Estimated median household income in 2007: $207,613
| This zip code: | $207,613 | | California: | $59,948 |
Nearest zip codes: 94304, 94305, 94025, 94027, 94062, 94020.
Housing units in zip code 94028 with a mortgage: 1,419 (88 second mortgage, 221 home equity loan, 0 both second mortgage and home equity loan)
Houses without a mortgage: 594
Median monthly owner costs for units with a mortgage: $6,264
Median monthly owner costs for units without a mortgage: $896
Residents with income below the poverty level in 2007:
| This zip code: | 2.0% | | Whole state: | 12.4% |
Residents with income below 50% of the poverty level in 2007:
| This zip code: | 0.5% | | Whole state: | 5.1% |
Median number of rooms in houses and condos:
| Here: | 7.2 | | State: | 5.8 |
Median number of rooms in apartments:
| Here: | 3.0 | | State: | 3.5 |
Year house built: |
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- 1999 to March 2000: 16
- 1995 to 1998: 62
- 1990 to 1994: 19
- 1980 to 1989: 223
- 1970 to 1979: 411
- 1960 to 1969: 706
- 1950 to 1959: 778
- 1940 to 1949: 146
- 1939 or earlier: 244
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Bedrooms in owner-occupied houses in Portola Valley, CA (94028): |
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- no bedroom: 0
- 1 bedrooms: 72
- 2 bedrooms: 190
- 3 bedrooms: 773
- 4 bedrooms: 821
- 5 or more bedrooms: 316
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Bedrooms in renter-occupied apartments and housing units: |
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- no bedroom: 30
- 1 bedrooms: 133
- 2 bedrooms: 113
- 3 bedrooms: 0
- 4 bedrooms: 42
- 5 or more bedrooms: 20
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Vehicles available in 94028 zip code in owner-occupied houses/condos: |
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- no vehicle: 16
- 1 vehicle: 290
- 2 vehicles: 885
- 3 vehicles: 719
- 4 vehicles: 196
- 5 or more vehicles: 66
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Vehicles available in renter-occupied apartments: |
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- no vehicle: 39
- 1 vehicle: 153
- 2 vehicles: 115
- 3 vehicles: 9
- 4 vehicles: 0
- 5 or more vehicles: 22
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Estimated household income distribution in 2007:

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Estimate of home value of owner-occupied houses/condos in 2007 in zip code 94028:
- Less than $10,000: 3
- $10,000 to $14,999: 1
- $15,000 to $19,999: 1
- $20,000 to $24,999: 1
- $200,000 to $249,999: 9
- $250,000 to $299,999: 5
- $400,000 to $499,999: 16
- $500,000 to $749,999: 11
- $750,000 to $999,999: 14
- $1,000,000 or more: 2,141
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Rent paid by renters in 2007 in zip code 94028:
- $150 to $199: 4
- $300 to $349: 3
- $450 to $499: 6
- $600 to $649: 6
- $650 to $699: 5
- $1,500 to $1,999: 158
- $2,000 or more: 713
- No cash rent: 23
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Median price asked for vacant for-sale houses and condos in 2007: $0.
