78664 ZIP Code
Round Rock, Texas
December 30, 2025
| ZIP Code: | 78664 |
| City/Town: | Round Rock |
| County: | Williamson |
| State: | Texas |
| ZIP Type: | Standard |
| Population: | 62,168 |
| Median Household Income: | $83,599 |
| Per Capita Income: | $43,554 |
| Total Housing Units: | 23,890 |
| Median Home Value: | $281,800 |
| Land Area: | 16.6 sq miles
43.0 sq km |
| Water Area: | 0.1 sq miles
0.2 sq km |
| Coordinates: | 30.5054, -97.6473 |
Population Information (78664 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total Population: | 62,168 | -- | -- |
| Male: | 29,847 | 48.0% | 49.6% |
| Female: | 32,321 | 52.0% | 50.4% |
| Median Age: | 34.5 yrs | -- | 38.5 yrs |
| Under 5 years: | 3,663 | 5.9% | 5.7% |
| 5 to 9 years: | 3,462 | 5.6% | 6.0% |
| 10 to 14 years: | 4,234 | 6.8% | 6.5% |
| 15 to 19 years: | 5,057 | 8.1% | 6.6% |
| 20 to 24 years: | 4,757 | 7.7% | 6.7% |
| 25 to 34 years: | 10,560 | 17.0% | 13.7% |
| 35 to 44 years: | 9,464 | 15.2% | 12.9% |
| 45 to 54 years: | 8,743 | 14.1% | 12.4% |
| 55 to 59 years: | 3,482 | 5.6% | 6.5% |
| 60 to 64 years: | 2,779 | 4.5% | 6.4% |
| 65 to 74 years: | 3,744 | 6.0% | 9.7% |
| 75 to 84 years: | 1,601 | 2.6% | 4.8% |
| 85 years and over: | 622 | 1.0% | 2.0% |
Housing Information (78664 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Median home value: | $281,800 | -- | $281,900 |
| Median rooms: | 5.2 | -- | 5.5 |
| Median rent: | $1,500 / mo. | -- | $1,268 / mo. |
| Total housing units: | 23,890 | -- | -- |
| Occupied housing units: | 23,021 | 96.4% | 38.0% |
| Vacant housing units: | 869 | 3.6% | 4.6% |
| Housing tenure: | -- | -- | -- |
| Owner-occupied: | 12,576 | 54.6% | 64.8% |
| Renter-occupied: | 10,445 | 45.4% | 35.2% |
Educational Attainment (78664 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Population 25 years and over: | 40,995 | -- | -- |
| Less than 9th grade: | 2,020 | 4.9% | 4.7% |
| 9th to 12th grade, no diploma: | 2,051 | 5.0% | 6.1% |
| High school graduate: | 9,393 | 22.9% | 26.4% |
| Some college, no degree: | 9,778 | 23.9% | 19.7% |
| Associate degree: | 4,462 | 10.9% | 8.7% |
| Bachelor's degree: | 9,105 | 22.2% | 20.9% |
| Graduate or professional degree: | 4,186 | 10.2% | 13.7% |
| Percent high school graduate or higher: | -- | 90.1% | 89.1% |
| Percent bachelor's degree or higher: | -- | 32.4% | 34.3% |
Income Information (78664 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median household income: | $83,599 / yr. | $75,149 / yr. |
| Mean household income: | $100,371 / yr. | $105,833 / yr. |
| Median family income: | $101,523 / yr. | $92,646 / yr. |
| Per capita income: | $43,554 / yr. | $41,261 / yr. |
Employment (78664 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| In labor force: | 37,844 | -- | 63.5% |
| Employed: | 36,232 | 95.8% | 96.4% |
| Unemployed: | 1,584 | 4.2% | 5.3% |
| Not in labor force: | 12,040 | -- | -- |
| Class of Worker: | -- | -- | -- |
| Private wage and salary: | 29,262 | 80.8% | 79.7% |
| Government workers: | 5,098 | 14.1% | 14.2% |
| Self-employed: | 1,803 | 5.0% | 5.9% |
| Unpaid family workers: | 69 | 0.2% | 0.1% |
Race & Ethnicity (78664 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Race (one race): | -- | -- | -- |
