San Lorenzo Flag

San Lorenzo

County:
Alameda County
County Seat:
No
Area (mi²):
3.046
State:
California

San Lorenzo is a CDP located in Alameda County, California. San Lorenzo has a 2025 population of 31,336. San Lorenzo is currently growing at a rate of 1.71% annually and its population has increased by 4.05% since the most recent census, which recorded a population of 30,117 in 2020.

The average household income in San Lorenzo is $133,559 with a poverty rate of 5.57%. The median age in San Lorenzo is 40.3 years: 39 years for males, and 41.7 years for females.

31.3K
Total Population
10,289
Density (mi²)
526 1.71%
Growth

San Lorenzo Population

San Lorenzo Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of San Lorenzo includes 30.12% Asian, 27.84% White, 22.24% other race, 4.68% Black or African American, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Asian

White

Other race

Two or more races

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
Asian8,87230.12%
White8,20127.84%
Other race6,55122.24%
Two or more races3,53011.99%
Black or African American1,3784.68%
Native American5511.87%
Native Hawaiian or Pacific Islander3701.26%

San Lorenzo Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

San Lorenzo's average per capita income is $53,000. Household income levels show a median of $110,495. The poverty rate stands at 5.57%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$128,611-
Families$114,275$140,497
Households$110,495$133,559
Non Families$66,121$80,768

$53,000

Average Income

$110,495

Median Household Income

5.57%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)