Shell Ridge

County:: Contra Costa County
County Seat:: No
Area (mi²):: 0.43
State:: California

Shell Ridge is a CDP located in Contra Costa County, California. Shell Ridge has a 2025 population of 1,061. Shell Ridge is currently growing at a rate of 0.57% annually but its population has decreased by -1.85% since the most recent census, which recorded a population of 1,081 in 2020.

The average household income in Shell Ridge is $543,117 with a poverty rate of 1.1%.The median age in Shell Ridge is 42.9 years: 48.3 years for males, and 41.6 years for females.

Demographics

The racial composition of Shell Ridge includes 87.78% White, and smaller percentages for Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	876	87.78%
Two or more races	111	11.12%
Asian	11	1.1%

Shell Ridge Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Shell Ridge's average per capita income is $140,734. Household income levels show a median of $250,001. The poverty rate stands at 1.1%.

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
Households	$250,001	$543,117
Non Families	$250,001	$966,894
Married Families	$244,323	-
Families	$244,115	$361,747

$140,734

Average Income

$250,001

Median Household Income

1.1%

Poverty Rate