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 2026 population of 1,007. Shell Ridge is currently growing at a rate of 0.3% 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 Shell Ridge is $250,001 with a poverty rate of 1.88%. The median age in Shell Ridge is 46.6 years: 48.4 years for males, and 41.7 years for females. For every 100 females there are 110.7 males.

1K
Total Population
2,340
Density (mi²)
3 0.3%
Growth

Shell Ridge Population

Shell Ridge Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,00730.3%
20251,00430.3%

Median Age

Overall: 46.6 years
Female: 41.7 years
Male: 48.4 years

Shell Ridge Adults

There are 602 adults, (142 of whom are seniors) in Shell Ridge.

Sex Ratio

Female: 354 (47.5%)
Male: 392 (52.5%)

Demographics

The racial composition of Shell Ridge includes 85.92% White, and smaller percentages for Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White64185.92%
Two or more races9112.2%
Asian141.88%
Race
Population ↓
Percentage (of total)
Two or more races7610.19%
Race
Population ↓
Percentage (of total)
White64185.92%
Two or more races152.01%
Asian141.88%

Shell Ridge Marital Status

Economics and Income Statistics

Shell Ridge 's average per capita income is $145,875. Household income levels show a median of $250,001. The poverty rate stands at 1.88%.

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$560,640
Families$250,001$403,295
Married Families$250,001-
Non Families--

$145,875

Average Income

$250,001

Median Household Income

1.88%

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)