Shell Ridge Flag

Shell Ridge

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.

1.1K
Total Population
2,466
Density (mi²)
6 0.57%
Growth

Shell Ridge Population

Shell Ridge Population

Data after 2023 is projected based on recent change

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)
White87687.78%
Two or more races11111.12%
Asian111.1%

Shell Ridge Marital Status

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

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

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)