Market Overview for Zip Code 78664
There are 194 active listings in Zip Code 78664 with a median list price of $355K and a median sold price of $354K.
Homes average 51 days on market.
Over the past 30 days, 36 homes have sold, with 512 sales in the past 12 months.
The average price per square foot is $201.
About Zip Code 78664
Zip code 78664 covers the eastern portion of Round Rock, a city of approximately 143,000 people in Williamson County approximately 20 miles north of downtown Austin. This zip code spans from Interstate 35 eastward to State Highway 130, encompassing established neighborhoods such as Forest Creek, Greenslopes, and Mesa Ridge. The area developed primarily during the 1990s and 2000s as Round Rock grew from a small town into a city of more than 140,000. Major roadways including I-35, SH-130, and University Boulevard provide commuter access to employment centers in north Austin, Cedar Park, and Georgetown.
Real estate in 78664 consists primarily of single-family homes in planned subdivisions. Forest Creek is a golf course community built in the late 1990s with homes averaging 2,000 to 3,500 square feet. Townhomes and condominiums are available near La Frontera and along I-35. Lot sizes in established neighborhoods typically range from 6,000 to 10,000 square feet, with some estate lots exceeding a quarter acre in Forest Creek. Current prices and inventory are shown on the Market Overview tab.
Students in 78664 attend Round Rock ISD, which enrolls approximately 45,971 students (2025-26) across approximately 60 campuses. Elementary schools in this zip code include Forest Creek Elementary, Chandler Oaks Elementary, and Gattis Elementary. Cedar Ridge High School and Stony Point High School serve the secondary grades. Round Rock ISD holds a TEA "B" accountability rating (89 of 100, 2025-26) and offers Gifted & Talented services, Special Education programming, and UIL athletics.
The 78664 area sits within a 15-minute drive of Dell Technologies' Round Rock headquarters and the Apple campus on Parmer Lane. Austin-Bergstrom International Airport is approximately 30 minutes south via SH-130. The La Frontera development at I-35 and SH-45 provides a regional shopping and dining hub. Round Rock's three hospitals — St. David's Round Rock Medical Center at 2400 Round Rock Avenue, Baylor Scott & White Medical Center – Round Rock at 300 University Boulevard, and Ascension Seton Williamson on Seton Parkway — are all within a short drive.
Living in Zip Code 78664
Median household income in 78664 is approximately $87,000 (American Community Survey 2024 five-year estimate), above both the state and national averages. Most housing stock was built between 1995 and 2015. Community activity centers on Round Rock ISD school events, youth sports leagues at Old Settlers Park, and neighborhood HOA events in subdivisions like Forest Creek and Greenslopes.
Old Settlers Park, a 670-acre city park on Palm Valley Boulevard, anchors daily recreation with a 20-field baseball complex, a 5-field softball complex, disc golf, fishing at Bright Lake, seven playgrounds, and about 3.3 miles of paved trails. The Dell Diamond, with 8,631 fixed seats and a total capacity of 11,631, hosts the Round Rock Express — the Triple-A affiliate of the Texas Rangers under an agreement running through 2030 — from April through September. Kalahari Resorts opened its 223,000-square-foot indoor waterpark, the largest in the United States, in November 2020. Round Rock Premium Outlets, with 125 designer and name-brand stores at 4401 IH-35, sits inside the zip code, and the Salt Lick's Round Rock location is on East Palm Valley Boulevard beside the Dell Diamond.
Things to Do in Zip Code 78664
- Old Settlers Park: 670-acre city park with a 20-field baseball complex, a 5-field softball complex, disc golf, cricket, fishing at Bright Lake, 17 lighted tennis courts, seven playgrounds, and about 3.3 miles of paved trails.
- Dell Diamond: Stadium with 8,631 fixed seats and a total capacity of 11,631, home to the Round Rock Express, the Triple-A affiliate of the Texas Rangers. Season runs April through September.
- Kalahari Resorts: 223,000-square-foot indoor waterpark — the largest in the United States — with 30 waterslides and 20 pools and whirlpools, plus three acres of outdoor pools. Opened November 2020.
- Round Rock Premium Outlets: Outlet center with 125 designer and name-brand stores at 4401 IH-35 in Round Rock, inside the 78664 zip code.
- Forest Creek Golf Club: 18-hole public golf course within the Forest Creek subdivision, originally designed by Dick Phelps and renovated by Colligan Golf Design in 2018. Par-72 layout of 7,147 yards.
Major Employers in Zip Code 78664
- Dell Technologies (Technology): Global technology company headquartered at 1 Dell Way in Round Rock with approximately 13,000 employees at its Round Rock campus.
- Round Rock ISD (Education): Public school district with approximately 6,200 employees across approximately 60 campuses.
- Baylor Scott & White Medical Center – Round Rock (Healthcare): Hospital campus at 300 University Boulevard providing emergency, surgical, and specialty care.
- Kalahari Resorts (Hospitality): Indoor waterpark resort on Kalahari Boulevard employing approximately 1,000 staff since its November 2020 opening.
Zip Code 78664 Schools
Round Rock ISD serves 78664 with approximately 45,971 students (2025-26) district-wide and a TEA "B" accountability rating (89 of 100) for 2025-26.
School District: Round Rock ISD
Public Schools
Round Rock Independent School District
Pflugerville Independent School District
Hutto Independent School District
Pre-Schools
- Primrose School of Round Rock at Forest Creek - Private preschool serving infants through pre-K near the Forest Creek subdivision.
- Round Rock ISD Pre-K - District-funded pre-kindergarten program at multiple elementary campuses.
Private Schools
- Round Rock Christian Academy - Pre-K through 12th grade private school in Round Rock.
- Redeemer Lutheran School - Pre-K through 8th grade Lutheran school in Round Rock.
Frequently Asked Questions
Where is zip code 78664?
78664 covers eastern Round Rock in Williamson County, spanning from I-35 east to SH-130. It is approximately 20 miles north of downtown Austin.
What do homes cost in 78664?
Current listing prices, the median price and active inventory for 78664 are shown on the Market Overview tab, which updates from live MLS data.
What school district serves 78664?
Round Rock ISD serves 78664, with elementary schools including Forest Creek and Chandler Oaks and high schools including Cedar Ridge and Stony Point. The district holds a TEA "B" accountability rating (89 of 100) for 2025-26.
How far is 78664 from downtown Austin?
78664 is approximately 20 miles and 25 to 35 minutes from downtown Austin via I-35, depending on traffic. SH-130 provides a tolled alternative with less congestion.
What is there to do in Round Rock East?
Old Settlers Park offers 670 acres of recreation. The Dell Diamond hosts Triple-A baseball, and Kalahari Resorts has a 223,000-square-foot indoor waterpark. Round Rock Premium Outlets, with 125 stores, is on IH-35 inside the zip code.