| White: | 36,830 | 59.2% | 61.6% |
| Black or African American: | 9,001 | 14.5% | 12.4% |
| American Indian/Alaska Native: | 428 | 0.7% | 1.1% |
| Asian: | 2,958 | 4.8% | 6.0% |
| Native Hawaiian/Pacific Islander: | 0 | 0.0% | 0.2% |
| Some other race: | 2,776 | 4.5% | 8.4% |
| Two or more races: | 10,175 | 16.4% | 10.2% |
| Hispanic or Latino (any race): | 10,147 | 16.3% | 18.7% |
| Mexican: | 21,107 | 34.0% | 11.2% |
| Puerto Rican: | 16,693 | 26.9% | 1.8% |
| Cuban: | 1,256 | 2.0% | 0.7% |
| Other Hispanic or Latino: | 810 | 1.3% | 5.0% |
| Not Hispanic or Latino: | 2,348 | 3.8% | 81.1% |
Income Distribution (78664 zip code)
| Household Income | Households | Percent% | US AvgUS |
|---|---|---|---|
| Less than $10,000: | 774 | 3.4% | 4.9% |
| $10,000 to $14,999: | 380 | 1.7% | 3.8% |
| $15,000 to $24,999: | 879 | 3.8% | 7.0% |
| $25,000 to $34,999: | 1,056 | 4.6% | 7.4% |
| $35,000 to $49,999: | 2,910 | 12.6% | 10.7% |
| $50,000 to $74,999: | 4,206 | 18.3% | 16.1% |
| $75,000 to $99,999: | 3,110 | 13.5% | 12.8% |
| $100,000 to $149,999: | 5,046 | 21.9% | 17.1% |
| $150,000 to $199,999: | 2,576 | 11.2% | 8.8% |
| $200,000 or more: | 2,084 | 9.1% | 11.4% |
Commute to Work (78664 zip code)
| Commute Method | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Drove alone: | 24,578 | 67.8% | 67.8% |
| Carpooled: | 4,013 | 11.1% | 8.7% |
| Public transportation: | 32 | 0.1% | 4.2% |
| Walked: | 462 | 1.3% | 2.5% |
| Other means: | 450 | 1.2% | 0.9% |
| Worked from home: | 5,917 | 16.3% | 13.8% |
| Mean travel time to work: | 24.2 min | -- | 26.7 min |
Industry (78664 zip code)
| Industry Sector | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Agriculture, forestry, fishing, mining: | 80 | 0.2% | 1.6% |
| Construction: | 2,232 | 6.2% | 6.9% |
| Manufacturing: | 3,545 | 9.8% | 10.0% |
| Wholesale trade: | 565 | 1.6% | 2.4% |
| Retail trade: | 4,668 | 12.9% | 11.0% |
| Transportation, warehousing, utilities: | 1,372 | 3.8% | 5.8% |
| Information: | 1,014 | 2.8% | 1.9% |
| Finance, insurance, real estate: | 2,232 | 6.2% | 6.7% |
| Professional, scientific, management: | 5,955 | 16.4% | 12.1% |
| Education, health care, social services: | 6,734 | 18.6% | 23.3% |
| Arts, entertainment, food services: | 3,872 | 10.7% | 9.0% |
| Other services: | 1,997 | 5.5% | 4.7% |
| Public administration: | 1,966 | 5.4% | 4.7% |
Poverty Status (78664 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Poverty Rate: | -- | 10.1% | 8.8% |
| All people below poverty level: | -- | -- | -- |
| Under 18 years: | -- | -- | 16.3% |
| 18 to 64 years: | -- | -- | 11.0% |
| 65 years and over: | -- | -- | 10.3% |
Health Insurance (78664 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| With health insurance: | 52,884 | 85.1% | 91.3% |
| Private health insurance: | 44,718 | 71.9% | 67.6% |
| Public health coverage: | 14,161 | 22.8% | 35.9% |
| Without health insurance: | 9,015 | 14.5% | 8.7% |
Benefits & Assistance (78664 zip code)
| Households with: | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Earnings: | 20,880 | 90.7% | 77.4% |
| Social Security income: | 4,083 | 17.7% | 31.0% |
| Retirement income: | 4,185 | 18.2% | 21.8% |
