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 2026 population of 2,146. Bethel Island is currently growing at a rate of 0.05% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Bethel Island is $74,972 with a poverty rate of 34.6%. The median age in Bethel Island is 56.6 years: 56.2 years for males, and 69 years for females. For every 100 females there are 93.2 males.

2.1K
Total Population
409
Density (mi²)
1 0.05%
Growth

Bethel Island Population

Bethel Island Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262,14610.05%
20252,14500%

Median Age

Overall: 56.6 years
Female: 69 years
Male: 56.2 years

Bethel Island Adults

There are 1,540 adults, (726 of whom are seniors) in Bethel Island.

Sex Ratio

Female: 965 (51.8%)
Male: 899 (48.2%)

Demographics

The racial composition of Bethel Island includes 53.38% White, 16.31% other race, 4.35% Asian, and smaller percentages for Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White99553.38%
Two or more races44623.93%
Other race30416.31%
Asian814.35%
Native Hawaiian or Pacific Islander382.04%
Race
Population ↓
Percentage (of total)
Two or more races44623.93%
Other race30416.31%
Asian271.45%
Race
Population ↓
Percentage (of total)
White99553.38%
Asian542.9%
Native Hawaiian or Pacific Islander382.04%

Bethel Island Marital Status

Economics and Income Statistics

Bethel Island 's average per capita income is $78,854. Household income levels show a median of $74,972. The poverty rate stands at 34.6%.

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
Non Families$80,036$81,863
Married Families$76,469-
Households$74,972$86,103
Families$72,438$89,566

$78,854

Average Income

$74,972

Median Household Income

34.6%

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)