Jupiter Island, Florida Demographics & Population 2026

A note before these figures: with a population of 845, Jupiter Island's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Jupiter Island is a small community located in Florida, within Martin County. The total population is 845. It ranks as the 803rd most populous out of 955 Census-designated places in Florida.

Age Demographics

The median age in Jupiter Island is 64.4 years. This is 51% higher than the state median of 42.6 years. Only 3.2% of residents are under 18, indicating fewer families with children. 32.9% 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 Jupiter Island is $219,722. This is 195% higher than the state median of $74,568. It is also 172% higher than the national median of $80,734. The poverty rate stands at 20.7%. This is 64% higher than the state poverty rate of 12.6%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 21.0%. This is 335% higher than the state rate of 4.8%. The median home value is $2,000,000+. Housing costs are 457% higher than the state median of $359,000. The home-value-to-income ratio of 9.1x suggests that housing affordability is a significant concern for many residents. 95.8% of occupied housing units are owner-occupied. This homeownership rate is 42% higher than the state average of 67.6%.

Race & Ethnicity

Jupiter Island has a predominantly White (non-Hispanic) population, comprising 87.7% of all residents. Hispanic or Latino residents account for 4.6%. The White (non-Hispanic) population is significantly higher than the state average (87.7% vs 50.4%). The Black or African American population (0.9%) is well below the state average of 14.6%. The Hispanic or Latino population (4.6%) is well below the state average of 27.4%. The Asian population is significantly higher than the state average (4.5% vs 2.9%).

Education

66.5% of residents aged 25 and older hold a bachelor's degree or higher. This places Jupiter Island in the top 10% of all cities in the state for educational attainment. This is 95% higher than the state rate of 34.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.9%. Notably, 31.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Jupiter Island, Florida is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Florida state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 955 Census-designated places in Florida. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.