Castro Valley, CA Profile: Facts, Map & Data


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Castro Valley, California - Basic Facts

The Castro Valley Census Designated Place had a population of 65,600 as of July 1, 2017. Castro Valley ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.

The primary coordinate point for Castro Valley is located at latitude 37.7097 and longitude -122.0623 in Alameda County. The formal boundaries for the Castro Valley Census Designated Place (see map below) encompass a land area of 16.74 sq. miles and a water area of 0.32 sq. miles. Alameda County is in the Pacific time zone (GMT -8). The elevation is 161 feet.

The Castro Valley Census Designated Place (GNIS ID: 2407987) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Castro Valley Census Designated Place is located within Hayward CCD of Alameda County.

Beneath the boundary map are tables with Castro Valley population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Neighborhood Data

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Castro Valley Census Designated Place, CA Boundary Map

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Castro Valley, CA Data & Demographics (As of July 1, 2017)


Total Population 65,600
Daytime Population: Workers 14,083
Daytime Population: Residents 34,096
Total Daytime Population (TDP) 48,179
Ratio TDP/Total Population1 0.73
Population in Households 64,400
Population in Familes 53,977
Population in Group Qrtrs 1,200
Population Density2 3,919
Diversity Index3 74


Median Household Income $87,826
Average Household Income $117,404
Per Capita Income $43,407


Total Housing Units 24,355 (100%)
Owner Occupied HU 15,855 (65.1%)
Renter Occupied HU 7,863 (32.3%)
Vacant Housing Units 637 ( 2.6%)
Median Home Value $622,691
Average Home Value $644,467


Total Households 23,718
Average Household Size 2.72
Family Households 16,948
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population 0.92% 1.0%
Households 0.82% 0.94%
Families 0.7% 0.92%
Median Household Income   2.28%
Per Capita Income   2.3%

Castro Valley, CA - Peer Comparisons by Rank and Percentile

The table below compares Castro Valley to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2017 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 # 138 91st
Population Density # 326 79th
Diversity Index # 536 65th
Median Household Income # 265 83rd
Per Capita Income # 317 79th

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

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