Estimated median household income in 2007: $252,451
| This zip code: | $252,451 | | California: | $59,948 |
Nearest zip codes: 94025, 94063, 94061, 94305, 94301, 94062.
Housing units in zip code 94027 with a mortgage: 1,427 (107 second mortgage, 184 home equity loan, 7 both second mortgage and home equity loan)
Houses without a mortgage: 773
Median monthly owner costs for units with a mortgage: $6,264
Median monthly owner costs for units without a mortgage: $1,397
Residents with income below the poverty level in 2007:
| This zip code: | 1.6% | | Whole state: | 12.4% |
Residents with income below 50% of the poverty level in 2007:
| This zip code: | 1.2% | | Whole state: | 5.1% |
Median number of rooms in houses and condos:
| Here: | 8.2 | | State: | 5.8 |
Median number of rooms in apartments:
| Here: | 6.3 | | State: | 3.5 |
Year house built: |
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- 1999 to March 2000: 29
- 1995 to 1998: 63
- 1990 to 1994: 106
- 1980 to 1989: 95
- 1970 to 1979: 198
- 1960 to 1969: 275
- 1950 to 1959: 921
- 1940 to 1949: 343
- 1939 or earlier: 348
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Bedrooms in owner-occupied houses in Atherton, CA (94027): |
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- no bedroom: 0
- 1 bedrooms: 30
- 2 bedrooms: 112
- 3 bedrooms: 653
- 4 bedrooms: 827
- 5 or more bedrooms: 624
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Bedrooms in renter-occupied apartments and housing units: |
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- no bedroom: 0
- 1 bedrooms: 10
- 2 bedrooms: 5
- 3 bedrooms: 12
- 4 bedrooms: 4
- 5 or more bedrooms: 9
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Vehicles available in 94027 zip code in owner-occupied houses/condos: |
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- no vehicle: 31
- 1 vehicle: 259
- 2 vehicles: 842
- 3 vehicles: 710
- 4 vehicles: 253
- 5 or more vehicles: 151
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Vehicles available in renter-occupied apartments: |
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- no vehicle: 0
- 1 vehicle: 10
- 2 vehicles: 5
- 3 vehicles: 25
- 4 vehicles: 0
- 5 or more vehicles: 0
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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 94027:
- $500,000 to $749,999: 4
- $750,000 to $999,999: 25
- $1,000,000 or more: 2,282
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Rent paid by renters in 2007 in zip code 94027:
- $2,000 or more: 120
- No cash rent: 10
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Median price asked for vacant for-sale houses and condos in 2007: $2,676,221.
Estimated median house (or condo) value in 2007 for: - White Non-Hispanic householders: $2,676,221
- Black or African American householders: $1,000,638
- American Indian or Alaska Native householders: $2,676,221
- Asian householders: $2,676,221
- Some other race householders: $2,676,221
- Two or more races householders: $2,341,691
- Hispanic or Latino householders: $2,676,221
Estimated median house or condo value in 2007: over $2,675,003 (it was over $1,000,000 in 2000)
| 94027: | over $2,675,003 | | California: | $532,300 |
Lower value quartile - upper value quartile: Over $2,508,107 - Over $2,144,261
Mean price in 2007:
Detached houses: $2,550,841| Here: | $2,550,841 | | State: | $619,135 |
Townhouses or other attached units: $2,285,555| Here: | $2,285,555 | | State: | $541,123 |
In 5-or-more-unit structures: $694,799| Here: | $694,799 | | State: | $482,470 |
Breakdown of mean house values by ages of householders
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Housing units in structures:
- One, detached: 2,346
- One, attached: 25
- 50 or more: 7

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Means of transportation to work
- Drove a car alone: 2,251 (77%)
- Carpooled: 65 (2%)
- Bus or trolley bus: 18 (1%)
- Railroad: 54 (2%)
- Taxi: 7 (0%)
- Motorcycle: 4 (0%)
- Walked: 151 (5%)
- Other means: 14 (0%)
- Worked at home: 366 (12%)
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Travel time to work
- Less than 5 minutes: 109
- 5 to 9 minutes: 259
- 10 to 14 minutes: 382
- 15 to 19 minutes: 483
- 20 to 24 minutes: 315
- 25 to 29 minutes: 162
- 30 to 34 minutes: 326
- 35 to 39 minutes: 68
- 40 to 44 minutes: 138
- 45 to 59 minutes: 220
- 60 to 89 minutes: 86
- 90 or more minutes: 16
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Neighborhoods in zip code 94027:
Percentage of zip code residents living and working in this county: 53.1%
Household type by relationship
Households: 6,547
- In family households: 5,971 (1,564 male householders, 295 female householders)
1,750 spouses, 1,963 children (1,846 natural, 54 adopted, 63 stepchildren), 92 grandchildren, 10 brothers or sisters, 67 parents, 64 other relatives, 166 non-relatives
- In nonfamily households: 576 (105 male householders (69 living alone)), 294 female householders (213 living alone)), 177 nonrelatives
- In group quarters: 325 (21 institutionalized population)
Size of family households: 835 2-persons, 353 3-persons, 361 4-persons, 213 5-persons, 47 6-persons, 50 7-or-more-persons.
