-unit attached0.6%
  • 2-9 units2.0%
  • 10+ units22.3%
  • Mobile home & other0.0%

Housing & Real Estate key statistics

Housing statistics
Housing
Median home value$438,700
Median rent$1,717
Owner-occupied63.8%
Vacant5.5%
Price-to-income3.7x
Est. income to buy$121,000