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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

Zip Code 94028, Portola Valley, CA

ZIP Code 94028 Details

Zip Code:94028
City:Portola Valley
State:CA [California]
Counties:SAN MATEO, CA
Multi County:No
City Alias(es):Portola Valley
Menlo Park
Portola Vally
City Alias(es) To Avoid Using:Menlo Pk
Area Code:650
City Type:N [Non Postal Community Name]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:662 ft
State FIPS:06
County FIPS:081
Intro Date:<2004-10

ZIP Code 94028 2010 Census Demographics

Current Population:6,681
2010 Population:6,534
Households per ZIP Code:2,567
Average House Value:$2,000,000
Avg. Income Per Household:$221,667
Persons Per Household:2.53
White Population:6,004
Black Population:44
Hispanic Population:307
Asian Population:520
American Indian Population:30
Hawaiian Population:5
Other Population:119
Male Population:3,234
Female Population:3,300
Median Age:50.00 years
Male Median Age:49.20 years
Female Median Age:50.80 years

ZIP Code 94028 Other Demographics

# Residential Mailboxes:2,641
# Business Mailboxes:106
Total Delivery Receptacles:2,763
Number of Businesses:179
1st Quarter Payroll:$27,004,000
Annual Payroll:$110,094,000
# of Employees:1,320
Water Area:0.128 sq mi
Land Area:15.203 sq mi
113th Congressional District:18
113th Congressional Land Area:696.12 sq mi
Single Family Delivery Units:2,406
Multi Family Delivery Units:221
# Residential Mailboxes:2,641
# Business Mailboxes:106
Total Delivery Receptacles:2,763

ZIP Code 94028 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 1,565 1,580 +15
Retired Workers: 1,245 1,260 +15
Disabled Workers: 15 20 +5
Widow(er)s and Parents: 110 115 +5
Spouses: 175 170 -5
Children: 20 15 -5
65+: 1,520 1,535 +15
Monthly Benefits - All: $3,045,000 $3,188,000 +$143,000
Monthly Benefits - Retired Workers: $2,597,000 $2,737,000 +$140,000
Monthly Benefits - Widow(ers): $206,000 $212,000 +$6,000

ZIP Code 94028 Statistical Areas

CBSA: 41860
CBSA Name: San Francisco-Oakland-Berkeley, CA
CBSA Type: Metro
CBSA Division: 41884
CBSA Division Name: San Francisco-San Mateo-Redwood City, CA
CBSA Population:4,335,391
CBSA Division Population:1,523,686
MSA: 7362
MSA Name: San Francisco-Oakland-San Jose, CA CMSA
PMSA: 7360
PMSA Name: San Francisco, CA PMSA
City State Key:005358
Preferred Last Line Key:005358
94027: Previous ZIP Code
Next ZIP Code: 94030


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census American National Standards Institute (ANSI) [Last Updated: 5/1/2022],
  6. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],