San Marino, CA Profile: Facts, Map & Data


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San Marino, California - Basic Facts

The City of San Marino had a population of 13,251 as of July 1, 2016. San Marino 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 San Marino is located at latitude 34.1227 and longitude -118.1129 in Los Angeles County. The formal boundaries for the City of San Marino (see map below) encompass a land area of 3.77 sq. miles and a water area of 0.01 sq. miles. Los Angeles County is in the Pacific time zone (GMT -8). The elevation is 564 feet.

The City of San Marino (GNIS ID: 2411799) 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 Marino is located within Pasadena CCD of Los Angeles County.

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

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


City of San Marino, CA Boundary Map

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


Total Population 13,251
Population in Households 13,167
Population in Familes 12,330
Population in Group Qrtrs 84
Population Density1 3,517
Diversity Index2 59


Total Households 4,328
Average Household Size 3.04
Family Households 3,733
Average Family Size 3


Total Housing Units 4,551 (100%)
Owner Occupied HU 3,926 (86.3%)
Renter Occupied HU 402 ( 8.8%)
Vacant Housing Units 223 ( 4.9%)
Median Home Value $1,000,001
Average Home Value $1,152,318


Median Household Income $159,606
Average Household Income $229,995
Per Capita Income $75,393
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.13% 0.38%
Households -0.01% 0.29%
Families 0.01% 0.31%
Median Household Income   1.22%
Per Capita Income   1.41%
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 Marino, CA - Peer Comparisons by Rank and Percentile

The table below compares San Marino 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 # 433 72nd
Population Density1 # 369 76th
Diversity Index2 # 834 45th
Median Household Income # 30 98th
Per Capita Income # 49 97th

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