San Geronimo CDP, California Demographics & Population 2026

Population Overview

San Geronimo CDP is a small community located in California. The total population is 562. It ranks as the 1195th most populous out of 1,577 cities and towns in California.

Age Demographics

The median age in San Geronimo CDP is 46.4 years. This is 23% higher than the state median of 37.6 years. 14.4% 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 San Geronimo CDP is $206,375. This is 114% higher than the state median of $96,334. Compared to the national median of $78,538, household income here is 163% higher. The poverty rate stands at 0.0%. This is 100% 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 0.0%. This is 100% lower than the state rate of 6.4%. The median home value is $1,220,800. Housing costs are 76% higher than the state median of $695,400. The home-value-to-income ratio is 5.9x. 88.7% of occupied housing units are owner-occupied. This homeownership rate is 59% higher than the state average of 55.8%.

Race & Ethnicity

San Geronimo CDP has a predominantly White (non-Hispanic) population, comprising 96.1% of all residents. Hispanic or Latino residents account for 3.9%. The White (non-Hispanic) population is significantly higher than the state average (96.1% vs 34.6%). The Hispanic or Latino population (3.9%) is well below the state average of 39.8%.

Education

87.8% of residents aged 25 and older hold a bachelor's degree or higher. This places San Geronimo CDP in the top 10% of all cities in the state for educational attainment. This is 140% 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 100.0%. Notably, 77.9% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for San Geronimo 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.