Size of nonfamily households: 282 1-person, 84 2-persons, 17 3-persons, 7 4-persons, 9 5-persons.
1,474 married couples with children.
96 single-parent households (32 men, 64 women).
83.1% of residents of 94027 zip code speak English at home.
3.3% of residents speak Spanish at home (72% very well, 21% well, 7% not well).
7.7% of residents speak other Indo-European language at home (88% very well, 11% well, 1% not well).
5.4% of residents speak Asian or Pacific Island language at home (61% very well, 27% well, 8% not well, 4% not at all).
0.5% of residents speak other language at home (78% very well, 22% not well).
Foreign born population: 995 (14.5%)
(66.6% of them are naturalized citizens)
| This zip code: | 14.5% | | Whole state: | 26.2% |
Most common places of birth for the foreign-born residents:
- China, excluding Hong Kong and Taiwan (14%)
- Canada (8%)
- Philippines (8%)
- Germany (6%)
- Taiwan (6%)
- France (5%)
- Iran (5%)
Year of entry for the foreign-born population |
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- 1995 to March 2000: 126
- 1990 to 1994: 15
- 1985 to 1989: 115
- 1980 to 1984: 121
- 1975 to 1979: 78
- 1970 to 1974: 66
- 1970 to 1974: 182
- 1965 to 1969: 292
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White population: 5,864
Black population: 51
American Indian population: 13
Asian population: 649
Native Hawaiian and Other Pacific Islander population: 30
Some other race population: 71
Two or more races population: 179

First ancestries reported:
|  Other groups: 1196 |
|  German: 803 |
|  English: 687 |
|  Italian: 483 |
|  Irish: 471 |
|  United States or American: 263 |
|  Scottish: 208 |
|  Polish: 191 |
|  Swedish: 151 |
|  European: 142 |
|  Russian: 128 |
|  French (except Basque): 111 |
|  Norwegian: 111 |
|  Scotch-Irish: 98 |
|  Swiss: 93 |
|  Dutch: 92 |
|  Iranian: 84 |
|  British: 71 |
|  Arab:: 67 |
|  Northern European: 64 |
|  Welsh: 61 |
|  Danish: 53 |
|  Lebanese: 49 |
|  Scandinavian: 38 |
|  Eastern European: 33 |
|  Greek: 31 |
|  Canadian: 27 |
|  Portuguese: 23 |
|  Romanian: 22 |
|  Belgian: 21 |
|  Hungarian: 19 |
|  Palestinian: 18 |
|  Ukrainian: 13 |
|  Serbian: 12 |
|  Croatian: 11 |
|  Armenian: 9 |
|  Austrian: 8 |
|  Finnish: 8 |
|  Turkish: 8 |
|  Alsatian: 7 |
|  Maltese: 7 |
|  Latvian: 7 |
|  Lithuanian: 7 |
|  Yugoslavian: 7 |
|  French Canadian: 6 |
|  Slovak: 6 |
|  New Zealander: 6 |

Facitilies with environmental interests located in this zip code:
- ENCINAL ELEMENTARY (195 ENCINAL AVE. in ATHERTON, CA)
(National Center for Education Statistics) - STATE ID-6044135
Organizations: MENLO PARK CITY ELEMENTARY (SCHOOL DISTRICT)
- LAS LOMITAS ELEMENTARY (299 ALAMEDA DE LAS PULGAS in ATHERTON, CA)
(National Center for Education Statistics) - STATE ID-6044127
- LAUREL ELEMENTARY (95 EDGE ROAD in ATHERTON, CA)
(National Center for Education Statistics) - STATE ID-6044168
Organizations: MENLO PARK CITY ELEMENTARY (SCHOOL DISTRICT)
- MENLO-ATHERTON HIGH (555 MIDDLEFIELD ROAD in ATHERTON, CA)
(National Center for Education Statistics) - STATE ID-4133716
Organizations: SEQUOIA UNION HIGH (SCHOOL DISTRICT)
- CALIFORNIA WATER SERVICE COMPA (MOORE RD, STATION 5 F in ATHERTON, CA)
