Port St. Lucie had 268,062 residents on July 1, 2025, the Census Bureau estimates, up 31% since 2020 and now Florida's fifth-largest city. Age, income, housing.
Last checked Oct. 10, 2026. Every figure on this page comes from the U.S. Census Bureau and is linked to the table it came from. Questions about Census data: the Census Bureau’s customer line, 1-800-923-8282. This page is updated when the bureau publishes new figures.
Port St. Lucie had an estimated 268,062 residents on July 1, 2025, according to the Census Bureau’s Vintage 2025 city and town population estimates. That is 63,211 more people (30.9%) than the 2020 census counted, and it moved Port St. Lucie past St. Petersburg to become Florida’s fifth-largest city, behind Jacksonville, Miami, Tampa and Orlando. From 2024 to 2025 the city added 9,131 people, more than any other city in Florida.
What this means for you
- The city says growth of more than 60,000 residents since 2020 has required spending on roads, drainage, utilities and public safety.
- Two of every three St. Lucie County residents now live in Port St. Lucie.
- Full local figures: the Census Bureau’s QuickFacts for Port St. Lucie.
Growth since 2010
| Year | Population | Source |
|---|---|---|
| 2010 | 164,603 | 2010 census |
| 2020 | 204,851 | 2020 census |
| 2021 | 217,881 | Estimate, July 1 |
| 2022 | 232,878 | Estimate, July 1 |
| 2023 | 247,573 | Estimate, July 1 |
| 2024 | 258,931 | Estimate, July 1 |
| 2025 | 268,062 | Estimate, July 1 |
The city grew 24.5% between the 2010 and 2020 censuses and has added about as many people again in the five years since. Since 2010 the population is up 62.9%. The city puts its 1961 population at fewer than 300.
Who lives here
From the Census Bureau’s 2020-2024 American Community Survey five-year estimates, the latest detailed figures:
| Measure | Port St. Lucie | St. Lucie County | Florida |
|---|---|---|---|
| Median age | 43.9 | 45.1 | 42.6 |
| Under 18 | 20.4% | 19.7% | 19.5% |
| 65 and older | 21.8% | 24.6% | 21.3% |
| Median household income | $80,648 | $71,457 | $74,568 |
| Bachelor’s degree or higher (25+) | 28.1% | 26.7% | 34.1% |
| People below the poverty line | 9.5% | 12.3% | 12.6% |
Sources: age, income and poverty, education and households.
Port St. Lucie is somewhat younger and better off than the county as a whole, with a smaller share of residents 65 and older and a lower poverty rate.
Households and housing
| Measure | Port St. Lucie |
|---|---|
| Households | 83,952 |
| Average household size | 2.76 |
| Housing units | 90,911 |
| Owner-occupied homes | 84.0% |
| Median home value (owner estimate) | $369,200 |
| Median gross rent | $1,937 |
Source: ACS housing profile. Port St. Lucie’s homeownership rate, 84%, is far above Florida’s 67.6%. Current market values are on our home prices page.
Compared with the county and neighbors
| Place | 2020 census | 2025 estimate | Median age | Median household income |
|---|---|---|---|---|
| Port St. Lucie | 204,851 | 268,062 | 43.9 | $80,648 |
| St. Lucie County | 329,226 | 402,449 | 45.1 | $71,457 |
| Fort Pierce | 47,297 | 51,737 | 37.2 | $47,072 |
| Palm City (CDP) | 25,883 | n/a | 52.1 | $125,820 |
| Stuart | 17,425 | 19,451 | 48.6 | $60,225 |
| Jensen Beach (CDP) | 12,652 | n/a | 56.3 | $70,884 |
Census-designated places such as Palm City and Jensen Beach are unincorporated and get no yearly city estimate. Ages and incomes are 2020-2024 ACS figures. St. Lucie County grew 22.2% from 2020 to 2025, and Port St. Lucie made up 66.6% of its population in 2025.
How to read these numbers
- Census counts (2010, 2020) are full counts as of April 1.
- Estimates (2021 to 2025) are the bureau’s July 1 figures, revised each year.
- ACS figures are averages of surveys from 2020 through 2024 and carry margins of error.
Related: home prices, schools, history and landmarks and moving to Port St. Lucie.
Frequently asked questions
What is the population of Port St. Lucie?
The Census Bureau estimates Port St. Lucie had 268,062 residents on July 1, 2025. The 2020 census counted 204,851.
Is Port St. Lucie the fastest-growing city in Florida?
It added more people than any other Florida city from 2024 to 2025, 9,131, according to the Census Bureau’s estimates. It has grown 30.9% since the 2020 census.
Is Port St. Lucie bigger than St. Petersburg?
Yes, by the 2025 estimates: 268,062 to 264,033. That makes Port St. Lucie Florida’s fifth-largest city, after Jacksonville, Miami, Tampa and Orlando.
What is the median household income in Port St. Lucie?
$80,648 in the Census Bureau’s 2020-2024 American Community Survey, above St. Lucie County’s $71,457 and Florida’s $74,568.
What is the median age in Port St. Lucie?
43.9 years, according to the 2020-2024 American Community Survey, compared with 45.1 for St. Lucie County and 42.6 for Florida.
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