| Supplemental Security Income (SSI): | 726 | 3.2% | 4.5% |
| Cash public assistance income: | 279 | 1.2% | 1.8% |
| SNAP (food stamps) benefits: | 1,904 | 8.3% | 11.4% |
Housing Types (78664 zip code)
| Structure Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| 1-unit, detached: | 14,884 | 62.3% | 61.4% |
| 1-unit, attached: | 1,236 | 5.2% | 6.1% |
| 2 units: | 935 | 3.9% | 3.4% |
| 3 or 4 units: | 1,049 | 4.4% | 4.3% |
| 5 to 9 units: | 895 | 3.7% | 4.6% |
| 10 to 19 units: | 2,060 | 8.6% | 4.3% |
| 20 or more units: | 2,802 | 11.7% | 9.9% |
| Mobile home: | 29 | 0.1% | 5.8% |
| Boat, RV, van, etc.: | 0 | 0.0% | 0.1% |
Year Structure Built (78664 zip code)
| Year Built | Units | Percent% | US AvgUS |
|---|---|---|---|
| Built 2020 or later: | 70 | 0.3% | 0.6% |
| Built 2010 to 2019: | 4,364 | 18.3% | 8.2% |
| Built 2000 to 2009: | 5,506 | 23.0% | 13.5% |
| Built 1990 to 1999: | 5,569 | 23.3% | 13.2% |
| Built 1980 to 1989: | 5,395 | 22.6% | 13.2% |
| Built 1970 to 1979: | 2,240 | 9.4% | 14.6% |
| Built 1960 to 1969: | 339 | 1.4% | 10.2% |
| Built 1950 to 1959: | 234 | 1.0% | 9.9% |
| Built 1940 to 1949: | 86 | 0.4% | 4.6% |
| Built 1939 or earlier: | 87 | 0.4% | 12.0% |
Bedrooms (78664 zip code)
| Number of Bedrooms | Units | Percent% | US AvgUS |
|---|---|---|---|
| No bedroom (studio): | 345 | 1.4% | 2.4% |
| 1 bedroom: | 2,997 | 12.5% | 3.0% |
| 2 bedrooms: | 5,143 | 21.5% | 9.1% |
| 3 bedrooms: | 10,473 | 43.8% | 15.9% |
| 4 bedrooms: | 4,310 | 18.0% | 18.8% |
| 5 or more bedrooms: | 622 | 2.6% | 17.6% |
Heating Fuel (78664 zip code)
| Fuel Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| Utility gas: | 11,051 | 48.0% | 47.1% |
| Bottled, tank, or LP gas: | 92 | 0.4% | 4.9% |
| Electricity: | 11,687 | 50.8% | 40.2% |
| Fuel oil, kerosene, etc.: | 0 | 0.0% | 4.2% |
| Coal or coke: | 0 | 0.0% | 0.1% |
| Wood: | 0 | 0.0% | 1.5% |
| Solar energy: | 33 | 0.1% | 0.1% |
| Other fuel: | 0 | 0.0% | 0.5% |
| No fuel used: | 158 | 0.7% | 0.2% |
Vehicles Available (78664 zip code)
| Vehicles | Households | Percent% | US AvgUS |
|---|---|---|---|
| No vehicle available: | 613 | 2.7% | 8.3% |
| 1 vehicle available: | 7,815 | 33.9% | 32.6% |
| 2 vehicles available: | 9,793 | 42.5% | 37.0% |
| 3 or more vehicles available: | 4,800 | 20.9% | 22.1% |
Home Value Distribution (78664 zip code)
| Value Range | Owner Units | Percent% | US AvgUS |
|---|---|---|---|
| Less than $50,000: | 437 | 3.5% | 5.7% |
| $50,000 to $99,999: | 89 | 0.7% | 7.8% |
| $100,000 to $149,999: | 499 | 4.0% | 9.2% |
| $150,000 to $199,999: | 807 | 6.4% | 10.8% |
| $200,000 to $299,999: | 5,455 | 43.4% | 19.9% |
| $300,000 to $499,999: | 3,777 | 30.0% | 24.1% |
| $500,000 to $999,999: | 1,442 | 11.5% | 17.0% |
| $1,000,000 or more: | 70 | 0.6% | 5.6% |
Housing Costs (78664 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median owner costs (with mortgage): | $1,891 / mo. | $1,828 / mo. |
| Median owner costs (no mortgage): | $816 / mo. | $584 / mo. |
| Median gross rent: | $1,500 / mo. | $1,268 / mo. |
| Average household size (owner-occupied): | 2.79 | 2.53 |
| Average household size (renter-occupied): | 2.54 | 2.38 |
Households (78664 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total households: | 23,021 | -- | -- |
