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, Black or African American, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	876	87.78%
Two or more races	111	11.12%
Asian	11	1.1%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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