Bethel Island Flag

Bethel Island

County Seat:
No
Area (mi²):
5.251
State:
California

Bethel Island is a CDP located in Contra Costa County, California. Bethel Island has a 2025 population of 1,957. Bethel Island is currently declining at a rate of -0.61% annually and its population has decreased by -2.88% since the most recent census, which recorded a population of 2,015 in 2020.

The average household income in Bethel Island is $92,308 with a poverty rate of 29.76%.The median age in Bethel Island is 54.5 years: 37.8 years for males, and 57 years for females.

2K
Total Population
373
Density (mi²)
-12 -0.61%
Growth

Bethel Island Population

Bethel Island Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Bethel Island includes 67.3% White, 20.94% other race, 6.76% Asian, and smaller percentages for Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White1,44367.3%
Other race44920.94%
Asian1456.76%
Two or more races703.26%
Native Hawaiian or Pacific Islander371.73%

Bethel Island Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Bethel Island's average per capita income is $78,518. Household income levels show a median of $78,393. The poverty rate stands at 29.76%.

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
Married Families$181,849-
Families$99,611$121,103
Households$78,393$92,308
Non Families-$69,462

$78,518

Average Income

$78,393

Median Household Income

29.76%

Poverty Rate

Nearby Cities

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)