The U.S. ZIP Code 78681 is associated with Round Rock, TX in Williamson County. About 11.2% of residents in ZIP Code 78681 are aged 62 years and older, and the region has a median age of 36.2 years. It is estimated that about 52.3% of residents in this Texas region hold a bachelor's degree or higher, while the per capita income is approximately $40,479. The median household income is $107,912, while about 2% of the population is living below the poverty line. The current population estimate for this region is 58,155.
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The median household income in ZIP Code 78681 is $107,912, while the region's mean household income is $127,129. Breaking income down further, per capita income in the region is $40,479. The per capita income in ZIP Code 78681 of $40,479 is approximately 29.42% more than the per capita income in Texas overall of $31,277. An estimated 1.7% of the population is living below the poverty line in this region. This rate is approximately 82.11% lower than the overall poverty rate in the U.S. of 9.5%. Regarding household income, approximately 25.2% of the population in 78681 earn $100,000 to $149,999 per year, while an estimated 15.4% earn $200,000 or more per year, and 0.6% of 78681 residents earn less than $10,000 per year.
| Household Income | Percent |
|---|---|
| Less than $10,000 per year | 0.6% |
| $10,000 to $14,999 per year | 1.5% |
| $15,000 to $24,999 per year | 2.7% |
| $25,000 to $34,999 per year | 3.3% |
| $35,000 to $49,999 per year | 8.0% |
| $50,000 to $74,999 per year | 14.6% |
| $75,000 to $99,999 per year | 14.5% |
| $100,000 to $149,999 per year | 25.2% |
| $150,000 to $199,999 per year | 14.1% |
| $200,000 or more per year | 15.4% |
Residents of ZIP Code 78681 are younger than average. The median age of 36.2 years in ZIP Code 78681 is approximately 4.99% lower than the overall median age in the U.S. of 38.1 years. About 70.5% of residents are aged 18 years and older, and 11.2% of residents are 62 years and over. Approximately 17.0% of the population in 78681 falls in the age group 35 to 44 years, while an estimated 16.3% are aged 45 to 54 years. On the low end of the scale, 0.7% of 78681 residents are aged 85 years and over.
| Age Range | Percent |
|---|---|
| Under 5 years | 5.3% |
| 5 to 9 years | 8.4% |
| 10 to 14 years | 9.9% |
| 15 to 19 years | 8.3% |
| 20 to 24 years | 5.1% |
| 25 to 34 years | 11.1% |
| 35 to 44 years | 17.0% |
| 45 to 54 years | 16.3% |
| 55 to 59 years | 4.9% |
| 60 to 64 years | 4.9% |
| 65 to 74 years | 6.0% |
| 75 to 84 years | 2.0% |
| 85 years and over | 0.7% |
| Health Issue | Percent of adults* |
|---|
One of the top preventative health measures in ZIP Code 78681 is current access to health insurance, as an estimated 88.4% of adults 18 and older take part in this preventive measure. Additionally, % of those 18 and above in 78681 list , as a preventive measure.
| Preventive Measure | Percent of adults* |
|---|---|
| Current access to health insurance | 88.4% |
| Risk Behavior | Percent of adults* |
|---|
In ZIP Code 78681, 95.0% of the population graduated high school, while 52.3% have a bachelor's degree or higher. In this region, 2.4% achieved an education level less than 9th grade, while 17.6% hold a graduate or professional degree. Approximately 13.9% in this Williamson County region reached the highest level of high school graduate (including equivalency).
| Education Level | Percent |
|---|---|
| Less than 9th grade | 2.4% |
| 9th to 12th grade, no diploma | 2.6% |
| High school graduate (includes equivalency) | 13.9% |
| Some college, no degree | 19.6% |
| Associate's degree | 9.2% |
| Bachelor's degree | 34.7% |
| Graduate or professional degree | 17.6% |
Looking at race in the population that makes up ZIP Code 78681, 95.8% is one race, while 4.2% are two or more races. Approximately 22.5% of 78681 residents are hispanic or Latino (of any race). The most common race in 78681 (race alone or in combination with one or more other races), is White (81.5%), followed by Asian (12.1%) .
| Industry | Percent |
|---|---|
| White | 81.5% |
| Black or African American | 7.5% |
| American Indian and Alaska Native | 1.1% |
| Asian | 12.1% |
| Native Hawaiian and Other Pacific Islander | 0.1% |
| Some other race | 2.0% |
In ZIP Code 78681, 77.0% of the population lists "English only" as the language spoken in home, while 12.7% of lists Spanish. Additionally, Asian and Pacific Islander languages are spoken in 3.8% of homes, and other Indo-European languages are spoken in 5.8% of homes. Lastly, 0.7% of homes list "other languages" as spoken in the home. All percentages referenced are for the population 5 years and older in this Williamson County region.
