Sleepy Hollow, California Demographics & Population 2026

Population Overview

Sleepy Hollow is a small community located in California, within Marin County. The total population is 3,063. It ranks as the 790th most populous out of 1,570 Census-designated places in California.

Age Demographics

The median age in Sleepy Hollow is 58.1 years. This is 53% higher than the state median of 37.9 years. 10.7% 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 Sleepy Hollow is $250,000+. This is 152% higher than the state median of $99,122. It is also 210% higher than the national median of $80,734. The poverty rate stands at 1.0%. This is 92% 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 12.3%. This is 87% higher than the state rate of 6.6%. The median home value is $2,000,000+. Housing costs are 172% higher than the state median of $734,700. The home-value-to-income ratio of 8.0x suggests that housing affordability is a significant concern for many residents. 87.7% of occupied housing units are owner-occupied. This homeownership rate is 57% higher than the state average of 55.9%.

Race & Ethnicity

The largest racial or ethnic group in Sleepy Hollow is White (non-Hispanic), making up 79.4% of the population. Hispanic or Latino residents account for 8.1%. The White (non-Hispanic) population is significantly higher than the state average (79.4% vs 33.8%). The Black or African American population (0.8%) is well below the state average of 5.2%. The Hispanic or Latino population (8.1%) is well below the state average of 40.2%. The Asian population (0.5%) is well below the state average of 15.3%.

Education

80.2% of residents aged 25 and older hold a bachelor's degree or higher. This places Sleepy Hollow in the top 10% of all cities in the state for educational attainment. This is 116% higher than the state rate of 37.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample. Notably, 28.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Sleepy Hollow, California is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,570 Census-designated places in California. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.