St. Lucie County, Florida
Located in Florida, St. Lucie County has a population of 360,500 residents and a median age of 45.1 years, making it the #208 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 12.3%. The median home value is $347,300, and the median household income is $71,457, which is 5% below the national median.
Demographics
St. Lucie County has a population of 360,500, making it the #208 most populous county in the US. The median age is 45.1 years, which is 15.9% 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 St. Lucie County is $71,457, ranking #1,091 out of 3,222 counties — 4.9% below the national median. The poverty rate is 12.3% and unemployment stands at 6.0%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in St. Lucie County is $347,300 (+23.2% vs national). Renters pay a median of $1,585/mo and the homeownership rate is 78.6%.
Median Home Value Trend
Rankings →Household Type
Education
In St. Lucie County, 26.7% of adults age 25+ hold a bachelor's degree or higher, which is 20.9% below the national average, ranking #1,041 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in St. Lucie County is 78.2 years. 19.0% of adults report poor or fair health and 14.1% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
15.4% of adults in St. Lucie County smoke , 34.7% are obese , and 21.4% report excessive drinking. The drug overdose death rate is 28.4 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in St. Lucie County is 6.3 per 100,000 and the suicide rate is 14.4 per 100,000. Motor vehicle deaths occur at a rate of 14.7 per 100,000.
Homicide Rate Trend
Families & Children
12.2% of children in St. Lucie County live in poverty and the infant mortality rate is 5.1 per 1,000 live births. The teen birth rate is 15.8 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in St. Lucie County is 72.6%. The mean commute time is 32.3 min, which is 17.0% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, St. Lucie County voted Republican with a margin of 9.1%. The vote was 45.1% Dem / 54.2% Rep. Compared to 2020, the margin shifted 7.6 toward Republicans .
Vote Share Over Time
About St. Lucie County, Florida
St. Lucie County, Florida has a total population of 360,500, making it the 208th most populous county in the United States. The median age in St. Lucie County is 45.1 years, which is 15.9% above the national median of 38.9 years.
The median household income in St. Lucie County is $71,457, which ranks #1,091 of 3,222 counties nationwide. This is 4.9% below the national median of $75,149. The poverty rate is 12.3%, lower than the national rate of 12.6%. The unemployment rate stands at 6.0%.
The median home value in St. Lucie County is $347,300, 23.2% above the national median. Renters in St. Lucie County pay a median gross rent of $1,585 per month. The homeownership rate is 78.6%, compared to the national rate of 64.4%.
In St. Lucie County, 26.7% of residents aged 25 and older hold a bachelor's degree or higher, 20.9% below the national average of 33.7%. Health insurance coverage stands at 88.6% of the population. The average commute time for workers is 32.3 min.
St. Lucie County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 51.1% of the population, followed by Hispanic or Latino (21.8%) and Black (non-Hispanic) (20.9%).
All data for St. Lucie 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.