Market Overview for Zip Code 78665
There are 268 active listings in Zip Code 78665 with a median list price of $420K and a median sold price of $385K.
Homes average 62 days on market.
Most homes that closed in the last 90 days sold in the $300K-$500K range (75% of 170 closings), taking a median 37 days to go under contract; 18% of closings were $500K or more.
Over the past 30 days, 49 homes have sold, with 788 sales in the past 12 months.
The average price per square foot is $199.
About Zip Code 78665
Zip code 78665 covers the southern and southeastern portions of Round Rock, extending into the Hutto border area east of SH-130 in Williamson County. This zip code includes several large master-planned communities built during the 2000s and 2010s, including Paloma Lake, Siena, Settlers Crossing, and portions of Teravista. The area developed as Round Rock expanded south and east to meet housing demand from Austin's tech-sector growth. The terrain is relatively flat Blackland Prairie, transitioning to gently rolling terrain near Brushy Creek in the western sections of the zip code.
Real estate in 78665 is dominated by single-family homes in master-planned subdivisions, from three-bedroom plans in Settlers Crossing to five-bedroom properties in Paloma Lake and Siena. Builders active in the area include Taylor Morrison, Meritage Homes, and Lennar. Lot sizes average 5,000 to 8,000 square feet in standard subdivisions, with some properties on quarter-acre lots in premium sections. Multi-family options are limited, though some apartment complexes exist along SH-130 and University Boulevard.
Students in 78665 attend Round Rock ISD, which serves approximately 45,971 students (2025-26) district-wide and holds a TEA "B" accountability rating (89 of 100, 2025-26). Elementary schools in this area include Elsa England Elementary, Union Hill Elementary, and Deep Wood Elementary. Secondary students attend Hernandez Middle School or Walsh Middle School and feed into Stony Point High School or Cedar Ridge High School. Several campuses in the zone have received state and national recognition for academic performance. Round Rock ISD offers dual-language immersion programs at select elementary campuses and a robust gifted and talented track.
The 78665 zip code sits at the intersection of SH-130 and University Boulevard, providing toll road access to Austin-Bergstrom International Airport in approximately 25 minutes. Downtown Austin is reachable in 25 to 35 minutes via I-35 or SH-130. The Dell Technologies headquarters is less than 10 minutes west, and the Apple campus on Parmer Lane is approximately 15 minutes south. H-E-B Plus on University Boulevard serves as the primary grocery anchor, and a Costco is located nearby at La Frontera. Medical services include Ascension Seton Williamson hospital, about 10 minutes west on SH-45.
Living in Zip Code 78665
The population of 78665 is predominantly dual-income professionals employed in the technology and healthcare sectors. Median household income is approximately $95,000, reflecting the concentration of tech-industry workers commuting to nearby Dell, Apple, Amazon, and Oracle campuses. The median age is in the mid-30s. Most subdivisions have active HOAs that maintain common areas, pools, and trail networks.
Daily amenities in 78665 center on the master-planned community facilities and nearby retail corridors. Paloma Lake has a 3,000-square-foot amenity center with a junior Olympic pool, sports courts, and a stocked fishing pond. Cat Hollow Park and Meadow Lake Park provide additional green space with trails and playgrounds. The University Boulevard corridor has a concentration of restaurants ranging from Korean barbecue and Indian cuisine to Tex-Mex and ramen shops. Grocery options include H-E-B Plus, 99 Ranch Market in north Austin (15 minutes south), and a Costco. Weekend recreation includes the Round Rock Express baseball games at Dell Diamond and hiking at Brushy Creek Regional Trail, a 6.7-mile paved path accessible from the western edge of the zip code.
Things to Do in Zip Code 78665
- Paloma Lake Amenity Center: Community center with a junior Olympic swimming pool, splash pad, sand volleyball courts, and a stocked fishing pond open to residents.
- Cat Hollow Park: Round Rock city park with a disc golf course, playground, basketball courts, and 1.5-mile walking trail.
- Brushy Creek Regional Trail: 6.7-mile paved multi-use trail running along Brushy Creek. Accessible from the western edge of 78665 for cycling and jogging.
- Dell Diamond: Home of the Round Rock Express Triple-A baseball team, a 10-minute drive west. Friday night fireworks shows during the season.
- University Boulevard Dining: Corridor with over 30 restaurants including Korean, Indian, Vietnamese, Tex-Mex, and Japanese cuisine options.
Major Employers in Zip Code 78665
- Dell Technologies (Technology): Headquartered in Round Rock with over 13,000 local employees. The main campus is less than 10 minutes from 78665.
- Apple Inc. (Technology): Apple's Austin campus on Parmer Lane employs over 7,000 people, approximately 15 minutes south of 78665.
- Ascension Seton Williamson (Healthcare): Full-service hospital on SH-45 with approximately 1,200 employees providing emergency, maternity, and surgical services.
- Round Rock ISD (Education): Employs approximately 6,200 staff across roughly 60 campuses serving the Round Rock and surrounding area.
Zip Code 78665 Schools
Round Rock ISD serves 78665 with approximately 45,971 students (2025-26) district-wide, a TEA "B" accountability rating (89 of 100) for 2025-26, and dual-language programs at select campuses.
School District: Round Rock ISD
Public Schools
Round Rock Independent School District
Hutto Independent School District
Pre-Schools
- Round Rock ISD Pre-K - Free public pre-K program for qualifying households at multiple elementary campuses.
- Goddard School Round Rock - Accredited private preschool on University Boulevard serving infants through pre-K.
Private Schools
- Round Rock Christian Academy - Pre-K through 12th grade campus on Sam Bass Road, about 10 minutes west.
- St. William Catholic School - Pre-K through 8th grade school affiliated with St. William parish in Round Rock.
Frequently Asked Questions
Where is zip code 78665?
78665 covers southern and southeastern Round Rock in Williamson County, east of SH-130. It is approximately 20 to 25 miles north of downtown Austin.
What kinds of homes are in 78665?
Zip code 78665 is dominated by single-family homes in master-planned communities such as Paloma Lake, Siena, Settlers Crossing, and portions of Teravista, built largely in the 2000s and 2010s by builders including Taylor Morrison, Meritage Homes, and Lennar. Multi-family options are limited to some apartment complexes along SH-130 and University Boulevard. Current listing counts and median price are shown on the Market Overview tab.
What school district serves 78665?
Round Rock ISD serves 78665 with elementary schools like Elsa England and Deep Wood, and Stony Point High School for secondary. The district holds a TEA "B" accountability rating (89 of 100) for 2025-26.
How far is 78665 from Austin-Bergstrom Airport?
Austin-Bergstrom International Airport is approximately 25 minutes south of 78665 via SH-130 toll road, or 35 to 40 minutes via I-35 depending on traffic.
Is 78665 good for tech workers?
78665 is within 15 minutes of Dell, Apple, Amazon, and Oracle campuses in Round Rock and north Austin. Median household income exceeds $95,000, reflecting the tech-sector workforce.
