Siesta Key CDP, Florida Demographics & Population 2026

Population Overview

Siesta Key CDP is a small city located in Florida. The total population is 5,690. It ranks as the 444th most populous out of 953 cities and towns in Florida.

Age Demographics

The median age in Siesta Key CDP is 66.0 years. This is 55% higher than the state median of 42.6 years. Only 7.1% of residents are under 18, indicating fewer families with children. 29.6% 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 Siesta Key CDP is $119,427. This is 67% higher than the state median of $71,711. Compared to the national median of $78,538, household income here is 52% higher. The poverty rate stands at 7.6%. This is 40% lower than the state poverty rate of 12.6%. The unemployment rate is 4.0%. This is 17% lower than the state rate of 4.8%. The median home value is $954,300. Housing costs are 194% higher than the state median of $325,000. The home-value-to-income ratio of 8.0x suggests that housing affordability is a significant concern for many residents. 92.5% of occupied housing units are owner-occupied. This homeownership rate is 37% higher than the state average of 67.3%.

Race & Ethnicity

Siesta Key CDP has a predominantly White (non-Hispanic) population, comprising 92.7% of all residents. Hispanic or Latino residents account for 3.6%. The White (non-Hispanic) population is significantly higher than the state average (92.7% vs 51.4%). The Hispanic or Latino population (3.6%) is well below the state average of 26.8%.

Education

65.3% of residents aged 25 and older hold a bachelor's degree or higher. This places Siesta Key CDP in the top 10% of all cities in the state for educational attainment. This is 97% 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 96.8%. Notably, 31.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Siesta Key CDP, Florida 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 Florida state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 953 Census-designated places in Florida. For official data, visit data.census.gov.