The ZIP Code 94028 is associated with the city of Portola Valley in California in San Mateo County. Approximately 79.6% of residents in this California region hold a bachelor's degree or higher. The per capita income is estimated to be $121,272. Median househould income in this region is $234,091, while about 0% of the population lives below the poverty line. The median age in ZIP Code 94028 is approximately 50.9 years, and 30.0% of the region's residents are aged 62 years and older. The current population estimate is 7,125.
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The median household income in ZIP Code 94028 is $234,091, while the region's mean household income is $338,303. Breaking income down further, per capita income in the region is $121,272. The per capita income in ZIP Code 94028 of $121,272 is approximately 228.16% more than the per capita income in California overall of $36,955. An estimated 0.0% of the population is living below the poverty line in this region. This rate is approximately 100% lower than the overall poverty rate in the U.S. of 9.5%. Regarding household income, approximately 57.1% of the population in 94028 earn $200,000 or more per year, while an estimated 9.1% earn $100,000 to $149,999 per year, and 0.0% of 94028 residents earn less than $10,000 per year.
| Household Income | Percent |
|---|---|
| Less than $10,000 per year | 0.0% |
| $10,000 to $14,999 per year | 1.4% |
| $15,000 to $24,999 per year | 3.5% |
| $25,000 to $34,999 per year | 0.5% |
| $35,000 to $49,999 per year | 7.3% |
| $50,000 to $74,999 per year | 7.9% |
| $75,000 to $99,999 per year | 4.5% |
| $100,000 to $149,999 per year | 9.1% |
| $150,000 to $199,999 per year | 8.7% |
| $200,000 or more per year | 57.1% |
In ZIP Code 94028, 96.3% of the population graduated high school, while 79.6% have a bachelor's degree or higher. In this region, 2.6% achieved an education level less than 9th grade, while 49.5% hold a graduate or professional degree. Approximately 5.5% in this San Mateo County region reached the highest level of high school graduate (including equivalency).
| Education Level | Percent |
|---|---|
| Less than 9th grade | 2.6% |
| 9th to 12th grade, no diploma | 1.1% |
| High school graduate (includes equivalency) | 5.5% |
| Some college, no degree | 6.8% |
| Associate's degree | 4.5% |
| Bachelor's degree | 30.0% |
| Graduate or professional degree | 49.5% |
Looking at race in the population that makes up ZIP Code 94028, 95.4% is one race, while 4.6% are two or more races. Approximately 6.1% of 94028 residents are hispanic or Latino (of any race). The most common race in 94028 (race alone or in combination with one or more other races), is White (90.5%), followed by Asian (10.1%) .
| Industry | Percent |
|---|---|
| White | 90.5% |
| Black or African American | 1.8% |
| American Indian and Alaska Native | 0.1% |
| Asian | 10.1% |
| Native Hawaiian and Other Pacific Islander | 0.0% |
| Some other race | 2.1% |
Regarding the age of homes in ZIP Code 94028, an estimated 25.8% of homes were built between 1960 and 1969. Additionally, 24.8% of homes in the region were built between 1950 and 1959, while an estimated 0.7% of homes were built in 2014 or later in this San Mateo County region.
| Year Home Built | Percent |
|---|---|
| Built in 2014 or later | 0.7% |
| Built between 2010 and 2013 | 3.0% |
| Built between 2000 and 2009 | 7.7% |
| Built between 1990 and 1999 | 5.6% |
| Built between 1980 and 1989 | 14.6% |
| Built between 1970 and 1979 | 12.1% |
| Built between 1960 and 1969 | 25.8% |
| Built between 1950 and 1959 | 24.8% |
| Built between 1940 and 1949 | 1.5% |
| Built in 1939 or earlier | 4.2% |
Residents of ZIP Code 94028 are older than average. The median age of 50.9 years in ZIP Code 94028 is approximately 33.6% higher than the overall median age in the U.S. of 38.1 years. About 76.6% of residents are aged 18 years and older, and 30.0% of residents are 62 years and over. Approximately 17.9% of the population in 94028 falls in the age group 45 to 54 years, while an estimated 11.2% are aged 65 to 74 years. On the low end of the scale, 2.8% of 94028 residents are aged under 5 years.
| Age Range | Percent |
|---|---|
| Under 5 years | 2.8% |
| 5 to 9 years | 7.1% |
| 10 to 14 years | 7.1% |
| 15 to 19 years | 8.4% |
| 20 to 24 years | 2.9% |
| 25 to 34 years | 3.4% |
| 35 to 44 years | 9.9% |
| 45 to 54 years | 17.9% |
| 55 to 59 years | 7.6% |
| 60 to 64 years | 5.8% |
| 65 to 74 years | 11.2% |
| 75 to 84 years | 10.0% |
| 85 years and over | 5.8% |
One of the leading chronic health issues in ZIP Code 94028 is high cholesterol, as an estimated 39.3% of adults aged 18 and older deal with this issue. Another chronic health issue of concern for residents of 94028 is high blood pressure, as approximately 31.4% of adults 18 and older in this San Mateo County region contend with that issue.