Estimated median house (or condo) value in 2007 for: - White Non-Hispanic householders: $2,676,221
- Asian householders: $2,676,221
- Two or more races householders: $1,672,637
- Hispanic or Latino householders: $2,676,221
Estimated median house or condo value in 2007: over $2,689,899 (it was over $1,000,000 in 2000)
| 94028: | over $2,689,899 | | California: | $532,300 |
Lower value quartile - upper value quartile: $2,512,795 - Over $2,161,406
Mean price in 2007:
Detached houses: $2,291,171| Here: | $2,291,171 | | State: | $619,135 |
Townhouses or other attached units: $2,695,771| Here: | $2,695,771 | | State: | $541,123 |
In 5-or-more-unit structures: $1,331,350| Here: | $1,331,350 | | State: | $482,470 |
Owners and renters by unit type in %
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Breakdown of mean house values by ages of householders
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Housing units in structures:
- One, detached: 2,279
- One, attached: 50
- 5 to 9: 84
- 10 to 19: 97
- 20 to 49: 10
- 50 or more: 74
- Mobile homes: 11

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Means of transportation to work
- Drove a car alone: 2,448 (79%)
- Carpooled: 152 (5%)
- Bicycle: 37 (1%)
- Walked: 81 (3%)
- Worked at home: 363 (12%)
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Travel time to work
- Less than 5 minutes: 93
- 5 to 9 minutes: 153
- 10 to 14 minutes: 276
- 15 to 19 minutes: 377
- 20 to 24 minutes: 481
- 25 to 29 minutes: 268
- 30 to 34 minutes: 457
- 35 to 39 minutes: 118
- 40 to 44 minutes: 114
- 45 to 59 minutes: 261
- 60 to 89 minutes: 94
- 90 or more minutes: 26
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Percentage of zip code residents living and working in this county: 41.9%
Household type by relationship
Households: 6,568
- In family households: 5,793 (1,642 male householders, 276 female householders)
1,801 spouses, 1,683 children (1,649 natural, 34 adopted, 0 stepchildren), 86 grandchildren, 33 brothers or sisters, 15 parents, 69 other relatives, 188 non-relatives
- In nonfamily households: 775 (226 male householders (172 living alone)), 353 female householders (285 living alone)), 196 nonrelatives
- In group quarters: 90 (21 institutionalized population)
Size of family households: 931 2-persons, 397 3-persons, 363 4-persons, 153 5-persons, 65 6-persons, 9 7-or-more-persons.
Size of nonfamily households: 457 1-person, 85 2-persons, 21 3-persons, 13 4-persons, 3 5-persons.
1,376 married couples with children.
96 single-parent households (35 men, 61 women).
87.8% of residents of 94028 zip code speak English at home.
4.4% of residents speak Spanish at home (56% very well, 18% well, 10% not well, 16% not at all).
5.1% of residents speak other Indo-European language at home (88% very well, 12% well).
2.0% of residents speak Asian or Pacific Island language at home (62% very well, 38% well).
0.6% of residents speak other language at home (76% very well, 24% well).
Foreign born population: 856 (13.0%)
(63.0% of them are naturalized citizens)
| This zip code: | 13.0% | | Whole state: | 26.2% |
Most common places of birth for the foreign-born residents:
- Germany (15%)
- United Kingdom (15%)
- Mexico (11%)
- France (8%)
- Canada (6%)
- India (5%)
- China, excluding Hong Kong and Taiwan (5%)
Year of entry for the foreign-born population |
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- 1995 to March 2000: 119
- 1990 to 1994: 70
- 1985 to 1989: 105
- 1980 to 1984: 68
- 1975 to 1979: 34
- 1970 to 1974: 66
- 1970 to 1974: 98
- 1965 to 1969: 296
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White population: 6,103
Black population: 26
American Indian population: 16
Asian population: 273
Native Hawaiian and Other Pacific Islander population: 1
Some other race population: 69
Two or more races population: 107

First ancestries reported:
|  English: 1061 |
|  German: 746 |
|  Other groups: 675 |
|  European: 418 |
|  Irish: 396 |
|  Italian: 383 |
|  French (except Basque): 234 |
|  United States or American: 224 |
|  Scottish: 188 |
|  Russian: 157 |
|  British: 141 |
|  Norwegian: 140 |
|  Polish: 129 |
|  Swedish: 122 |
|  Dutch: 98 |
|  French Canadian: 65 |
|  Scotch-Irish: 63 |
|  Hungarian: 41 |
|  Swiss: 37 |
|  Danish: 35 |
|  Greek: 34 |
|  Yugoslavian: 27 |
|  Finnish: 26 |
|  Brazilian: 25 |
|  Eastern European: 23 |
|  Czech: 20 |
|  Belgian: 18 |
|  Welsh: 18 |
|  Israeli: 16 |
|  New Zealander: 12 |
|  Basque: 10 |
|  Iranian: 10 |
|  Slovak: 10 |
|  Syrian: 9 |
|  Subsaharan African:: 9 |
|  Arab:: 9 |
|  African: 9 |
|  Northern European: 8 |
|  Turkish: 8 |
|  Canadian: 8 |
|  Lithuanian: 7 |
|  Czechoslovakian: 7 |
|  Bulgarian: 6 |
Housing units lacking complete kitchen facilities: 2%
Most commonly used house heating fuel: |
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- Utility gas (89%)
- Electricity (8%)
- Bottled, tank, or LP gas (2%)
- Other fuel (1%)
- Wood (1%)
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Place of birth for U.S.-born residents:
- This state: 3115
- Northeast: 820
- Midwest: 929
- South: 501
- West: 405
74% of the 94028 zip code residents lived in the same house 5 years ago.
