Miami-Dade County, Florida
Located in Florida, Miami-Dade County has a population of 2,738,356 residents and a median age of 40.7 years, making it the #7 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 14.7%. The median home value is $463,000, and the median household income is $71,753, which is 5% below the national median.
Demographics
Miami-Dade County has a population of 2,738,356, making it the #7 most populous county in the US. The median age is 40.7 years, which is 4.6% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Miami-Dade County is $71,753, ranking #1,064 out of 3,222 counties — 4.5% below the national median. The poverty rate is 14.7% and unemployment stands at 4.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Miami-Dade County is $463,000 (+64.2% vs national). Renters pay a median of $1,829/mo and the homeownership rate is 52.2%.
Median Home Value Trend
Rankings →Household Type
Education
In Miami-Dade County, 34.4% of adults age 25+ hold a bachelor's degree or higher, which is 2.0% above the national average, ranking #495 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Miami-Dade County is 79.7 years. 22.4% of adults report poor or fair health and 16.1% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
13.0% of adults in Miami-Dade County smoke , 30.3% are obese , and 20.0% report excessive drinking. The drug overdose death rate is 13.8 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Miami-Dade County is 8.0 per 100,000 and the suicide rate is 8.5 per 100,000. Motor vehicle deaths occur at a rate of 12.2 per 100,000.
Homicide Rate Trend
Families & Children
17.1% of children in Miami-Dade County live in poverty and the infant mortality rate is 4.8 per 1,000 live births. The teen birth rate is 11.1 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Miami-Dade County is 71.6%. The mean commute time is 34.3 min, which is 24.3% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Miami-Dade County voted Republican with a margin of 11.5%. The vote was 43.9% Dem / 55.4% Rep. Compared to 2020, the margin shifted 18.8 toward Republicans .
Vote Share Over Time
About Miami-Dade County, Florida
Miami-Dade County, Florida has a total population of 2,738,356, making it the 7th most populous county in the United States. The median age in Miami-Dade County is 40.7 years, which is 4.6% above the national median of 38.9 years.
The median household income in Miami-Dade County is $71,753, which ranks #1,064 of 3,222 counties nationwide. This is 4.5% below the national median of $75,149. The poverty rate is 14.7%, higher than the national rate of 12.6%. The unemployment rate stands at 4.6%.
The median home value in Miami-Dade County is $463,000, 64.2% above the national median. Renters in Miami-Dade County pay a median gross rent of $1,829 per month. The homeownership rate is 52.2%, compared to the national rate of 64.4%.
In Miami-Dade County, 34.4% of residents aged 25 and older hold a bachelor's degree or higher, 2.0% above the national average of 33.7%. Health insurance coverage stands at 86.4% of the population. The average commute time for workers is 34.3 min.
Miami-Dade County is a diverse community. The largest racial or ethnic group is Hispanic or Latino at 69.3% of the population, followed by Black (non-Hispanic) (14.1%) and White (non-Hispanic) (12.6%).
All data for Miami-Dade County, Florida comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.