| Health Issue | Percent of adults* |
|---|---|
| Current asthma | 8.1% |
| Arthritis | 25.3% |
| High blood pressure | 31.4% |
| Cancer (excluding skin cancer) | 10.0% |
| Coronary heart disease | 5.8% |
| Diagnosed diabetes | 8.6% |
| High cholesterol | 39.3% |
| Chronic kidney disease | 3.1% |
| Stroke | 2.8% |
One of the top preventative health measures in ZIP Code 94028 is current access to health insurance, as an estimated 97.2% of adults 18 and older take part in this preventive measure. Additionally, 93.1% of those 18 and above in 94028 list cholesterol screening, as a preventive measure. Common health risk behaviors in 94028 include sleeping less than 7 hours (23.9% of adults aged 18 and above) and obesity (21.0% of those 18 and older).
| Preventive Measure | Percent of adults* |
|---|---|
| Current access to health insurance | 97.2% |
| Taking medicine for high blood pressure control | 78.7% |
| Visits to doctor for routine checkup | 70.3% |
| Cholesterol screening | 93.1% |
| Visits to dentist or dental clinic | 80.9% |
| Risk Behavior | Percent of adults* |
|---|---|
| Binge drinking | 13.8% |
| Current smoking | 5.7% |
| No leisure-time physical activity | 12.2% |
| Obesity | 21.0% |
| Sleeping less than 7 hours | 23.9% |
In 94028, 51.3% of the population is in the labor force. Recent estimates place 22.4% as working from home, while the total labor force in the region has a mean travel to time to work of 28.7 minutes. Approximately 37.1% of the employed population 16 years and over in 94028 work in professional, scientific, management, and administrative, while an estimated 14.3% work in educational services, and health care and social assistance. On the lower end of the scale, just 1.2% of 94028 workers 16 years and over work in public administration.
| Industry | Percent |
|---|---|
| Agriculture, forestry, fishing and hunting, and mining | 1.7% |
| Construction | 3.3% |
| Manufacturing | 10.5% |
| Wholesale trade | 2.5% |
| Retail trade | 1.8% |
| Transportation and warehousing, and utilities | 1.5% |
| Information | 11.6% |
| Finance and insurance, and real estate and rental and leasing | 6.9% |
| Professional, scientific, management, and administrative | 37.1% |
| Educational services, and health care and social assistance | 14.3% |
| Arts, entertainment, and recreation, and accommodation and food services | 6.2% |
| Other services, except public administration | 1.3% |
| Public administration | 1.2% |
In ZIP Code 94028, 87.1% of the population lists "English only" as the language spoken in home, while 3.5% of lists Spanish. Additionally, Asian and Pacific Islander languages are spoken in 7.5% of homes, and other Indo-European languages are spoken in 1.9% of homes. Lastly, 0.0% of homes list "other languages" as spoken in the home. All percentages referenced are for the population 5 years and older in this San Mateo County region.
| Language Spoken | Percent |
|---|---|
| English only | 87.1% |
| Spanish | 3.5% |
| Other Indo-European languages | 7.5% |
| Asian and Pacific Islander languages | 1.9% |
| Other languages | 0.0% |
Regarding consumer complaints about financial products in ZIP Code 94028, credit reporting or credit repair services have received the most complaints in 94028 in the past 12 months. Money transfer, virtual currency, or money service received the second most complaints. The most frequent complaint overall in this San Mateo County region was unable to get a credit report or credit score.
| Complaint Product | Number of Complaints* |
|---|---|
| Credit reporting or credit repair services | 49 |
| Money transfer, virtual currency, or money service | 2 |
| Credit card | 1 |
| Credit card or prepaid card | 1 |
| Debt collection | 1 |
| Other | 1 |
| Complaint Issue | Number of Complaints* |
|---|---|
| Unable to get your credit report or credit score | 39 |
| Problem with a credit reporting company's investigation | 10 |
| Charged fees or interest you didn't expect | 1 |
| False statements or representation | 1 |
| Getting a credit card | 1 |
| Other | 3 |
Regarding solar power potential, ZIP Code 94028 has an average daily solar radiation level of 5.93 kWh/m2/day. This is approximately 43.93% greater than an area in the U.S. with historically low solar radiation levels (WA), and about 10.02% less than an area in the U.S. with historically high solar radiation levels (AZ).
| Region | Residential | Commercial | Industrial |
|---|---|---|---|
| ZIP Code 94028 | 15.59¢/kWh | 14.08¢/kWh | 8.98¢/kWh |
| California | 31.23¢/kWh | 23.61¢/kWh | 18.07¢/kWh |
| United States | 16.1¢/kWh | 12.81¢/kWh | 7.81¢/kWh |
| Month | ZIP Code 94028 | Low (WA) | High (AZ) |
|---|---|---|---|
| Jan | 4.06 | 1.9 | 5.84 |
| Feb | 4.36 | 3 | 6.31 |
| Mar | 5.87 | 3.65 | 7.02 |
| Apr | 6.37 | 5.13 | 7.3 |
| May | 6.7 | 5.17 | 7.13 |
| Jun | 6.86 | 5.72 | 6.95 |
| Jul | 7.17 | 6.22 | 6.51 |
| Aug | 7.26 | 6.08 | 6.65 |
| Sep | 7.17 | 5.15 | 7.02 |
| Oct | 6.24 | 3.32 | 6.92 |
| Nov | 5.08 | 2.33 | 5.99 |
| Dec | 3.97 | 1.78 | 5.46 |