San Miguel Contra Costa County Flag

San Miguel Contra Costa County

County Seat:
No
Area (mi²):
1.05
State:
California

San Miguel is a CDP located in San Luis Obispo County, California. San Miguel has a 2025 population of 4,157. San Miguel is currently growing at a rate of 1.24% annually and its population has increased by 27.79% since the most recent census, which recorded a population of 3,253 in 2020.

The average household income in San Miguel is $307,141 with a poverty rate of 2.76%. The median age in San Miguel is 46.8 years: 46.9 years for males, and 46.8 years for females.

4.2K
Total Population
3,958
Density (mi²)
51 1.24%
Growth

San Miguel Population

San Miguel Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of San Miguel includes 82.03% White, 6.61% Asian, and smaller percentages for other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White3,27482.03%
Two or more races3769.42%
Asian2646.61%
Other race401%
Black or African American370.93%
Native American00%
Native Hawaiian or Pacific Islander00%

San Miguel Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

San Miguel's average per capita income is $125,408. Household income levels show a median of $224,219. The poverty rate stands at 2.76%.

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
Families$250,001$342,147
Married Families$250,001-
Households$224,219$307,141
Non Families$98,333$110,066

$125,408

Average Income

$224,219

Median Household Income

2.76%

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)