CRITERIA AND HAZARDOUS AIR POLLUTANT INVENTORY (Inventory of air pollution sources)
Business SIC classification: WATER SUPPLY
- CALIFORNIA WATER SERVICE COMPA (120 RESERVOIR ROAD in ATHERTON, CA)
CRITERIA AND HAZARDOUS AIR POLLUTANT INVENTORY (Inventory of air pollution sources)
Business SIC classification: WATER SUPPLY
Housing units lacking complete plumbing facilities: 0%
Housing units lacking complete kitchen facilities: 0%
Most commonly used house heating fuel: |
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- Utility gas (86%)
- Electricity (13%)
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Place of birth for U.S.-born residents:
- This state: 3495
- Northeast: 675
- Midwest: 790
- South: 388
- West: 473
69% of the 94027 zip code residents lived in the same house 5 years ago.
Out of people who lived in different houses, 43% lived in this county.
Out of people who lived in different counties, 66% lived in California.
Population in 1990: 7,312. Population change in the 1990s: -455 (-6.2%).
Year Householders Moved Into Unit:
Private vs. public school enrollment:
Students in private schools in grades 1 to 8 (elementary and middle school): 435
| Here: | 53.6% | | California: | 9.9% |
Students in private schools in grades 9 to 12 (high school): 184
| Here: | 54.6% | | California: | 7.8% |
Students in private undergraduate colleges: 297
| Here: | 63.1% | | California: | 15.4% |
School Enrollment by Level of School
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Companies with federal contracts located in this zip code:
- REACT NETWORK SERVICES INC (174 FAIR OAKS LN in ATHERTON, CA; small business)
$16,000 with Army for ADP Software. Signed on 2005-05-31. Completion date: 2005-06-10.
- LIM, KOI LING (1975 IVY LN in MENLO PARK, CA; small business)
$3,500 with Geological Survey for Natural Resource Studies. Signed on 2003-06-15. Completion date: 2003-08-15.
Top industries in this zip code by the number of employees in 2005:
- Educational Services: Colleges, Universities, and Professional Schools (250-499 employees: 1 establishment)
- Educational Services: Elementary and Secondary Schools (100-249: 2, 1-4: 1)
- Administrative and Support and Waste Management and Remediation Services: Temporary Help Services (50-99: 1)
- Arts, Entertainment, and Recreation: Golf Courses and Country Clubs (50-99: 1)
- Accommodation and Food Services: Full-Service Restaurants (20-49: 1, 10-19: 1, 1-4: 2)
- Health Care and Social Assistance: Offices of Physicians (except Mental Health Specialists) (5-9: 3, 1-4: 12)
- Health Care and Social Assistance: Offices of Dentists (10-19: 1, 5-9: 2, 1-4: 4)
- Professional, Scientific, and Technical Services: Graphic Design Services (20-49: 1)
- Accommodation and Food Services: Limited-Service Restaurants (20-49: 1)
- Health Care and Social Assistance: Nursing Care Facilities (20-49: 1)
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
- 254 people in college dormitories (includes college quarters off campus)
- 54 people in religious group quarters
- 15 people in nursing homes
Home Mortgage Disclosure Act Aggregated Statistics For Year 2007 (Based on 4 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 | 154 | $2,664,323 | 239 | $1,899,887 | 11 | $1,900,332 | 22 | $2,714,169 | 0 | $0 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 17 | $1,188,444 | 50 | $1,748,854 | 0 | $0 | 2 | $472,100 | 2 | $103,860 |
