Sunol, California Demographics & Population 2026

A note before these figures: with a population of 847, Sunol's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Sunol is a small community located in California, within Alameda County. The total population is 847. It ranks as the 1111th most populous out of 1,570 Census-designated places in California.

Age Demographics

The median age in Sunol is 46.3 years. This is 22% higher than the state median of 37.9 years.

Economy, Income & Housing

The median household income in Sunol is $215,000. This is 117% higher than the state median of $99,122. It is also 166% higher than the national median of $80,734. The poverty rate stands at 5.0%. This is 59% 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 5.9%. This is 11% lower than the state rate of 6.6%. The median home value is $1,333,300. Housing costs are 81% higher than the state median of $734,700. The home-value-to-income ratio of 6.2x suggests that housing affordability is a significant concern for many residents. 82.1% of occupied housing units are owner-occupied. This homeownership rate is 47% higher than the state average of 55.9%.

Race & Ethnicity

The largest racial or ethnic group in Sunol is White (non-Hispanic), making up 61.8% of the population. Asian residents account for 14.6%. The White (non-Hispanic) population is significantly higher than the state average (61.8% vs 33.8%). The Black or African American population (0.6%) is well below the state average of 5.2%. The Hispanic or Latino population (14.4%) is well below the state average of 40.2%.

Education

51.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 40% higher than the state rate of 37.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.9%. Notably, 23.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Sunol, 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.