Rio Mar

County:: Santa Cruz County
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.

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, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Native American

Black or African American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	7,367	82.42%
Two or more races	1,063	11.89%
Asian	290	3.24%
Other race	168	1.88%
Native American	27	0.3%
Black or African American	23	0.26%
Native Hawaiian or Pacific Islander	0	0%

Rio Mar Marital Status

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