| APPLICATIONS DENIED | 17 | $2,178,580 | 87 | $2,057,049 | 4 | $3,344,828 | 2 | $909,200 | 2 | $67,980 |
| APPLICATIONS WITHDRAWN | 17 | $1,792,812 | 45 | $1,676,705 | 0 | $0 | 2 | $1,909,320 | 0 | $0 |
| FILES CLOSED FOR INCOMPLETENESS | 4 | $1,269,950 | 11 | $1,108,270 | 0 | $0 | 0 | $0 | 0 | $0 |
Aggregated Statistics For Year 2006 (Based on 4 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 | 173 | $1,938,966 | 297 | $1,622,827 | 22 | $1,627,125 | 26 | $2,090,473 | 0 | $0 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 48 | $1,397,684 | 35 | $1,396,517 | 6 | $411,712 | 0 | $0 | 0 | $0 |
| APPLICATIONS DENIED | 43 | $1,991,309 | 80 | $1,806,717 | 7 | $1,223,767 | 0 | $0 | 0 | $0 |
| APPLICATIONS WITHDRAWN | 17 | $1,623,018 | 43 | $1,439,630 | 6 | $1,457,650 | 6 | $1,510,720 | 2 | $188,840 |
| FILES CLOSED FOR INCOMPLETENESS | 6 | $868,663 | 6 | $1,995,842 | 2 | $5,455,200 | 0 | $0 | 0 | $0 |
Aggregated Statistics For Year 2005 (Based on 4 partial tracts)
|
| 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 | 172 | $1,772,469 | 372 | $1,381,474 | 32 | $1,225,531 | 33 | $1,313,241 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 37 | $1,738,952 | 56 | $1,039,837 | 0 | $0 | 2 | $547,635 |
| APPLICATIONS DENIED | 54 | $1,787,947 | 56 | $1,852,179 | 9 | $1,487,241 | 8 | $3,026,869 |
| APPLICATIONS WITHDRAWN | 52 | $2,348,539 | 39 | $1,269,074 | 4 | $749,760 | 0 | $0 |
| FILES CLOSED FOR INCOMPLETENESS | 6 | $1,736,598 | 13 | $1,285,538 | 0 | $0 | 2 | $443,690 |
Aggregated Statistics For Year 2004 (Based on 4 partial tracts)
|
| 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 | 177 | $1,573,006 | 693 | $1,244,576 | 26 | $863,212 | 26 | $1,523,247 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 19 | $1,538,653 | 69 | $1,397,371 | 2 | $566,520 | 2 | $1,831,750 |
| APPLICATIONS DENIED | 21 | $1,428,371 | 113 | $1,753,901 | 11 | $1,222,355 | 6 | $3,486,617 |
| APPLICATIONS WITHDRAWN | 13 | $1,796,757 | 76 | $1,109,123 | 6 | $1,278,498 | 0 | $0 |
| FILES CLOSED FOR INCOMPLETENESS | 4 | $3,824,010 | 15 | $1,069,437 | 0 | $0 | 0 | $0 |
Aggregated Statistics For Year 2003 (Based on 4 partial tracts)
|
| 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 | 178 | $1,244,843 | 1,432 | $898,627 | 13 | $541,283 | 31 | $1,014,044 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 37 | $1,324,536 | 173 | $1,035,255 | 4 | $214,570 | 4 | $1,994,623 |
| APPLICATIONS DENIED | 15 | $1,110,629 | 167 | $1,111,114 | 2 | $1,818,400 | 13 | $2,061,548 |
| APPLICATIONS WITHDRAWN | 22 | $1,304,686 | 156 | $1,048,123 | 0 | $0 | 7 | $2,266,744 |
| FILES CLOSED FOR INCOMPLETENESS | 4 | $652,393 | 26 | $2,040,019 | 2 | $181,840 | 0 | $0 |
Aggregated Statistics For Year 2002 (Based on 4 partial tracts)
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| A) FHA, FSA/RHS & VA Home Purchase Loans | 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 | Number | Average Value |
| LOANS ORIGINATED | 2 | $74,555 | 147 | $1,187,481 | 1,346 | $974,233 | 7 | $1,225,046 | 52 | $884,384 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 0 | $0 | 13 | $1,477,892 | 171 | $1,085,239 | 2 | $90,920 | 2 | $1,586,255 |
