Stock Island, Florida Demographics & Population 2026
During the 2020–2024 ACS period, Stock Island, Florida had a total population of 4,162, the 528th largest community in Florida, with a median household income of $65,515, which is 12% lower than the state average. The poverty rate is 11.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing affordability is a challenge — homes cost 7.9x the median household income.
- Near full employment with an unemployment rate of just 1.8%.
Stock Island Quick Facts
How Stock Island Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 4,724 | 4,162 | -11.9% |
| Median household income | $67,005 | $65,515 | -2.2% |
| Median home value | $513,300 | $517,500 | +0.8% |
How Stock Island Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Stock Island Rankings in Florida
Explore Florida Rankings
Other Cities in Monroe County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Key West | 25,720 | $87,037 | 10.9% | $852,400 |
| Key Largo | 13,026 | $85,778 | 9.9% | $643,900 |
| Marathon | 9,914 | $89,355 | 13.4% | $725,800 |
| Islamorada | 7,068 | $87,222 | 6.9% | $919,600 |
| Big Pine Key | 4,258 | $110,134 | 10.7% | $637,000 |
| Big Coppitt Key | 3,109 | $105,139 | 4.7% | $534,500 |
| Cudjoe Key | 2,492 | $87,500 | 8.6% | $857,400 |
| Tavernier | 2,413 | $50,256 | 17.6% | $613,700 |
| North Key Largo | 1,808 | $149,605 | 28.1% | $2,000,000+ |
| Duck Key | 647 | $156,719 | 13.0% | $1,051,000 |
Cities Similar to Stock Island
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Hutchinson Island South | 4,175 | $65,871 | $406,800 | 44.5% | 7.0% |
| Harbour Heights | 4,289 | $65,152 | $368,900 | 25.6% | 14.2% |
| South Highpoint | 4,174 | $61,105 | $241,300 | 18.0% | 19.1% |
| Point Baker | 3,976 | $64,769 | $213,000 | 19.6% | 26.1% |
| Mulberry | 4,188 | $57,708 | $133,800 | 17.7% | 19.8% |
Population Overview
Stock Island is a small community located in Florida, within Monroe County. The total population is 4,162. It ranks as the 528th most populous out of 955 Census-designated places in Florida.
Age Demographics
The median age in Stock Island is 34.5 years. This is 19% lower than the state median of 42.6 years.
Economy, Income & Housing
The median household income in Stock Island is $65,515. This is 12% lower than the state median of $74,568. It is also 19% lower than the national median of $80,734. The poverty rate stands at 11.5%. This is 8% lower than the state poverty rate of 12.6%. The unemployment rate is 1.8%. This is 63% lower than the state rate of 4.8%. The median home value is $517,500. Housing costs are 44% higher than the state median of $359,000. The home-value-to-income ratio of 7.9x suggests that housing affordability is a significant concern for many residents. 27.6% of occupied housing units are owner-occupied. This homeownership rate is 59% lower than the state average of 67.6%.
Race & Ethnicity
Stock Island is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Black or African American residents account for 32.8%. The White (non-Hispanic) population (22.3%) is well below the state average of 50.4%. The Black or African American population is significantly higher than the state average (32.8% vs 14.6%). The Hispanic or Latino population is significantly higher than the state average (42.3% vs 27.4%).
Education
24.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% lower 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 84.7%.
Data Sources & Methodology
All demographic data for Stock 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.
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Frequently Asked Questions
What is the population of Stock Island, Florida?
Stock Island, Florida has a population of 4,162 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Stock Island, FL?
The median household income in Stock Island is $65,515, which is 19% lower than the national median of $80,734.
What is the poverty rate in Stock Island, FL?
The poverty rate in Stock Island is 11.5%. This means approximately 477 residents live below the federal poverty line.
What is the racial makeup of Stock Island, Florida?
Stock Island's population is 22.3% White, 32.8% Black, 42.3% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Stock Island, FL?
The median home value in Stock Island is $517,500. The home-value-to-income ratio is 7.9x.
How educated is Stock Island, Florida?
24.3% of adults (25+) in Stock Island hold a bachelor's degree or higher, and 6.8% hold a graduate or professional degree.