Alamo, CA Profile: Facts, Map & Data


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Alamo, California - Basic Facts

The Alamo Census Designated Place had a population of 15,445 as of July 1, 2017. Alamo 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 Alamo is located at latitude 37.8546 and longitude -122.013 in Contra Costa County. The formal boundaries for the Alamo Census Designated Place (see map below) encompass a land area of 9.67 sq. miles and a water area of 0 sq. miles. Contra Costa County is in the Pacific time zone (GMT -8). The elevation is 259 feet.

The Alamo Census Designated Place (GNIS ID: 2407707) 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 Alamo Census Designated Place is located within Central Contra Costa CCD of Contra Costa County.

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

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Alamo Census Designated Place, CA Boundary Map

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Boundary Maps: Central Contra Costa CCD | Contra Costa County | California Counties

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


Total Population 15,445
Daytime Population: Workers 3,221
Daytime Population: Residents 8,525
Total Daytime Population (TDP) 11,746
Ratio TDP/Total Population1 0.76
Population in Households 15,396
Population in Familes 14,121
Population in Group Qrtrs 49
Population Density2 1,597
Diversity Index3 37


Median Household Income $183,261
Average Household Income $250,660
Per Capita Income $88,318


Total Housing Units 5,532 (100%)
Owner Occupied HU 4,902 (88.6%)
Renter Occupied HU 506 ( 9.1%)
Vacant Housing Units 124 ( 2.2%)
Median Home Value $1,000,001
Average Home Value $1,163,186


Total Households 5,408
Average Household Size 2.85
Family Households 4,580
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 0.81% 0.86%
Households 0.67% 0.78%
Families 0.56% 0.79%
Median Household Income   0.62%
Per Capita Income   1.3%

Alamo, CA - Peer Comparisons by Rank and Percentile

The table below compares Alamo 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 # 399 74th
Population Density # 661 56th
Diversity Index # 1260 17th
Median Household Income # 18 99th
Per Capita Income # 23 99th

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

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