St. Lucie County, Florida Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
St. Lucie County, FL Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
-
C
Health Below average
-
C
Income Below average
-
D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | St. Lucie County | Florida Avg | U.S. Average |
|---|---|---|---|
| Population | 360,498 | 22,388,905 | 337,468,954 |
| Population density (per sq mi) | 524.4 | 313.4 | 86.4 |
| Population growth (%/yr) | 2.62% | 1.47% | 0.59% |
| Median age | 45.3 | 40.2 | 37.3 |
| Households | 137,452 | 8,743,019 | 130,235,071 |
Population in St. Lucie County grew by 40.9% from 2009 to 2024, reaching 360,498 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in St. Lucie County is Boomers, aged 61–79, at 22.1% of residents. That is 2.5 points above Florida as a whole.
- Gen Z 13–28 64,890 18.0% -1.4 pts
- Millennials 29–44 67,329 18.7% -1.9 pts
- Gen X 45–60 74,695 20.7% on par
- Boomers 61–79 79,799 22.1% +2.5 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Florida, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 51.0% of the people living in St. Lucie County and men 49.0%.
- Women 51.0% Florida 51.0%
- Men 49.0% Florida 49.0%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in St. Lucie County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
St. Lucie County has a the economy index of C, which means it is somewhat prosperous.
| Metric | St. Lucie County | Florida Avg | U.S. Average |
|---|---|---|---|
| Median household income | $71,643 | $74,580 | $80,455 |
| Income growth (%/yr) | 6.21% | 5.42% | 4.80% |
| Unemployment rate | 6.0% | 4.8% | 5.2% |
The median household income in St. Lucie County is about 4% lower than in Florida.
Housing
| Metric | St. Lucie County | Florida Avg | U.S. Average |
|---|---|---|---|
| Median home price | $278,803 | $311,338 | $248,835 |
| Median rent | $1,585 | $1,668 | $1,407 |
| Homeownership rate | 78.6% | 67.6% | 65.2% |
The median home price in St. Lucie County is about 14.7 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,585 per month for that long.
Commute Time & Mobility
Commuters in St. Lucie County spend about 52 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 218 hours, about 9.1 full days, spent commuting.
| Metric | St. Lucie County | Florida Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 26.2 | 24.0 | 22.4 |
| Round-trip commute (min) | 52.4 | 47.9 | 44.8 |
| Yearly time spent (hours) | 218 | 200 | 187 |
| Estimated yearly cost | $6,769 | $6,189 | $5,790 |
| Work from home | 12.1% | 15.7% | 15.0% |
| Highway traffic (vehicles/day) | 9,367 | 14,318 | 8,813 |
| Local road traffic (vehicles/day) | 3,070 | 3,068 | 1,355 |
Fastest commutes among counties in
Florida:
Taylor County (13.8 min), Monroe County (16.1 min), Franklin County (16.6 min).
Slowest:
Washington County (32.8 min), Osceola County (32.3 min), Liberty County (32.1 min).
The average commute time in St. Lucie County is 26 minutes, longer than the 24 minutes in Florida.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
St. Lucie County has a education index of D, which means it is barely educated.
| Metric | St. Lucie County | Florida Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 23.3% | 30.1% | 31.6% |
| Average household size | 2.60 | 2.50 | 2.53 |
Highest education index among counties in
Florida:
St. Johns County (0.4), Leon County (0.4), Alachua County (0.4).
Lowest:
Hamilton County (0.1), Hendry County (0.1), Hardee County (0.1).
Health
St. Lucie County has a health index of C, which means it is somewhat healthy.
| Metric | St. Lucie County | Florida Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 77.6 | 77.2 | 78.3 |
| Self-rated poor health | 21.1% | 19.5% | 16.3% |
| Smokers | 20.3% | 21.3% | 19.0% |
Highest health index among counties in
Florida:
St. Johns County (0.8), Seminole County (0.8), Alachua County (0.8).
Lowest:
Glades County (0.8), Putnam County (0.8), Hendry County (0.8).
St. Lucie County, FL Compared With Nearby Counties
St. Lucie County, FL is the 2nd largest of the 5 counties compared here, 360,498 residents against a local median of 163,627. St. Lucie County, FL's commute, at 26.2 min, runs 24% above the 21.1 min typical of the counties around it. That is the weaker end of the local range on this measure.
The counties themselves spread 4.9 min on commute, so St. Lucie County, FL sits at one end of an already wide local range rather than apart from it. St. Lucie County, FL has the 5th lowest commute of the 5 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| St. Lucie County, FL | 360,498 | $71,643 #4/5 | $278,803 #3/5 | 26.2 min #5/5 |
| Martin County, FL | 160,388 | $83,704 | $349,758 | 23.6 min |
| Indian River County, FL | 166,866 | $73,373 | $253,645 | 18.9 min |
| Okeechobee County, FL | 40,816 | $57,564 | $187,847 | 18.7 min |
| Palm Beach County, FL | 1,530,264 | $84,275 | $390,107 | 23.3 min |
Frequently Asked Questions
Common questions about St. Lucie County, Florida.
What is the population of St. Lucie County, Florida?
About 360,498 people live in St. Lucie County, Florida, in 137,452 households of 2.6 people on average. The median age is 45.3, so residents are older than the U.S. median of 37.3 by about 8 years.
Is St. Lucie County, Florida mostly urban or rural?
Averaged over its land area, St. Lucie County, Florida has 524 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is about 6.1 times the U.S. average of 86.
Can a typical household afford a home in St. Lucie County, Florida?
The median home costs 3.9 times the median household income ($278,803 against $71,643), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,585 a month takes about 27% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How educated are people in St. Lucie County, Florida?
23.3% of adults in St. Lucie County, Florida hold a bachelor's degree or higher (about 1 in 4), well below the U.S. share of 31.6%.
Analyze any area in the US
Get local demographics for any address, aggregated by drive time or radius, on the interactive map.
Explore the map →