St. Johns County, Florida Demographics 2026

Population Overview

St. Johns County is located in Florida with a total population of 292,243. It is the 23rd most populous county out of 67 in Florida.

Age Demographics

The median age in St. Johns County is 44.0 years. This is 3% higher than the state median of 42.6 years.

Economy, Income & Housing

The median household income in St. Johns County is $106,169. This is 48% higher than the state median of $71,711. Compared to the national median of $78,538, household income here is 35% higher. The poverty rate stands at 6.7%. This is 47% lower than the state poverty rate of 12.6%. The unemployment rate is 3.9%. This is 19% lower than the state rate of 4.8%. The median home value is $457,600. Housing costs are 41% higher than the state median of $325,000. The home-value-to-income ratio is 4.3x. 82.1% of occupied housing units are owner-occupied. This homeownership rate is 22% higher than the state average of 67.3%.

Race & Ethnicity

The largest racial or ethnic group in St. Johns County is White (non-Hispanic), making up 78.6% of the population. Hispanic or Latino residents account for 8.7%. The White (non-Hispanic) population is significantly higher than the state average (78.6% vs 51.4%). The Black or African American population (4.9%) is well below the state average of 14.8%. The Hispanic or Latino population (8.7%) is well below the state average of 26.8%.

Education

48.6% of residents aged 25 and older hold a bachelor's degree or higher. This places St. Johns County in the top 10% of all cities in the state for educational attainment. This is 46% higher than the state rate of 33.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.1%. Notably, 18.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.