Port St. Lucie growth rate is now five times higher than Miami‘s, making it Florida’s fastest-growing large city in 2025. This rapid expansion has sparked debate over whether Port St. Lucie could soon surpass Miami in population, but current data shows that such a shift is unlikely in the next few years. For more insight into why Port St. Lucie is leading among Florida’s 55+ communities, check out the top five reasons Port St. Lucie stands out in 2025.
Port St. Lucie Growth Rate Compared to Miami
Port St. Lucie has become a focal point for population growth in Florida. In 2025, the city reached a population of 270,491, while Miami stands at 464,655 residents. The annual growth rate in Port St. Lucie is 4.94%, compared to Miami’s 0.95%.
This means Port St. Lucie is expanding at a pace five times faster than Miami. Among Florida cities with populations above 20,000, Port St. Lucie leads in growth rate, outpacing not only Miami but also other major urban centers. For a comprehensive overview of recent growth trends and new discoveries in Port St. Lucie, explore our in-depth analysis.
City Size, Density, and Metro Area Comparison
When comparing city size, Port St. Lucie covers 119 square miles, three times larger than Miami’s 36 square miles. However, Miami is much more densely populated, with 12,286 people per square mile, while Port St. Lucie has a density of 1,718 people per square mile.
Looking at the broader metropolitan areas, the Miami metro region is home to 6,317,000 people, making it 11 times larger than the Port St. Lucie metro area, which has 574,000 residents. This significant difference highlights the scale of Miami’s urban influence.
Growth Projections Through 2040
Projections indicate that by 2035, Port St. Lucie could reach a population of approximately 306,000, while Miami is expected to remain steady at about 465,000. If current trends continue, Port St. Lucie may surpass Miami city proper in population between 2035 and 2040.
However, the Miami metro area is projected to maintain its dominance for the foreseeable future. The size and economic strength of the Miami region make it unlikely that Port St. Lucie will overtake it this century.
Key Population and Growth Figures (2025)
- Miami city population: 464,655
- Port St. Lucie city population: 270,491
- Miami metro area: 6,317,000
- Port St. Lucie metro area: 574,000
- Miami annual growth rate: 0.95%
- Port St. Lucie annual growth rate: 4.94%
Strategic Location and Urban Planning
Port St. Lucie is strategically located 110 miles from both Miami and Orlando. This central position makes it a potential logistics hub for Florida, offering access to major highways and transportation networks.
The city’s larger land area allows for continued housing development and population expansion. In contrast, Miami’s limited space and higher density restrict its ability to grow outward. The increasing demand for homes is also drawing attention from buyers in other metropolitan areas—discover more about this trend in our feature on rising interest in Port St. Lucie real estate among top metros.
National Rankings and Recognition
According to 2022–2023 Census data, Port St. Lucie ranked as the fifth fastest-growing metro area in the United States. This recognition reflects the city’s strong appeal to new residents and businesses seeking growth opportunities. For more official population data and trends, consult the U.S. Census Bureau.
The combination of available land, new housing, and strategic location has positioned Port St. Lucie as a key player in Florida’s evolving urban landscape.
Analysis of Google AI Population Claim
Recent claims, including one from Google AI, suggested that “Port St. Lucie is expected to grow to surpass Miami in population in the next few years.” However, current demographic trends and official projections do not support this statement.
At the present growth rates, Port St. Lucie will not overtake Miami city before 2035. Surpassing the Miami metro area is not considered plausible within this century, given the vast difference in population and economic scale.
Factors Driving Port St. Lucie’s Growth
- Affordable housing compared to South Florida markets
- Lower population density and more available land
- Proximity to major cities like Miami and Orlando
- Recognition as a top growth metro nationally
Frequently Asked Questions About Port St. Lucie Growth Rate
What is the current growth rate of Port St. Lucie?
Port St. Lucie’s annual growth rate in 2025 is 4.94%, making it the fastest-growing large city in Florida.
How does Port St. Lucie’s population compare to Miami’s?
As of 2025, Port St. Lucie has 270,491 residents, while Miami has 464,655. Miami remains the larger city, but Port St. Lucie is growing more quickly.
Are there projections for Port St. Lucie to surpass Miami in population?
Current projections show Port St. Lucie could overtake Miami city proper in population between 2035 and 2040, but not before then. The Miami metro area will remain much larger for the foreseeable future.
Can you explain why Port St. Lucie is growing so fast?
Port St. Lucie’s rapid growth is driven by affordable housing, more available land, and its location near major Florida cities. These factors attract new residents and businesses each year.
Where are the fastest-growing areas in Port St. Lucie?
New developments and neighborhoods throughout Port St. Lucie are experiencing strong growth, especially in western and southern parts of the city.
For a detailed look at Port St. Lucie’s growth rate and future trends, Download our FREE guide .
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