Trinity County, California Demographics 2026

Population Overview

Trinity County is located in California with a total population of 15,886. It is the 54th most populous county out of 58 in California.

Age Demographics

The median age in Trinity County is 54.8 years. This is 46% higher than the state median of 37.6 years. 11.3% 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 Trinity County is $53,498. This is 44% lower than the state median of $96,334. Compared to the national median of $78,538, household income here is 32% lower. The poverty rate stands at 18.0%. This is 50% higher than the state poverty rate of 12.0%. The unemployment rate is 5.9%. This is 7% lower than the state rate of 6.4%. The median home value is $329,000. Housing costs are 53% lower than the state median of $695,400. The home-value-to-income ratio of 6.1x suggests that housing affordability is a significant concern for many residents. 73.0% of occupied housing units are owner-occupied. This homeownership rate is 31% higher than the state average of 55.8%.

Race & Ethnicity

The largest racial or ethnic group in Trinity County is White (non-Hispanic), making up 79.3% of the population. Hispanic or Latino residents account for 5.9%. The White (non-Hispanic) population is significantly higher than the state average (79.3% vs 34.6%). The Black or African American population (0.9%) is well below the state average of 5.3%. The Hispanic or Latino population (5.9%) is well below the state average of 39.8%. The Asian population (2.4%) is well below the state average of 15.0%.

Education

18.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 51% lower 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 94.8%.