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Round Rock, Texas ZIP Code

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Round Rock, Texas ZIP Code Guide

Round Rock, Texas, covers several ZIP codes that each have their own character, mix of neighborhoods, and conveniences. Whether you’re moving to Round Rock, exploring housing options, or just learning about the city, here’s a breakdown of its main ZIP codes:

ZIP Code 78664

Area Covered: Central and East Round Rock, including the historic “Old Town” area.
Highlights:
• Home to Downtown Round Rock, with shops, restaurants, and entertainment.
• Includes the Round Rock Donuts bakery—an iconic local landmark.
• Round Rock High School and older established neighborhoods.
Vibe: Historic, family-friendly, with a mix of older homes and redeveloped areas.

ZIP Code 78665

Area Covered: Eastern and Northeastern Round Rock.
Highlights:
• Includes Texas State University–Round Rock Campus and Seton Medical Center Williamson.
• Rapidly growing area with many newer subdivisions and master-planned communities.
• Close to Dell Diamond (home of the Round Rock Express minor league baseball team) and Kalahari Resorts.
Vibe: Suburban growth hub, popular with families and professionals seeking newer housing.

ZIP Code 78681

Area Covered: Western Round Rock, stretching toward Cedar Park and Brushy Creek.
Highlights:
• Known for highly-rated schools in the Round Rock ISD.
• Features established neighborhoods with larger lots and mature trees.
• Easy access to I-35 and SH-45 Toll Road for commuting.
Vibe: Established suburban area with a balance of convenience and community.

ZIP Code 78728 (Shared with North Austin/Pflugerville)

Area Covered: Southern Round Rock, along the Austin border.
Highlights:
• Close to Dell headquarters, making it a popular area for tech workers.
• Convenient to both Round Rock and Austin amenities.
• Mix of single-family homes, apartments, and townhomes.
Vibe: A blend of suburban and urban, perfect for commuters who want fast Austin access.

Quick Tips for Choosing a ZIP Code in Round Rock

✅ For Historic Charm & Downtown Access: Choose 78664.
✅ For Newer Homes & Growth Areas: Go with 78665.
✅ For Established Suburbs & Top Schools: Look at 78681.
✅ For Commuters Close to Austin & Dell: Consider 78728.

What is Round Rock, Texas known for?
Round Rock is known for being the headquarters of Dell Technologies, its thriving economy, sports facilities, and the famous Round Rock Donuts.
Where is Round Rock located?
Round Rock is in Central Texas, about 15 miles north of downtown Austin.
How far is Round Rock from Austin?
Round Rock is approximately a 20–25 minute drive from Austin, depending on traffic.
What are the main zip codes in Round Rock?
Key Round Rock zip codes include 78664, 78665, 78680, 78681, 78682, and 78683.
What is the population of Round Rock?
As of 2022 estimates, Round Rock has a population of about 126,000 residents.
What type of climate does Round Rock have?
Round Rock has a humid subtropical climate with hot summers and mild winters.
What is the best time to visit Round Rock?
Spring (March–May) and fall (September–November) are the most comfortable times to visit.
Why is Round Rock called “Round Rock”?
The city was named after a large, round rock in Brushy Creek that served as a landmark for early settlers.
When was Round Rock founded?
Round Rock was established in 1851 and was originally called Brushy Creek.
What industries drive Round Rock’s economy?
Key industries include technology, manufacturing, healthcare, retail, and education.
Is Dell headquartered in Round Rock?
Yes, Dell Technologies has its global headquarters in Round Rock, employing thousands locally.
What are the largest shopping centers in Round Rock?
Popular centers include Round Rock Premium Outlets and La Frontera shopping district.
Why is Round Rock called the “Sports Capital of Texas”?
Round Rock has world-class sports facilities, including baseball, soccer, cricket, disc golf, and more.
What sports facilities are available in Round Rock?
Old Settlers Park, Dell Diamond, and Round Rock Multipurpose Complex are key venues.
Who are the Round Rock Express?
The Round Rock Express is a Triple-A minor league baseball team affiliated with the Texas Rangers.
What movies were filmed in Round Rock?
Movies like The Texas Chain Saw Massacre (1974) and The Rookie (2002) were filmed here.
What is the Texas Chainsaw Massacre connection to Round Rock?
Many scenes from the 1974 horror classic were filmed in Round Rock, making it a film landmark.
What schools and universities are in Round Rock?
Round Rock is served by Round Rock ISD and is home to Texas State University Round Rock Campus and Austin Community College.
What is the cost of living in Round Rock?
Round Rock’s cost of living is slightly below the national average, with affordable housing compared to Austin.
What is the median home price in Round Rock?
The median home value is around $350,000, depending on the neighborhood.
What is the average household size in Round Rock?
The average household size is about 2.87 people.
What is the median age of Round Rock residents?
The median age in Round Rock is 32 years old, making it a young and family-friendly city.
What is the racial and ethnic makeup of Round Rock?
Round Rock is diverse, with significant White, Hispanic, African American, and Asian populations.
What are Round Rock’s sister cities?
Round Rock’s sister cities are Lake Macquarie, Australia, and Sabinas Hidalgo, Mexico.
Does Round Rock have public transportation?
Capital Metro provides limited bus service, but most residents rely on cars.
What hospitals and healthcare facilities are in Round Rock?
Major providers include Baylor Scott & White Medical Center and Ascension Seton Williamson.
What parks and recreation options are available in Round Rock?
Old Settlers Park, Brushy Creek Regional Trail, and the Rock’N River Waterpark are popular spots.
What notable people are from Round Rock?
Notables include sports figures, musicians, and entrepreneurs connected to Central Texas.
What major highways connect Round Rock to nearby cities?
I-35, SH-45, and SH-130 connect Round Rock to Austin, Georgetown, and beyond.
Is Round Rock a good place to live for families?
Yes, Round Rock is known for excellent schools, safe neighborhoods, and family-friendly amenities.