Rio Mar Flag

Rio Mar

County Seat:
No
Area (mi²):
3
State:
California

Rio Mar is a CDP located in Santa Cruz County, California. Rio Mar has a 2025 population of 8,955 . Rio Mar is currently declining at a rate of -0.19% annually and its population has decreased by -7.8% since the most recent census, which recorded a population of 9,713 in 2020.

The average household income in Rio Mar is $212,342 with a poverty rate of 3.08%. The median age in Rio Mar is 51.4 years: 49 years for males, and 52.7 years for females. For every 100 females there are 94.1 males.

9K
Total Population
2,985
Density (mi²)
-17 -0.19%
Growth

Rio Mar Population

Rio Mar Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Rio Mar includes 82.42% White, 3.24% Asian, and smaller percentages for other race, Native American, Black or African American and multiracial populations.

Population by Race

White (82.42%)

Two or more races (11.89%)

Asian (3.24%)

Other race (1.88%)

Native American (0.3%)

Black or African American (0.26%)

Race
Population
Percentage (of total)
White7,36782.42%
Two or more races1,06311.89%
Asian2903.24%
Other race1681.88%
Native American270.3%
Black or African American230.26%

Rio Mar Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rio Mar's average per capita income is $89,290. Household income levels show a median of $150,313. The poverty rate stands at 3.08%.

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
Married Families$192,750-
Families$190,813$248,270
Households$150,313$212,342
Non Families$74,792$130,248

$89,290

Average Income

$150,313

Median Household Income

3.08%

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)