Martin County, Florida Demographics 2026

Population Overview

Martin County is located in Florida with a total population of 160,464. It is the 32nd most populous county out of 67 in Florida.

Age Demographics

The median age in Martin County is 53.2 years. This is 25% higher than the state median of 42.6 years. 16.0% 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 Martin County is $80,701. This is 13% higher than the state median of $71,711. Compared to the national median of $78,538, household income here is 3% higher. The poverty rate stands at 11.4%. This is 10% lower than the state poverty rate of 12.6%. The unemployment rate is 4.5%. This is 6% lower than the state rate of 4.8%. The median home value is $386,500. Housing costs are 19% higher than the state median of $325,000. The home-value-to-income ratio is 4.8x. 80.1% of occupied housing units are owner-occupied. This homeownership rate is 19% higher than the state average of 67.3%.

Race & Ethnicity

The largest racial or ethnic group in Martin County is White (non-Hispanic), making up 75.5% of the population. Hispanic or Latino residents account for 15.4%. The Black or African American population (4.9%) is well below the state average of 14.8%. The Asian population (1.4%) is well below the state average of 2.8%.

Education

36.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 10% 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 92.7%.