RentDataNowRentDataNow
ZIP Code · TX

ZIP 78665

Pop. 66,171·Williamson County·271st most expensive ZIP in Texas
Median rent (all units)
$1,682/mo
Year-over-Year
+5.7%
Month-over-Month
+4.6%
vs US Median
-$283
Rising (Monthly)
Be the first to discuss 78665 rents ↓
Most AffordableMost Expensive
ZIP 78665 · $1,682
More affordable than 60% of US ZIP codes · National median $1,965/mo
Rent check

Is your rent fair?

Compare your rent to the local median.

Medians by bedroom

Rent by unit size

Studio
$1,259
1 BR
$1,334
2 BR
$1,580
3 BR
$2,004
4 BR+
$2,354
Research median
$1,580/mo

Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).

Rent trends

12-month history

Loading…

Last updated: July 20, 2026

Annual cost
$20,184/yr
At $1,682/mo median
Location
StateTX
CountyWilliamson County
Rent Market Meter
Strong Landlord's Market
Renter's MarketBalancedLandlord's Market
Rents are up 5.7% year-over-year. Expect competition, and move quickly to lock in terms.
Based on rent-price momentum (+5.7% YoY, +4.6% MoM), not inventory.
Demographics

Who lives here

ZIP 78665 (Round Rock, TX) is majority owner-occupied, has a large share of families with children, has a median income above the national average, 53.6% of residents hold a bachelor's degree or higher.

Population
66,171
Median income
$122,680
Median age
35.5
Renters
38.6%
Age distribution
25.5%
23.5%
31.7%
Under 1825.5%
18–3423.5%
35–5431.7%
55–648.9%
65+10.4%
Gender
50.3%
49.7%
Male50.3%
Female49.7%
Race & ethnicity
49.1%
24.3%
White49.1%
Black11.8%
Hispanic24.3%
Asian11.6%
Other3.2%
Education (25+)
15.8%
27.3%
53.6%
No HS diploma3.4%
HS diploma15.8%
Some college27.3%
Bachelor's+53.6%
Housing tenure
61.4%
38.6%
Owner61.4%
Renter38.6%

Source: U.S. Census Bureau · ACS 2024 5-Year Estimates

2021 vs 2026

How ZIP 78665 in Round Rock, TX has changed in 5 years

Rent
$1,445 → $1,682
up 16.4%
Income
$105,407 → $122,680
up 16.4%
Population
59,935 → 66,171
up 10.4%
Renter share
32.9% → 38.6%
+5.7 pts
Bachelor's+
49% → 53.6%
+4.6 pts

The median rent in ZIP 78665 in Round Rock, TX stood at $1,445 in 2021 and currently runs about $1,682, reflecting a 16.4% increase over the period. Household income in the area moved from $105,407 to $122,680 across the same window, up 16.4% versus 2021. The population has grown by 10.4% since 2021, moving from about 59,935 residents to roughly 66,171. Renters now make up 38.6% of households, compared with 32.9% five years ago. College-educated residents now make up 53.6% of adults here, versus 49% in 2021. Reading these numbers side by side helps frame whether current listings in ZIP 78665 in Round Rock, TX look reasonable against where the market sat half a decade ago.

Community

Discussions about ZIP 78665

No discussions yet. Start the conversation.

Local insights

Tips for renters in ZIP 78665

About renting in ZIP 78665

Last updated: July 20, 2026

ZIP code 78665 covers Round Rock, TX. The median rent here is $1,682/mo as of July 2026. A 1-bedroom rents for a median of $1,334/mo. A 2-bedroom rents for a median of $1,580/mo.

At 16% of local median household income ($122,680/yr), ZIP 78665 ranks as affordable compared to the national benchmark of 30%. Rents have increased 5.7% over the past year.

FAQ

Frequently asked questions

How much is rent in ZIP code 78665?

As of July 20, 2026, the median monthly rent in ZIP 78665 (Round Rock, TX) is $1,682. This is based on aggregated data from public sources and community submissions.

How does ZIP 78665 rent compare to the US average?

ZIP 78665's median rent of $1,682/mo is $283 (14%) below the US national median of $1,965/mo.

How does ZIP 78665 compare to other ZIPs in Texas?

ZIP 78665 falls in the middle range for Texas, ranking #271 out of 689 ZIPs at $1,682/mo.

How much income do you need to rent in ZIP 78665?

To keep rent at or below 30% of gross income, you would need to earn at least $67,000/year (~$32/hour full-time) to afford the median rent of $1,682/mo in ZIP 78665. The local median household income is $122,680/yr, meaning the typical household meets that threshold.

Is rent going up or down in ZIP 78665?

Rent in ZIP 78665 has increased 5.7% over the past year as of July 20, 2026, putting upward pressure on renter budgets.

Is ZIP 78665 an affordable place to rent?

ZIP 78665 is considered very affordable for renters. At $1,682/mo, rent takes approximately 16% of the local median household income ($122,680/yr). The standard benchmark is 30%. ZIP 78665 falls comfortably within that range.

What percentage of ZIP 78665 residents rent vs. own?

According to Census data, approximately 38.6% of ZIP 78665 households are renters, while 61.4% are owner-occupied. ZIP 78665 leans toward homeownership, which can mean a smaller rental inventory.

How does ZIP 78665 compare to the rest of Round Rock?

ZIP 78665 is more affordable than Round Rock overall. At $1,682/mo, it's $31 below the Round Rock citywide median of $1,713/mo.

When was rent data for ZIP 78665 last updated?

Rent data for ZIP 78665 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
16%
VERY AFFORDABLE

At $1,682/mo, rent takes ~16% of ZIP 78665's median household income ($122,680/yr). The standard benchmark is 30%.

ZIP 78665 16%Benchmark 30%
State income taxNone
Compare

How does this area stack up?

Pick another city or ZIP to compare.

Schools nearby

Public schools near ZIP 78665 (Round Rock, TX)

Recent submissions

Be the first to submit your rent for this ZIP.

Recent discussions

No discussions yet.