Monte Rio CDP, California Demographics & Population 2026

Population Overview

Monte Rio CDP is a small community located in California. The total population is 765. It ranks as the 1132nd most populous out of 1,577 cities and towns in California.

Age Demographics

The median age in Monte Rio CDP is 63.4 years. This is 69% higher than the state median of 37.6 years. Only 2.9% of residents are under 18, indicating fewer families with children. 12.2% 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 Monte Rio CDP is $48,922. This is 49% lower than the state median of $96,334. Compared to the national median of $78,538, household income here is 38% lower. The poverty rate stands at 16.6%. This is 39% higher than the state poverty rate of 12.0%. The unemployment rate is 11.0%. This is 71% higher than the state rate of 6.4%. The median home value is $666,200. Housing costs are 4% lower than the state median of $695,400. The home-value-to-income ratio of 13.6x suggests that housing affordability is a significant concern for many residents. 76.1% of occupied housing units are owner-occupied. This homeownership rate is 36% higher than the state average of 55.8%.

Race & Ethnicity

The largest racial or ethnic group in Monte Rio CDP is White (non-Hispanic), making up 82.8% of the population. Hispanic or Latino residents account for 15.3%. The White (non-Hispanic) population is significantly higher than the state average (82.8% vs 34.6%). The Hispanic or Latino population (15.3%) is well below the state average of 39.8%. The Asian population (0.4%) is well below the state average of 15.0%.

Education

33.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 9% lower 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 97.9%.

Data Sources & Methodology

All demographic data for Monte Rio 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.