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Town of Portola Valley
San Mateo County
 

Decennial Census data
      1970-1990  |   2000-2010

1970 Census 1980 Census 1990 Census
TOTAL POPULATION 4,999 100.0% TOTAL POPULATION 3,939 100.0% TOTAL POPULATION 4,194 100.0%
  
RACE RACE RACE
White 4,937 98.8% White 3,817 96.9% White 4,011 95.6%
Negro 15 0.3% Black 25 0.6% Black 51 1.2%
Indian 6 0.1% American Indian, Eskimo, and Aleut 0 0.0% American Indian, Eskimo, or Aleut 12 0.3%
Eskimo 0 0.0% Eskimo 0 0.0%
Aleut 0 0.0% Aleut 0 0.0%
Asian and Pacific Islander 92 2.3% Asian or Pacific Islander 120 2.9%
Asian 100 2.4%
Japanese 20 0.4% Japanese 79 2.0% Japanese 0 0.0%
Chinese 9 0.2% Chinese 0 0.0% Chinese 70 1.7%
Filipino 0 0.0% Filipino 6 0.2% Filipino 0 0.0%
Korean 0 0.0% Korean 0 0.0%
Asian Indian 0 0.0% Asian Indian 0 0.0%
Vietnamese 0 0.0% Vietnamese 0 0.0%
Cambodian 0 0.0%
Hmong 0 0.0%
Laotian 0 0.0%
Thai 0 0.0%
Other Asian 30 0.7%
Pacific Islander 20 0.5%
Polynesian 20 0.5%
Hawaiian 0 0.0% Hawaiian 0 0.0%
Samoan 0 0.0% Samoan 0 0.0%
Tongan 20 0.5%
Other Polynesian 0 0.0%
Guamanian 0 0.0% Micronesian -- Guamanian 0 0.0%
Micronesian -- Other 0 0.0%
Melanesian 0 0.0%
Other Asian and Pacific Islander 7 0.2% Pacific Islander Not Specified 0 0.0%
All other 12 0.2% Race, n.e.c. 5 0.1% Other Race 0 0.0%
  
PERSONS OF SPANISH ORIGIN OR DESCENT   SPANISH ORIGIN 53 1.3% TOTAL HISPANIC 63 1.5%
  
SEX SEX SEX
Male 2,454 49.1% Male   Male 2,048 48.8%
Female 2,545 50.9% Female   Female 2,146 51.2%
 
AGE AGE AGE
Under 5 years 247 4.9% Under 5 years   Under 5 years 236 5.6%
5 to 19 years 1,510 30.2% 5 to 19 years   5 to 17 years 551 13.1%
20 to 64 years 2,694 53.9% 20 to 64 years   18 to 64 years 2,621 62.5%
65 years and over 548 11.0% 65 years and over   65 years and over 786 18.7%
Median age   Median age 40.9 X Median age 43.3 X
  
HOUSEHOLDS HOUSEHOLDS HOUSEHOLDS
Head of household 1,459 100.0% Total households 1,239 100.0% Households 1.625 100.0%
Families 1,180 80.9% Families 1,057 85.3% Total families 1,195 73.5%
With own children under 18 years   With own children under 18 years 497 40.1% With own children under 18 years 437 26.9%
Persons per household 3.21 X Persons per household 2.92 X Persons per household 2.55 X
Persons per family   Persons per family 2.90 X
  
INCOME AND POVERTY IN 1969 INCOME AND POVERTY IN 1979 INCOME AND POVERTY IN 1989
Income of families and unrelated individuals 15,935 X Median household income 49,926 X Median household income 103,005 X
Median family income 51,258 X Median family income 119,361 X
Income of persons 7,079 X Per capita income 20,731 X Per capita income 55,721 X
Less than poverty level 6.3% Below poverty level 4.7% Below poverty level 4.0%
  
COMMUTING TO WORK COMMUTING TO WORK
Mean travel time to work (minutes) 22.5 X Mean minutes traveled to work 23.9 X
Mean travel time to work for workers traveling 45 or more minutes  
  
MEANS OF TRANSPORTATION TO WORK MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over 1,903 100.0% Workers 16 years and over 2,078 100.0%
Private vehicle 1,740 91.4% Car, truck, or van 1,785 85.9%
Drive alone 1,554 81.7% Drove alone 1,677 80.7%
   
Carpool 186 9.8% Carpooled 108 5.2%
     
Public transportation 50 2.6% Public transportation 31 1.5%
Bus or streetcar   Bus or trolley bus 0 0.0%
  Streetcar or trolley car 0 0.0%
Subway or elevated train   Subway or elevated 0 0.0%
Railroad   Railroad 31 1.5%
  Ferryboat 0 0.0%
Taxicab   Taxicab 0 0.0%
Motorcycle   Motorcycle 0 0.0%
Bicycle   Bicycle 11 0.5%
Walked only 50 2.6% Walked 92 4.4%
Other means 33 1.7% Other means 15 0.7%
Worked at home 30 1.6% Working at home 144 6.9%
Best printed in landscape format.
 
                Source: 1970 Census, 1980 Census, 1990 Census

Decennial Census data
      1970-1990  |   2000-2010



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