St. Lucie County's estimated 2026 population is 413,306 with a growth rate of 2.7% in the past year according to the most recent United States census data. St. Lucie County is the 20th largest county in Florida. The 2010 population was 278,290 and has seen a growth of 48.52% since that time.
Data after 2023 is projected based on recent change
Overall: 45.1 years
Female: 46.3 years
Male: 44 years
There are 289,599 adults, (88,534 of whom are seniors) in St. Lucie County.
Female: 183,363 (50.9%)
Male: 177,137 (49.1%)
The racial composition of St. Lucie County includes 56.93% White, 21.63% Black or African American, 4.94% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 205,243 | 56.93% |
| Black or African American | 77,974 | 21.63% |
| Two or more races | 50,253 | 13.94% |
| Other race | 17,809 | 4.94% |
| Asian | 7,097 | 1.97% |
| Native American | 2,001 | 0.56% |
| Native Hawaiian or Pacific Islander | 123 | 0.03% |
St. Lucie County's average per capita income is $44,462. Household income levels show a median of $71,457. The poverty rate stands at 12.28%.
Name | Median | Mean |
|---|---|---|
| Married Families | $94,549 | $117,237 |
| Families | $82,201 | $104,986 |
| Households | $71,457 | $92,386 |
| Non Families | $39,924 | $57,549 |
Average Income
Median Household Income
Poverty Rate