Diablo Grande CDP, California Demographics & Population 2026

Population Overview

Diablo Grande CDP is a small community located in California. The total population is 1,488. It ranks as the 966th most populous out of 1,577 cities and towns in California.

Age Demographics

The median age in Diablo Grande CDP is 42.6 years. This is 13% higher than the state median of 37.6 years.

Economy, Income & Housing

The median household income in Diablo Grande CDP is $160,741. This is 67% higher than the state median of $96,334. Compared to the national median of $78,538, household income here is 105% higher. The poverty rate stands at 2.8%. This is 77% 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 4.6%. This is 28% lower than the state rate of 6.4%. The median home value is $530,200. Housing costs are 24% lower than the state median of $695,400. The home-value-to-income ratio is 3.3x. 88.8% of occupied housing units are owner-occupied. This homeownership rate is 59% higher than the state average of 55.8%.

Race & Ethnicity

The largest racial or ethnic group in Diablo Grande CDP is White (non-Hispanic), making up 49.3% of the population. Hispanic or Latino residents account for 23.7%. The Black or African American population is significantly higher than the state average (10.0% vs 5.3%).

Education

36.1% of residents aged 25 and older hold a bachelor's degree or higher. This is about average 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 97.1%. Notably, 15.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Diablo Grande 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.