San Lorenzo, CA Profile: Facts, Map & Data


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San Lorenzo, California - Basic Facts

The San Lorenzo Census Designated Place had a population of 24,641 as of July 1, 2016. San Lorenzo ranks in the upper quartile for Population Density and 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 San Lorenzo is located at latitude 37.6744 and longitude -122.1351 in Alameda County. The formal boundaries for the San Lorenzo Census Designated Place (see map below) encompass a land area of 2.77 sq. miles and a water area of 0.01 sq. miles. Alameda County is in the Pacific time zone (GMT -8). The elevation is 36 feet.

The San Lorenzo Census Designated Place (GNIS ID: 2409260) 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 San Lorenzo Census Designated Place is located within Hayward CCD of Alameda County.

Beneath the boundary map are tables with San Lorenzo 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 Lorenzo: Lorenzo, Squattersville.

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.


San Lorenzo Census Designated Place, CA Boundary Map

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Boundary Maps: Hayward CCD | Alameda County | California Counties

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


Total Population 24,641
Population in Households 24,574
Population in Familes 21,520
Population in Group Qrtrs 67
Population Density1 8,903
Diversity Index2 86


Total Households 7,685
Average Household Size 3.2
Family Households 5,991
Average Family Size 4


Total Housing Units 7,939 (100%)
Owner Occupied HU 5,613 (70.7%)
Renter Occupied HU 2,072 (26.1%)
Vacant Housing Units 254 ( 3.2%)
Median Home Value $401,210
Average Home Value $430,305


Median Household Income $74,444
Average Household Income $83,871
Per Capita Income $26,275
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.79% 1.08%
Households 0.55% 0.96%
Families 0.54% 0.96%
Median Household Income   1.98%
Per Capita Income   1.77%
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 Lorenzo, CA - Peer Comparisons by Rank and Percentile

The table below compares San Lorenzo 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 # 302 80th
Population Density1 # 84 95th
Diversity Index2 # 131 91st
Median Household Income # 388 74th
Per Capita Income # 848 44th

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