San Miguel CDP (Contra Costa County), California Demographics & Population 2026

Population Overview

San Miguel CDP (Contra Costa County) is a small community located in California. The total population is 3,991. It ranks as the 704th most populous out of 1,577 cities and towns in California.

Age Demographics

The median age in San Miguel CDP (Contra Costa County) is 46.8 years. This is 24% higher than the state median of 37.6 years.

Economy, Income & Housing

The median household income in San Miguel CDP (Contra Costa County) is $224,219. This is 133% higher than the state median of $96,334. Compared to the national median of $78,538, household income here is 185% 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 2.9%. This is 54% lower than the state rate of 6.4%. The median home value is $1,627,300. Housing costs are 134% higher than the state median of $695,400. The home-value-to-income ratio of 7.3x suggests that housing affordability is a significant concern for many residents. 91.5% of occupied housing units are owner-occupied. This homeownership rate is 64% higher than the state average of 55.8%.

Race & Ethnicity

The largest racial or ethnic group in San Miguel CDP (Contra Costa County) is White (non-Hispanic), making up 78.9% of the population. Asian residents account for 6.6%. The White (non-Hispanic) population is significantly higher than the state average (78.9% vs 34.6%). The Black or African American population (0.4%) is well below the state average of 5.3%. The Hispanic or Latino population (6.3%) is well below the state average of 39.8%. The Asian population (6.6%) is well below the state average of 15.0%.

Education

67.5% of residents aged 25 and older hold a bachelor's degree or higher. This places San Miguel CDP (Contra Costa County) in the top 10% of all cities in the state for educational attainment. This is 85% 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 98.3%. Notably, 31.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for San Miguel CDP (Contra Costa County), 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.