| APPLICATIONS DENIED | 0 | $0 | 7 | $645,650 | 77 | $1,288,545 | 5 | $38,186 | 4 | $839,985 |
| APPLICATIONS WITHDRAWN | 0 | $0 | 17 | $1,116,445 | 90 | $1,100,644 | 0 | $0 | 2 | $1,363,800 |
| FILES CLOSED FOR INCOMPLETENESS | 0 | $0 | 7 | $1,212,367 | 31 | $807,792 | 0 | $0 | 2 | $2,360,500 |
Aggregated Statistics For Year 2001 (Based on 4 partial tracts)
|
| 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 | 98 | $1,271,290 | 747 | $1,062,238 | 26 | $265,419 | 30 | $2,038,487 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 15 | $1,897,851 | 97 | $938,256 | 6 | $90,107 | 6 | $2,427,687 |
| APPLICATIONS DENIED | 17 | $2,687,058 | 83 | $1,152,937 | 9 | $158,140 | 7 | $1,158,059 |
| APPLICATIONS WITHDRAWN | 19 | $1,331,265 | 63 | $1,104,259 | 5 | $216,390 | 0 | $0 |
| FILES CLOSED FOR INCOMPLETENESS | 2 | $660,940 | 20 | $1,570,977 | 0 | $0 | 4 | $1,595,698 |
Aggregated Statistics For Year 2000 (Based on 4 partial tracts)
|
| 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 | 139 | $1,996,554 | 214 | $1,366,239 | 39 | $161,875 | 21 | $3,823,289 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 13 | $499,434 | 24 | $902,573 | 9 | $245,423 | 0 | $0 |
| APPLICATIONS DENIED | 28 | $2,051,660 | 39 | $1,059,726 | 11 | $374,432 | 2 | $472,100 |
| APPLICATIONS WITHDRAWN | 17 | $1,858,074 | 26 | $677,499 | 9 | $266,454 | 2 | $590,980 |
| FILES CLOSED FOR INCOMPLETENESS | 7 | $1,370,456 | 11 | $1,151,974 | 4 | $463,350 | 4 | $1,243,368 |
Aggregated Statistics For Year 1999 (Based on 2 partial tracts)
|
| 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 | 113 | $1,121,044 | 254 | $817,060 | 17 | $134,376 | 8 | $529,196 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 16 | $1,360,541 | 47 | $779,098 | 1 | $86,700 | 3 | $565,310 |
| APPLICATIONS DENIED | 16 | $1,584,699 | 37 | $1,044,687 | 4 | $122,088 | 4 | $369,235 |
| APPLICATIONS WITHDRAWN | 17 | $1,411,012 | 33 | $1,152,685 | 0 | $0 | 1 | $208,080 |
| FILES CLOSED FOR INCOMPLETENESS | 1 | $1,074,150 | 10 | $948,341 | 0 | $0 | 1 | $867,000 |
Detailed HMDA statistics for the following Tracts:
6114.00
, 6115.00
Private Mortgage Insurance Companies Aggregated Statistics For Year 2000 (Based on 2 partial tracts)
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| A) Conventional Home Purchase Loans |
| Number | Average Value |
| LOANS ORIGINATED | 2 | $233,215 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 0 | $0 |
| APPLICATIONS DENIED | 0 | $0 |
| APPLICATIONS WITHDRAWN | 0 | $0 |
| FILES CLOSED FOR INCOMPLETENESS | 0 | $0 |
Aggregated Statistics For Year 1999 (Based on 1 partial tract)
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| A) Conventional Home Purchase Loans |
| Number | Average Value |
| LOANS ORIGINATED | 1 | $235,520 |
| APPLICATIONS APPROVED, NOT ACCEPTED | 0 | $0 |
| APPLICATIONS DENIED | 0 | $0 |
| APPLICATIONS WITHDRAWN | 0 | $0 |
| FILES CLOSED FOR INCOMPLETENESS | 0 | $0 |
Detailed PMIC statistics for the following Tracts:
6114.00
Conventional Home Purchase Loans
Conventional Home Purchase Loans - Value
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