Out of people who lived in different houses, 37% lived in this county.
Out of people who lived in different counties, 67% lived in California.
Population in 1990: 6,379. Population change in the 1990s: +216 (+3.4%).
Year Householders Moved Into Unit:
Private vs. public school enrollment:
Students in private schools in grades 1 to 8 (elementary and middle school): 150
| Here: | 19.7% | | California: | 9.9% |
Students in private schools in grades 9 to 12 (high school): 106
| Here: | 32.9% | | California: | 7.8% |
Students in private undergraduate colleges: 36
| Here: | 27.5% | | California: | 15.4% |
School Enrollment by Level of School
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Companies with federal contracts located in this zip code:
- FINEMECH INC (35 KIOWA CT in PORTOLA VALLEY, CA; small business)
$5,280 with Army for Miscellaneous Maintenance and Repair Shop Specialized Equipment. Signed on 2006-04-13. Completion date: 2006-05-12.
Top industries in this zip code by the number of employees in 2005:
- Educational Services: Elementary and Secondary Schools (100-249 employees: 1 establishment, 20-49 employees: 1 establishment)
- Health Care and Social Assistance: Continuing Care Retirement Communities (100-249: 1)
- Administrative and Support and Waste Management and Remediation Services: Landscaping Services (50-99: 1, 5-9: 1, 1-4: 2)
- Professional, Scientific, and Technical Services: Custom Computer Programming Services (20-49: 1, 10-19: 2, 1-4: 5)
- Accommodation and Food Services: Full-Service Restaurants (20-49: 1, 10-19: 1, 5-9: 1, 1-4: 1)
- Arts, Entertainment, and Recreation: All Other Amusement and Recreation Industries (20-49: 1, 10-19: 1, 1-4: 1)
- Other Services (except Public Administration): Religious Organizations (20-49: 1, 10-19: 1)
- Professional, Scientific, and Technical Services: Veterinary Services (10-19: 2, 5-9: 1, 1-4: 1)
- Arts, Entertainment, and Recreation: Fitness and Recreational Sports Centers (20-49: 1, 1-4: 2)
Age and Sex of Sensory-Disabled Residents (Noninstitutionalized)
Age and Sex of Physically-Disabled Residents (Noninstitutionalized)
Age and Sex of Mentally-Disabled Residents (Noninstitutionalized)
Age and Sex of Self-Care Disabled Residents (Noninstitutionalized)
Age and Sex of Go-Outside-Home Disabled Residents (Noninstitutionalized)
Age and Sex of Residents with Employment Disability (Noninst.)
