Diablo, CA Profile: Facts, Map & Data


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Diablo, California - Basic Facts

The Diablo Census Designated Place is a community or populated place (Class Code U5) located in Contra Costa County at latitude 37.8408 and longitude -121.9565. Contra Costa County is in the Pacific time zone (GMT -8). The elevation is 528 feet.

The formal official name is the Diablo Census Designated Place, but most people and references simply refer to it as Diablo, California.

The U5 Census Class Code for Diablo indicates a populated place that is also a census designated place with the same name.. The Census Designated Place has a Functional Status Code "S" which identifies a statistical entity.

The formal boundaries for the Diablo Census Designated Place (see map below) encompass a land area of 1.36 sq. miles and a water area of 0 sq. miles.

Diablo Census Designated Place, CA Boundary Map


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Diablo, CA Data & Demographics (As of July 1, 2014)


Total Population 1,160
Population in Households 1,156
Population in Familes 1,059
Population in Group Qrtrs 4
Population Density1 855
Diversity Index2 29


Total Households 412
Average Household Size 2.81
Family Households 345
Average Family Size 3


Total Housing Units 440 (100%)
Owner Occupied HU 379 (86.1%)
Renter Occupied HU 32 ( 7.3%)
Vacant Housing Units 28 ( 6.4%)
Median Home Value $867,537
Average Home Value $845,580


Median Household Income $200,001
Average Household Income $223,152
Per Capita Income $81,824
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.04% 0.48%
Households 0.0% 0.43%
Families 0.14% 0.46%
Median Household Income   0.0%
Per Capita Income   3.53%
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.


Diablo, CA - Peer Comparisons by Rank and Percentile

The table below compares Diablo to the other 1,523 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2014 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 # 1012 34th
Population Density1 # 810 47th
Diversity Index2 # 1392 9th
Median Household Income # 4 100th
Per Capita Income # 5 100th

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