San Dimas, CA Profile: Facts, Map & Data


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San Dimas, California - Basic Facts

The City of San Dimas had a population of 34,803 as of July 1, 2016.

The primary coordinate point for San Dimas is located at latitude 34.108 and longitude -117.8085 in Los Angeles County. The formal boundaries for the City of San Dimas (see map below) encompass a land area of 15.04 sq. miles and a water area of 0.39 sq. miles. Los Angeles County is in the Pacific time zone (GMT -8). The elevation is 955 feet.

The City of San Dimas (GNIS ID: 2411784) 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 City of San Dimas is located within East San Gabriel Valley CCD of Los Angeles County.

Beneath the boundary map are tables with San Dimas 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 San Dimas: Mud Springs.

Neighborhood Data

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City of San Dimas, CA Boundary Map

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San Dimas, CA Data & Demographics (As of July 1, 2016)


Total Population 34,803
Population in Households 34,242
Population in Familes 28,958
Population in Group Qrtrs 561
Population Density1 2,314
Diversity Index2 73


Total Households 12,451
Average Household Size 2.75
Family Households 9,079
Average Family Size 3


Total Housing Units 12,894 (100%)
Owner Occupied HU 8,847 (68.6%)
Renter Occupied HU 3,604 (28.0%)
Vacant Housing Units 443 ( 3.4%)
Median Home Value $489,362
Average Home Value $520,297


Median Household Income $81,653
Average Household Income $107,212
Per Capita Income $38,685
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.67% 0.77%
Households 0.55% 0.7%
Families 0.72% 0.73%
Median Household Income   2.44%
Per Capita Income   1.7%
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.

San Dimas, CA - Peer Comparisons by Rank and Percentile

The table below compares San Dimas 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 # 240 84th
Population Density1 # 561 63rd
Diversity Index2 # 570 62nd
Median Household Income # 291 81st
Per Capita Income # 341 78th

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

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