People in group quarters
- 36 people in nursing homes
- 33 people in religious group quarters
- 19 people in agriculture workers' dormitories on farms
Fatal accident statistics in 2005
- Fatal accident count: 2
- Vehicles involved in fatal accidents: 2
- Fatal accidents caused by drunken drivers: 2
- Fatalities: 2
- Persons involved in fatal accidents: 4
- Pedestrians involved in fatal accidents: 2
Home Mortgage Disclosure Act Aggregated Statistics For Year 2007 (Based on 2 partial tracts)
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| B) Conventional Home Purchase Loans | C) Refinancings
| D) Home Improvement Loans
| F) Non-occupant Loans on < 5 Family Dwellings (A B C & D) | G) Loans On Manufactured Home Dwelling (A B C & D) |
| Number | Average Value | Number | Average Value | Number | Average Value | Number | Average Value | Number | Average Value |
| LOANS ORIGINATED | 169 | $1,276,767 | 221 | $1,060,821 | 14 | $795,334 | 13 | $988,412 | 2 | $1,972,960 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 36 | $1,644,781 | 45 | $1,136,983 | 0 | $0 | 9 | $927,092 | 0 | $0 |
| APPLICATIONS DENIED | 30 | $2,154,532 | 52 | $1,543,082 | 2 | $2,242,000 | 4 | $1,049,255 | 2 | $22,420 |
| APPLICATIONS WITHDRAWN | 13 | $1,405,631 | 13 | $2,784,219 | 7 | $766,123 | 0 | $0 | 0 | $0 |
| FILES CLOSED FOR INCOMPLETENESS | 2 | $986,480 | 7 | $686,180 | 0 | $0 | 0 | $0 | 0 | $0 |
Aggregated Statistics For Year 2006 (Based on 2 partial tracts)
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| B) Conventional Home Purchase Loans | C) Refinancings
| D) Home Improvement Loans
| F) Non-occupant Loans on < 5 Family Dwellings (A B C & D) |
| Number | Average Value | Number | Average Value | Number | Average Value | Number | Average Value |
| LOANS ORIGINATED | 143 | $1,109,348 | 217 | $1,019,443 | 27 | $835,286 | 14 | $543,845 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 7 | $619,304 | 22 | $1,070,371 | 9 | $874,878 | 5 | $794,564 |
| APPLICATIONS DENIED | 22 | $1,084,068 | 59 | $1,937,635 | 5 | $473,152 | 4 | $914,735 |
| APPLICATIONS WITHDRAWN | 5 | $1,061,452 | 32 | $740,084 | 4 | $885,590 | 2 | $1,165,840 |
| FILES CLOSED FOR INCOMPLETENESS | 0 | $0 | 13 | $1,195,642 | 2 | $89,680 | 2 | $304,910 |
Aggregated Statistics For Year 2005 (Based on 2 partial tracts)
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| B) Conventional Home Purchase Loans | C) Refinancings
| D) Home Improvement Loans
| F) Non-occupant Loans on < 5 Family Dwellings (A B C & D) | G) Loans On Manufactured Home Dwelling (A B C & D) |
| Number | Average Value | Number | Average Value | Number | Average Value | Number | Average Value | Number | Average Value |
| LOANS ORIGINATED | 174 | $1,094,220 | 323 | $886,455 | 36 | $935,462 | 22 | $1,040,940 | 0 | $0 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 22 | $744,507 | 29 | $1,055,132 | 9 | $705,881 | 2 | $1,492,275 | 2 | $76,230 |
| APPLICATIONS DENIED | 22 | $1,384,659 | 74 | $993,412 | 13 | $1,093,958 | 7 | $472,741 | 0 | $0 |
| APPLICATIONS WITHDRAWN | 20 | $1,224,491 | 43 | $823,846 | 9 | $559,802 | 2 | $582,920 | 2 | $112,995 |
| FILES CLOSED FOR INCOMPLETENESS | 4 | $66,813 | 32 | $937,100 | 0 | $0 | 2 | $2,153,215 | 0 | $0 |
Aggregated Statistics For Year 2004 (Based on 2 partial tracts)
