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ZIP Code · TX

ZIP 78681

Pop. 56,691·Williamson County·173rd most expensive ZIP in Texas
Median rent (all units)
$1,824/mo
Year-over-Year
+10.7%
Month-over-Month
-0.8%
vs US Median
-$141
Falling (Monthly)
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Most AffordableMost Expensive
ZIP 78681 · $1,824
More expensive than 50% of US ZIP codes · National median $1,965/mo
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Medians by bedroom

Rent by unit size

Studio
$1,660
1 BR
$1,760
2 BR
$2,090
3 BR
$2,650
4 BR+
$3,120
Research median
$2,090/mo

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

Rent trends

12-month history

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Last updated: July 20, 2026

Annual cost
$21,888/yr
At $1,824/mo median
Location
StateTX
CountyWilliamson County
Rent Market Meter
Strong Landlord's Market
Renter's MarketBalancedLandlord's Market
Rents are up 10.7% year-over-year. Expect competition, and move quickly to lock in terms.
Based on rent-price momentum (+10.7% YoY, -0.8% MoM), not inventory.
Demographics

Who lives here

ZIP 78681 (Round Rock, TX) is majority owner-occupied, has a large share of families with children, has a median income above the national average, 58% of residents hold a bachelor's degree or higher.

Population
56,691
Median income
$137,819
Median age
39.3
Renters
26.1%
Age distribution
26.7%
17%
34.3%
Under 1826.7%
18–3417%
35–5434.3%
55–6410.8%
65+11.3%
Gender
51.3%
48.7%
Male51.3%
Female48.7%
Race & ethnicity
61.8%
22%
13%
White61.8%
Black4.6%
Hispanic22%
Asian13%
Education (25+)
12.2%
25.7%
58%
No HS diploma4.1%
HS diploma12.2%
Some college25.7%
Bachelor's+58%
Housing tenure
73.9%
26.1%
Owner73.9%
Renter26.1%

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

2021 vs 2026

How ZIP 78681 in Round Rock, TX has changed in 5 years

Rent
$1,477 → $1,824
up 23.5%
Income
$112,020 → $137,819
up 23.0%
Population
57,451 → 56,691
down 1.3%
Renter share
25.6% → 26.1%
+0.5 pts
Bachelor's+
53.9% → 58%
+4.1 pts
Median age
38.6 → 39.3
+0.7 yrs

Rent in ZIP 78681 in Round Rock, TX has increased 23.5% since 2021, going from about $1,477 per month to roughly $1,824 today. Census figures show median household income at $137,819 today, compared with $112,020 five years earlier. Headcount in the area went from 57,451 to 56,691 between 2021 and 2024, a 1.3% change. Educational attainment has shifted as well, with the share of adults holding a bachelor's degree or higher climbed from 53.9% to 58%. The combined trend lines point to a market that has changed measurably from where it stood in early 2021.

Community

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Local insights

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About renting in ZIP 78681

Last updated: July 20, 2026

ZIP code 78681 covers Round Rock, TX. The median rent here is $1,824/mo as of July 2026. A 1-bedroom rents for a median of $1,760/mo. A 2-bedroom rents for a median of $2,090/mo.

At 16% of local median household income ($137,819/yr), ZIP 78681 ranks as affordable compared to the national benchmark of 30%. Rents have increased 10.7% over the past year.

FAQ

Frequently asked questions

How much is rent in ZIP code 78681?

As of July 20, 2026, the median monthly rent in ZIP 78681 (Round Rock, TX) is $1,824. This is based on aggregated data from public sources and community submissions.

How does ZIP 78681 rent compare to the US average?

ZIP 78681's median rent of $1,824/mo is $141 (7%) below the US national median of $1,965/mo.

How does ZIP 78681 compare to other ZIPs in Texas?

ZIP 78681 is one of the pricier ZIP codes in Texas, ranking #173 out of 689 ZIPs tracked at $1,824/mo.

How much income do you need to rent in ZIP 78681?

To keep rent at or below 30% of gross income, you would need to earn at least $73,000/year (~$35/hour full-time) to afford the median rent of $1,824/mo in ZIP 78681. The local median household income is $137,819/yr, meaning the typical household meets that threshold.

Is rent going up or down in ZIP 78681?

Rent in ZIP 78681 has increased 10.7% over the past year as of July 20, 2026, putting upward pressure on renter budgets.

Is ZIP 78681 an affordable place to rent?

ZIP 78681 is considered very affordable for renters. At $1,824/mo, rent takes approximately 16% of the local median household income ($137,819/yr). The standard benchmark is 30%. ZIP 78681 falls comfortably within that range.

What percentage of ZIP 78681 residents rent vs. own?

According to Census data, approximately 26.1% of ZIP 78681 households are renters, while 73.9% are owner-occupied. ZIP 78681 leans toward homeownership, which can mean a smaller rental inventory.

How does ZIP 78681 compare to the rest of Round Rock?

ZIP 78681 is pricier than Round Rock as a whole. At $1,824/mo, it's $111 above the Round Rock citywide median of $1,713/mo.

When was rent data for ZIP 78681 last updated?

Rent data for ZIP 78681 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
16%
VERY AFFORDABLE

At $1,824/mo, rent takes ~16% of ZIP 78681's median household income ($137,819/yr). The standard benchmark is 30%.

ZIP 78681 16%Benchmark 30%
State income taxNone
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