ZIP Code 94028 Demographics & Data

Portola Valley, CA (ZIP Code 94028) Data

California

Comprehensive Data and Demographics About 94028

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.

Population in 94028

The most recent population estimate for ZIP Code 94028 is 7,125.

Portola Valley, CA

The 94028 ZIP Code is associated with Portola Valley, CA in San Mateo County.

Area Codes associated with 94028

Telephone area codes associated with ZIP Code 94028 include No associated area codes were found for ZIP Code 94028.

Sunrise / Sunset in 94028

Sunrise: 6:46 am
Sunset: 4:59 pm
Sunrise in 94028 6:46 am
Sunrise in 94028 4:59 pm

Weather forecast for 94028

Tonight's forecast for 94028: Mostly cloudy, with a low around 52. South wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.

Current air quality in 94028

Air quality: Fair Air quality scale in 94028 Fair

Internet in 94028

An estimated 95.9% of households in ZIP Code 94028 have broadband Internet service, while about 97.9% have a computer.

Gender in 94028

The gender split in ZIP Code 94028 is an estimated 47.0% male and approximately 53.0% female.

Health Insurance in 94028

Approximately 3.3% of adults aged 18 to 64 in ZIP Code 94028 (Portola Valley, CA) are currently uninsured and do not have health insurance.

Income in ZIP Code 94028

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 Details

Bar chart displaying household income in ZIP Code 94028. This visualizes the percentage of households in this region that fall within different income ranges, e.g. $100,000 to $149,999 per year.

Total Income in 94028

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%

Education levels in ZIP Code 94028

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 Attained in 94028

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%

Education Level Details

Pie chart displaying the education level breakdown in ZIP Code 94028. This visualizes the percentage of the population that has attained a specific level of education, e.g. a graduate or professional degree.

Race & Ethnicity in ZIP Code 94028

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%) .

Race Breakdown Details

Bar chart displaying the racial composition of ZIP Code 94028. This visualizes the percentage of the population of each race (race alone or in combination with one or more other races).

Racial Composition of 94028

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%
* Race alone or in combination with one or more other races

Real Estate & Housing in ZIP Code 94028

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.

Age of Housing in 94028

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%

Housing Age Breakdown

">Bar chart displaying the breakdown on housing ages in ZIP Code 94028. This visualizes the percentage of homes in the region that were built in a certain time frame, e.g. built between 1950 and 1959.

Age Breakdown in ZIP Code 94028

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 Breakdown Details

Bar chart displaying the age breakdown in ZIP Code 94028. This visualizes the percentage of the population in the region that falls into certain age ranges, e.g. 35 to 44 years old.

Age Breakdown in 94028

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%

Chronic Health Issues in ZIP Code 94028 [4]

Chronic Health Issues Breakdown

Bar chart displaying a breakdown of chronic health issues in ZIP Code 94028. This visualizes the percentage of adults aged 18 and above that have specific chronic health issues, e.g. high blood pressure, diabetes, or arthritis.

Health Issues in 94028

Health Issue Percent of adults*
* aged 18 & above

Health Risk Behaviors & Prevention in 94028 [4]

One of the top preventative health measures in ZIP Code 94028 is current access to health insurance, as an estimated 96.7% of adults 18 and older take part in this preventive measure. Additionally, % of those 18 and above in 94028 list , as a preventive measure.

Preventative Health in 94028

Preventive Measure Percent of adults*
Current access to health insurance 96.7%
* aged 18 & above

Preventative Health Measures

Bar chart displaying preventative health data in ZIP Code 94028. This visualizes the percentage of adults aged 18 and above that engage in preventative health measures, e.g. sholesterol screenings and visits to doctors for routine checkups.

Health Risk Behaviors Details

Bar chart displaying health risk behaviors details in ZIP Code 94028. This visualizes the percentage of adults aged 18 and older that engage in health risk behaviors, e.g. smoking or binge drinking.

Health Risk Behaviors in 94028

Risk Behavior Percent of adults*
* aged 18 & above

Jobs Breakdown in ZIP Code 94028

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.

Job Industry Breakdown Details

Bar chart displaying job industry breakdown details for ZIP Code 94028. This visualizes the percentage of the population 16 years and over that work in certain industries, e.g. educational services, and health care and social assistance.

Job Industry Breakdown in 94028

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%

Language Breakdown in ZIP Code 94028

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 in 94028

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%
* Population 5 years and over

Language Spoken in Home

Bar chart displaying the language spoken in homes in ZIP Code 94028. This visualizes the percentage of homes in the area that list a specific language as being spoken in the home, e.g. Spanish.

Consumer Financial Products Complaints in 94028 [5]

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. Credit reporting or other personal consumer reports 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.

Consumer Complaints (Products)

Pie chart displaying the specific consumer financial products associated with complaints that originated from residents in ZIP Code 94028. This visualizes the specific products that were the subject of complaints, e.g. a mortgage or a credit card.

Consumer Complaints by Product in 94028

Complaint Product Number of Complaints*
Credit reporting or credit repair services 49
Credit reporting or other personal consumer reports 2
Money transfer, virtual currency, or money service 2
Credit card 1
Credit card or prepaid card 1
Other 2
* Total in 2021

Consumer Complaints by Issue in 94028

Complaint Issue Number of Complaints*
Unable to get your credit report or credit score 39
Problem with a credit reporting company's investigation 10
Improper use of your report 2
Charged fees or interest you didn't expect 1
False statements or representation 1
Other 4
* Total 2021 - 2024 (current)

Consumer Complaints (Issues)

Pie chart displaying the complaints about consumer financial products and services that were sent to companies for response from residents in ZIP Code 94028. This visualizes the specific complaint issues that arose in this region, e.g. incorrect information on a report.

Utilities in ZIP Code 94028 [6]

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).

Electricity Breakdown Details

Bar chart displaying the electricity rates breakdown in ZIP Code 94028. This visualizes electricity rates in 94028 compared to rates in the state and rates in the U.S. as a whole.

Electricity Rates in 94028

Region Residential Commercial Industrial
ZIP Code 94028 15.59¢/kWh 14.08¢/kWh 8.98¢/kWh
California 31.05¢/kWh 28.92¢/kWh 24.93¢/kWh
United States 16.63¢/kWh 13.39¢/kWh 8.72¢/kWh

Solar Power in 94028

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
All figures listed are kWh/m2/day — kilowatt hours per square meter per day

Solar Radiation Levels

Line chart displaying solar radiation levels in ZIP Code 94028. This visualizes solar power levels in 94028 compared to radiation levels in both a historically low radiation state (WA) and a historically high radiation state (AZ).

Notes

  • [4] Health data referenced here originate from the Centers for Disease Control and Prevention (CDC).
  • [5] Consumer financial product complaint data referenced here originate from the Consumer Financial Protection Bureau.
  • [6] Electricity rates and electricity usage data referenced here originate from the National Renewable Energy Laboratory (NREL) and/or the U.S. Energy Information Administration (EIA). Estimates utilize regional U.S. Census Bureau data along with regional NREL and/or EIA data.