Alameda County, California Demographics 2026

Population Overview

Alameda County is located in California with a total population of 1,651,949. It is the 7th most populous county out of 58 in California.

Age Demographics

The median age in Alameda County is 38.7 years. This is 3% higher than the state median of 37.6 years.

Economy, Income & Housing

The median household income in Alameda County is $126,240. This is 31% higher than the state median of $96,334. Compared to the national median of $78,538, household income here is 61% higher. The poverty rate stands at 9.2%. This is 23% lower than the state poverty rate of 12.0%. The unemployment rate is 5.2%. This is 19% lower than the state rate of 6.4%. The median home value is $1,057,400. Housing costs are 52% higher than the state median of $695,400. The home-value-to-income ratio of 8.4x suggests that housing affordability is a significant concern for many residents. 54.1% of occupied housing units are owner-occupied. This homeownership rate is 3% lower than the state average of 55.8%.

Race & Ethnicity

Alameda County is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. White (non-Hispanic) residents account for 28.2%. The Black or African American population is significantly higher than the state average (9.6% vs 5.3%). The Asian population is significantly higher than the state average (32.0% vs 15.0%).

Education

51.5% of residents aged 25 and older hold a bachelor's degree or higher. This places Alameda County in the top 10% of all cities in the state for educational attainment. This is 41% 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 88.9%. Notably, 22.8% of adults hold a graduate or professional degree, indicating a highly educated workforce.