Key Largo, Florida Demographics & Population 2026
During the 2020–2024 ACS period, Key Largo, Florida had a total population of 13,026, the 296th largest community in Florida, with a median household income of $85,778, which is 15% higher than the state average. The poverty rate is 9.9%.
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 7.5x the median household income.
Key Largo Quick Facts
How Key Largo 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 | 12,069 | 13,026 | +7.9% |
| Median household income | $78,906 | $85,778 | +8.7% |
| Median home value | $626,300 | $643,900 | +2.8% |
How Key Largo 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
Moderate diversity with one or two groups making up the majority.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Key Largo 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 |
| 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 |
| Stock Island | 4,162 | $65,515 | 11.5% | $517,500 |
| 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 Key Largo
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Conway | 12,928 | $87,405 | $405,800 | 41.5% | 8.9% |
| North Palm Beach | 13,238 | $90,049 | $513,000 | 50.2% | 7.7% |
| Pasadena Hills | 13,505 | $84,821 | $338,900 | 32.1% | 4.3% |
| Highland City | 13,276 | $90,947 | $347,100 | 33.1% | 5.9% |
| Miami Springs | 13,726 | $87,099 | $560,800 | 40.8% | 10.0% |
Population Overview
Key Largo is a small city located in Florida, within Monroe County. The total population is 13,026. It ranks as the 296th most populous out of 955 Census-designated places in Florida.
Age Demographics
The median age in Key Largo is 49.6 years. This is 16% higher than the state median of 42.6 years. 12.3% 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 Key Largo is $85,778. This is 15% higher than the state median of $74,568. It is also 6% higher than the national median of $80,734. The poverty rate stands at 9.9%. This is 21% lower than the state poverty rate of 12.6%. The unemployment rate is 3.8%. This is 22% lower than the state rate of 4.8%. The median home value is $643,900. Housing costs are 79% higher than the state median of $359,000. The home-value-to-income ratio of 7.5x suggests that housing affordability is a significant concern for many residents. 76.2% of occupied housing units are owner-occupied. This homeownership rate is 13% higher than the state average of 67.6%.
Race & Ethnicity
The largest racial or ethnic group in Key Largo is White (non-Hispanic), making up 62.7% of the population. Hispanic or Latino residents account for 33.0%. The Black or African American population (1.6%) is well below the state average of 14.6%. The Asian population (0.2%) is well below the state average of 2.9%.
Education
39.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 14% 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 93.4%.
Data Sources & Methodology
All demographic data for Key Largo, 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.
Free data download: Get all Florida city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Key Largo, Florida?
Key Largo, Florida has a population of 13,026 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Key Largo, FL?
The median household income in Key Largo is $85,778, which is 6% higher than the national median of $80,734.
What is the poverty rate in Key Largo, FL?
The poverty rate in Key Largo is 9.9%. This means approximately 1,287 residents live below the federal poverty line.
What is the racial makeup of Key Largo, Florida?
Key Largo's population is 62.7% White, 1.6% Black, 33.0% Hispanic/Latino, and 0.2% Asian.
What is the median home value in Key Largo, FL?
The median home value in Key Largo is $643,900. The home-value-to-income ratio is 7.5x.
How educated is Key Largo, Florida?
39.1% of adults (25+) in Key Largo hold a bachelor's degree or higher, and 14.5% hold a graduate or professional degree.