| ZIP Code | 78664 |
|---|---|
| City | Round Rock |
| State | Texas (TX) |
| County | Williamson County |
| Area Code | 512/737 |
| Elevation | 746 ft |
| Latitude | 30.505414 |
|---|---|
| Longitude | -97.647284 |
| Timezone | Chicago (DST) |
| FIPS | 48491 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 34.8 yrs ↑ 4% since 2019 |
|---|---|
| Avg Household Size | 2.65 |
| Below Poverty | 10.4% ≈ Avg |
| College Grads | 47.3% ▲ 22% above avg |
| Unemployment | 4.3% ▼ 11% below avg |
| No HS Diploma | 747 (1.9%) |
| HS Graduate | 8,616 (22.1%) |
| Some College | 4,583 (11.8%) |
| Associates | 6,594 (16.9%) |
| Bachelors | 4,315 (11.1%) |
| Graduate Degree | 14,128 (36.2%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $85,919 ▲ 13% above avg ↑ 13% since 2019 |
|---|---|
| Median Home Value | $317,400 ▲ 14% above avg ↑ 47% since 2019 |
| Home/Income Ratio | 3.7x (nat avg ~3.5x) |
| Median Rent | $1,645/mo ↑ 26% since 2019 |
| Total Units | 24,259 |
| Vacant Units | 960 |
| Avg HH Size | 2.65 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 24,259 |
|---|---|
| Vacant | 960 |
| Owner Occupied | 54.1% |
| Renter Occupied | 45.9% |
| Avg HH Size | 2.65 |
ZIP code 78664 is located in Round Rock, Texas, within Williamson County. With a population of 62,272, this is a densely populated ZIP code with a relatively young community — the median age is 34.8 years. Economically, 78664 is a middle-income ZIP code: the median household income of $85,919 is near the national average.
Real estate in ZIP code 78664 represents a mid-range housing market. The median home value of $317,400 is near the national average. Renters can expect to pay around $1,645 per month in median rent. The area has a relatively balanced mix of owners (54.1%) and renters (45.9%). Median home values have increased by 47% since 2019.
The population of 78664 is racially diverse, with White as the largest group at 39.3%. Residents are well-educated — 47.3% hold a bachelor's degree or higher, which is above the national average. Poverty affects some residents at 10.4%. Household income has grown by 13% since 2019.
The unemployment rate in 78664 stands at 4.3%, which is near the national average. About 20% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 67%.
Overall, ZIP code 78664 in Round Rock, TX is characterized as middle-income, well-educated, and a relatively young community. With 62,272 residents, a median household income of $85,919, and a median home value of $317,400, it offers a clear picture of life in this part of Texas.