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| B) Conventional Home Purchase Loans | C) Refinancings
| D) Home Improvement Loans
| F) Non-occupant Loans on < 5 Family Dwellings (A B C & D) | G) Loans On Manufactured Home Dwelling (A B C & D) |
| Number | Average Value | Number | Average Value | Number | Average Value | Number | Average Value | Number | Average Value |
| LOANS ORIGINATED | 165 | $1,050,473 | 592 | $831,546 | 30 | $617,835 | 20 | $1,131,134 | 0 | $0 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 22 | $1,070,942 | 68 | $790,265 | 9 | $409,938 | 2 | $896,800 | 2 | $299,530 |
| APPLICATIONS DENIED | 25 | $816,518 | 86 | $1,157,081 | 13 | $713,577 | 7 | $859,647 | 2 | $143,490 |
| APPLICATIONS WITHDRAWN | 23 | $1,207,873 | 56 | $1,148,961 | 2 | $17,935 | 5 | $808,554 | 0 | $0 |
| FILES CLOSED FOR INCOMPLETENESS | 4 | $1,546,980 | 7 | $983,661 | 0 | $0 | 0 | $0 | 0 | $0 |
Aggregated Statistics For Year 2003 (Based on 2 partial tracts)
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| B) Conventional Home Purchase Loans | C) Refinancings
| D) Home Improvement Loans
| F) Non-occupant Loans on < 5 Family Dwellings (A B C & D) |
| Number | Average Value | Number | Average Value | Number | Average Value | Number | Average Value |
| LOANS ORIGINATED | 151 | $900,755 | 1,620 | $640,399 | 2 | $35,870 | 23 | $561,475 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 27 | $1,054,969 | 188 | $742,226 | 0 | $0 | 11 | $630,532 |
| APPLICATIONS DENIED | 5 | $2,367,552 | 158 | $892,157 | 7 | $72,513 | 7 | $618,791 |
| APPLICATIONS WITHDRAWN | 25 | $773,400 | 138 | $632,413 | 0 | $0 | 7 | $363,331 |
| FILES CLOSED FOR INCOMPLETENESS | 0 | $0 | 32 | $615,205 | 2 | $125,550 | 4 | $425,533 |
Aggregated Statistics For Year 1999 (Based on 3 partial tracts)
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| B) Conventional Home Purchase Loans | C) Refinancings
| D) Home Improvement Loans
| E) Loans on Dwellings For 5+ Families
| F) Non-occupant Loans on < 5 Family Dwellings (A B C & D) |
| Number | Average Value | Number | Average Value | Number | Average Value | Number | Average Value | Number | Average Value |
| LOANS ORIGINATED | 113 | $737,782 | 258 | $581,443 | 11 | $195,789 | 0 | $0 | 7 | $495,276 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 15 | $485,292 | 37 | $568,927 | 2 | $209,935 | 0 | $0 | 2 | $376,820 |
| APPLICATIONS DENIED | 19 | $652,323 | 40 | $1,015,643 | 7 | $149,444 | 1 | $843,360 | 3 | $404,360 |
| APPLICATIONS WITHDRAWN | 14 | $566,236 | 27 | $516,334 | 3 | $234,980 | 0 | $0 | 2 | $851,615 |
| FILES CLOSED FOR INCOMPLETENESS | 3 | $528,757 | 10 | $1,082,681 | 0 | $0 | 0 | $0 | 0 | $0 |
Detailed HMDA statistics for the following Tracts:
6132.00
Private Mortgage Insurance Companies Aggregated Statistics For Year 1999 (Based on 2 partial tracts)
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| A) Conventional Home Purchase Loans |
| Number | Average Value |
| LOANS ORIGINATED | 1 | $336,370 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 0 | $0 |
| APPLICATIONS DENIED | 0 | $0 |
| APPLICATIONS WITHDRAWN | 0 | $0 |
| FILES CLOSED FOR INCOMPLETENESS | 0 | $0 |
Conventional Home Purchase Loans
Conventional Home Purchase Loans - Value
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