Portola Valley, CA Profile: Facts, Map & Data


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Portola Valley, California - Basic Facts

The Town of Portola Valley had a population of 4,611 as of July 1, 2016. Portola Valley ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.

The primary coordinate point for Portola Valley is located at latitude 37.365 and longitude -122.2327 in San Mateo County. The formal boundaries for the Town of Portola Valley (see map below) encompass a land area of 9.1 sq. miles and a water area of 0 sq. miles. San Mateo County is in the Pacific time zone (GMT -8). The elevation is 459 feet.

The Town of Portola Valley (GNIS ID: 2412499) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Town of Portola Valley is located within San Mateo CCD of San Mateo County.

Beneath the boundary map are tables with Portola Valley population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Portola Valley: Portola, Portolo Valley.

Neighborhood Data

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Town of Portola Valley, CA Boundary Map

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Portola Valley, CA Data & Demographics (As of July 1, 2016)


Total Population 4,611
Population in Households 4,569
Population in Familes 3,869
Population in Group Qrtrs 42
Population Density1 507
Diversity Index2 28


Total Households 1,829
Average Household Size 2.5
Family Households 1,308
Average Family Size 3


Total Housing Units 1,985 (100%)
Owner Occupied HU 1,418 (71.4%)
Renter Occupied HU 411 (20.7%)
Vacant Housing Units 156 ( 7.9%)
Median Home Value $1,000,001
Average Home Value $1,187,976


Median Household Income $175,539
Average Household Income $238,232
Per Capita Income $94,534
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.93% 1.16%
Households 0.75% 1.03%
Families 0.68% 1.03%
Median Household Income   0.82%
Per Capita Income   1.09%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Portola Valley, CA - Peer Comparisons by Rank and Percentile

The table below compares Portola Valley to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 666 56th
Population Density1 # 939 38th
Diversity Index2 # 1410 7th
Median Household Income # 12 99th
Per Capita Income # 9 99th

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.

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