| Married-couple households: | 11,047 | 48.0% | 47.5% |
| Cohabiting couple households: | 5,873 | 25.5% | 7.0% |
| Male householder, no spouse: | 3,697 | 16.1% | 5.4% |
| Female householder, no spouse: | 6,635 | 28.8% | 12.7% |
| Householder living alone: | 8,548 | 37.1% | 28.6% |
| 65 years and over living alone: | 4,340 | 18.9% | 11.8% |
| Average household size: | 2.68 | -- | 2.53 |
| Average family size: | 3.19 | -- | -- |
Marital Status (78664 zip code)
| Population 15 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 24,412 | -- | -- |
| Never married: | 9,312 | 38.1% | 37.0% |
| Now married: | 12,213 | 50.0% | 49.5% |
| Separated: | 301 | 1.2% | 1.5% |
| Widowed: | 2,088 | 8.6% | 2.6% |
| Divorced: | 8,904 | 36.5% | 9.3% |
School Enrollment (78664 zip code)
| Population 3 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Enrolled in school: | 16,524 | -- | -- |
| Nursery school, preschool: | 995 | 6.0% | 5.8% |
| Kindergarten: | 1,112 | 6.7% | 5.0% |
| Elementary school (grades 1-8): | 5,800 | 35.1% | 40.5% |
| High school (grades 9-12): | 4,050 | 24.5% | 21.4% |
| College or graduate school: | 4,567 | 27.6% | 27.3% |
Veterans & Disability (78664 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Civilian population 18 years and over: | 47,525 | -- | -- |
| Veterans: | 3,501 | 7.4% | 6.3% |
| Civilian noninstitutionalized population: | 61,899 | -- | -- |
| With a disability: | 6,473 | 10.5% | 13.4% |
| Under 18 with disability: | 506 | 7.8% | 5.8% |
| 18 to 64 with disability: | 3,644 | 56.3% | 10.4% |
| 65 and over with disability: | 2,323 | 35.9% | 33.4% |
Mobility (Residence 1 Year Ago) (78664 zip code)
| Population 1 year and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Same house: | 49,302 | 79.3% | 86.9% |
| Different house: | 12,131 | 19.5% | 13.1% |
| Same county: | 4,525 | 37.3% | 7.0% |
| Different county: | 7,479 | 61.7% | 3.2% |
| Different state: | 2,676 | 22.1% | 2.5% |
| Abroad: | 127 | 1.0% | 0.4% |
Place of Birth (78664 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Native born: | 52,467 | 84.4% | 86.2% |
| Foreign born: | 942 | 1.5% | 13.9% |
| Naturalized citizen: | 9,701 | 1029.8% | 52.7% |
| Not a citizen: | 9,701 | 1029.8% | 47.3% |
| Foreign-born by region: | -- | -- | -- |
| Europe: | 9,701 | 1029.8% | 10.5% |
| Asia: | 812 | 86.2% | 31.3% |
| Africa: | 904 | 96.0% | 5.5% |
| Oceania: | 33 | 3.5% | 0.5% |
| Latin America: | 4,690 | 497.9% | 50.0% |
| Northern America: | 104 | 11.0% | 2.2% |
Language Spoken at Home (78664 zip code)
| Population 5 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 58,505 | -- | -- |
| English only: | 41,623 | 71.1% | 78.3% |
| Language other than English: | 16,882 | 28.9% | 21.5% |
| By language: | -- | -- | -- |
| Spanish: | 11,737 | 20.1% | 13.3% |
| Other Indo-European languages: | 2,259 | 3.9% | 3.5% |
| Asian/Pacific Island languages: | 1,277 | 2.2% | 3.5% |
| Other languages: | 1,609 | 2.8% | 1.0% |
Computers & Internet (78664 zip code)
| Households | Percent% | US AvgUS | |
|---|---|---|---|
| Households with a computer: | 23,021 | 100.0% | 93.1% |
| Households with broadband internet: | 22,820 | 99.1% | 89.4% |
Round Rock, TX78664