| Language Spoken | Percent |
|---|---|
| English only | 77.0% |
| Spanish | 12.7% |
| Other Indo-European languages | 3.8% |
| Asian and Pacific Islander languages | 5.8% |
| Other languages | 0.7% |
The median home value in ZIP Code 78681 in January 2025 comes in at $497,770. The January 2025 value is approximately -0% lower than the $498,801 median value in August 2024, and 0% higher than the $496,974 median value in February 2024. Regarding the age of homes in ZIP Code 78681, an estimated 32.6% of homes were built between 2000 and 2009. Additionally, 23.5% of homes in the region were built between 1990 and 1999, while an estimated 0.0% of homes were built between 1940 and 1949 in this Williamson County region.
| Month | Home value |
|---|---|
| Jan 2025 | $497,770 |
| Dec 2024 | $498,736 |
| Nov 2024 | $498,589 |
| Oct 2024 | $498,347 |
| Sep 2024 | $498,386 |
| Aug 2024 | $498,801 |
| Jul 2024 | $499,102 |
| Jun 2024 | $499,766 |
| May 2024 | $500,110 |
| Apr 2024 | $499,292 |
| Mar 2024 | $497,677 |
| Feb 2024 | $496,974 |
| Year Home Built | Percent |
|---|---|
| Built in 2014 or later | 5.8% |
| Built between 2010 and 2013 | 5.6% |
| Built between 2000 and 2009 | 32.6% |
| Built between 1990 and 1999 | 23.5% |
| Built between 1980 and 1989 | 16.8% |
| Built between 1970 and 1979 | 13.1% |
| Built between 1960 and 1969 | 1.7% |
| Built between 1950 and 1959 | 0.6% |
| Built between 1940 and 1949 | 0.0% |
| Built in 1939 or earlier | 0.2% |
Regarding solar power potential, ZIP Code 78681 has an average daily solar radiation level of 5.58 kWh/m2/day. This is approximately 35.44% greater than an area in the U.S. with historically low solar radiation levels (WA), and about 15.33% less than an area in the U.S. with historically high solar radiation levels (AZ).
| Region | Residential | Commercial | Industrial |
|---|---|---|---|
| ZIP Code 78681 | 10.72¢/kWh | 9.32¢/kWh | 6.59¢/kWh |
| Texas | 15.84¢/kWh | 9.1¢/kWh | 6.74¢/kWh |
| United States | 18.07¢/kWh | 14.06¢/kWh | 9.02¢/kWh |
| Month | ZIP Code 78681 | Low (WA) | High (AZ) |
|---|---|---|---|
| Jan | 4.84 | 1.9 | 5.84 |
| Feb | 5.55 | 3 | 6.31 |
| Mar | 5.24 | 3.65 | 7.02 |
| Apr | 5.51 | 5.13 | 7.3 |
| May | 5.56 | 5.17 | 7.13 |
| Jun | 5.97 | 5.72 | 6.95 |
| Jul | 5.98 | 6.22 | 6.51 |
| Aug | 6.33 | 6.08 | 6.65 |
| Sep | 6.11 | 5.15 | 7.02 |
| Oct | 5.78 | 3.32 | 6.92 |
| Nov | 5.25 | 2.33 | 5.99 |
| Dec | 4.8 | 1.78 | 5.46 |
In 78681, 72.7% of the population is in the labor force. Recent estimates place 10.4% as working from home, while the total labor force in the region has a mean travel to time to work of 26.3 minutes. Approximately 21.4% of the employed population 16 years and over in 78681 work in educational services, and health care and social assistance, while an estimated 16.8% work in professional, scientific, management, and administrative. On the lower end of the scale, just 0.3% of 78681 workers 16 years and over work in agriculture, forestry, fishing and hunting, and mining.
| Industry | Percent |
|---|---|
| Agriculture, forestry, fishing and hunting, and mining | 0.3% |
| Construction | 5.8% |
| Manufacturing | 10.7% |
| Wholesale trade | 3.4% |
| Retail trade | 9.6% |
| Transportation and warehousing, and utilities | 3.5% |
| Information | 2.7% |
| Finance and insurance, and real estate and rental and leasing | 7.5% |
| Professional, scientific, management, and administrative | 16.8% |
| Educational services, and health care and social assistance | 21.4% |
| Arts, entertainment, and recreation, and accommodation and food services | 8.0% |
| Other services, except public administration | 4.9% |
| Public administration | 5.2% |