Rio del Mar CDP, California Demographics & Population 2026

Population Overview

Rio del Mar CDP is a small city located in California. The total population is 8,938. It ranks as the 513th most populous out of 1,577 cities and towns in California.

Age Demographics

The median age in Rio del Mar CDP is 51.4 years. This is 37% higher than the state median of 37.6 years. 12.4% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Rio del Mar CDP is $150,313. This is 56% higher than the state median of $96,334. Compared to the national median of $78,538, household income here is 91% higher. The poverty rate stands at 3.1%. This is 74% lower than the state poverty rate of 12.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 5.7%. This is 11% lower than the state rate of 6.4%. The median home value is $1,242,600. Housing costs are 79% higher than the state median of $695,400. The home-value-to-income ratio of 8.3x suggests that housing affordability is a significant concern for many residents. 77.6% of occupied housing units are owner-occupied. This homeownership rate is 39% higher than the state average of 55.8%.

Race & Ethnicity

The largest racial or ethnic group in Rio del Mar CDP is White (non-Hispanic), making up 80.0% of the population. Hispanic or Latino residents account for 11.4%. The White (non-Hispanic) population is significantly higher than the state average (80.0% vs 34.6%). The Black or African American population (0.3%) is well below the state average of 5.3%. The Hispanic or Latino population (11.4%) is well below the state average of 39.8%. The Asian population (3.2%) is well below the state average of 15.0%.

Education

61.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 68% higher than the state rate of 36.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.5%. Notably, 30.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Rio del Mar CDP, California is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,577 Census-designated places in California. For official data, visit data.census.gov.