St Lucie County, FL demographics:
population, income, and more

Total population
378,816
4.1% year-over-year change
Median household income
$71,136/yr
8.3% year-over-year change
Housing units
170,053
3.4% year-over-year change

St Lucie County population

How many people live in St Lucie County

St Lucie County is home to 378,816 residents, according to the most recent Census data. Gender-wise, 49% of St Lucie County locals are male, and 51% are female.

Total population
378,816
4.1% year-over-year change
Gender ratio
Male
49%
185,656
Female
51%
193,160
Value Percent YoY change
Male 185,656 49% 4.0%
Female 193,160 51% 4.2%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in St Lucie County is 41, with the population distributed as follows: about 15.9% are children under 15, then 10.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 23.1% of the population, while another 25.8% fall into the 45 to 64 bracket. Finally, around 24.7% are 65 or older.

Median age
40.8
Age breakdown
Under 15
15.9%
15 to 24
10.5%
25 to 44
23.1%
45 to 64
25.8%
Over 65
24.7%
Value Percent YoY change
Under 15 60,126 15.9% 3.4%
15 to 24 39,910 10.5% 4.5%
25 to 44 87,594 23.1% 5.3%
45 to 64 97,594 25.8% 3.1%
Over 65 93,592 24.7% 4.4%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In St Lucie County, 78.8% of the population are US-born citizens, while 15% have gained naturalized citizenship. At the same time, 6.2% of residents are non-citizens. As for race, 58.3% of locals are Caucasian, 20.7% are African American and 2% have Asian roots. There’s also a share of 13.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
78.8%
Non-U.S.-born citizens
15%
Non-citizens
6.2%
Value Percent YoY change
U.S.-born citizens 298,557 78.8% 3.1%
Non-U.S.-born citizens 56,687 15% 8.6%
Non-citizens 23,572 6.2% 6.7%
Racial breakdown
White
58.3%
Black or African American
20.7%
American Indian and Alaska Native
0.5%
Asian
2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
13.7%
Other
4.8%
Value Percent
White 220,780 58.3%
Black or African American 78,264 20.7%
American Indian and Alaska Native 2,016 0.5%
Asian 7,646 2%
Native Hawaiian and other Pacific Islander 123 0%
Two or more races 51,777 13.7%
Other 18,210 4.8%

Households in St Lucie County

A peek inside St Lucie County households

St Lucie County has 145,468 households, with an average of 3 members in each. Of these, 68.5% are families, while the remaining 31.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
145,468
4.3% year-over-year change
Average people per household
3
Non-family households
45,842
Family households
99,626
Value Percent YoY change
Non-family households 45,842 31.5% 0.7%
Family households 99,626 68.5% 6.0%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in St Lucie County

The housing landscape of St Lucie County

St Lucie County's housing consists of 170,053 units, with 70.5% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 7% of the housing landscape.

Housing units
170,053
3.4% year-over-year change
Housing types
Value Percent
1 unit, detached 119,947 70.5%
1 unit, attached 5,126 3%
2 units 3,687 2.2%
3 or 4 units 5,987 3.5%
5 to 9 units 4,924 2.9%
10 to 19 units 6,570 3.9%
20 to 49 units 5,475 3.2%
50 or more units 6,241 3.7%
Mobile home 11,874 7%
Boat, RV, van, etc. 222 0.1%
Homes built since 2020
10,000
73.5% year-over-year change

The age of buildings in St Lucie County

In St Lucie County, the median construction year is 1991. About 0.7% of homes were built before the 1940s, with another 0.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 26.6% of homes were added from 2000 to 2009, 10.5% between 2010 and 2019, and 5.9% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 1,131 0.7% -20.6%
Built between 1940 and 1949 1,522 0.9% -13.2%
Built between 1950 and 1959 5,852 3.4% -0.9%
Built between 1960 and 1969 7,177 4.2% -3.0%
Built between 1970 and 1979 19,841 11.7% 0.3%
Built between 1980 and 1989 37,235 21.9% -1.3%
Built between 1990 and 1999 24,254 14.3% -2.2%
Built between 2000 and 2009 45,244 26.6% 4.0%
Built between 2010 and 2019 17,797 10.5% 8.1%
Built in 2020 or later 10,000 5.9% 73.5%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

St Lucie County occupancy rates

Out of the 145,468 occupied housing units in St Lucie County, 78.1% are owner-occupied, while 21.9% are lived in by tenants. Meanwhile, 14.5% of all homes on the local market sit vacant.

Occupied housing units
145,468
4.3% year-over-year change
Occupancy breakdown
Renter occupied
31,832
Owner occupied
113,636
Value Percent YoY
change
Renter occupied 31,832 21.9% -0.1%
Owner occupied 113,636 78.1% 5.5%
Unoccupied housing units
14.5%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

St Lucie County housing costs

Housing costs in St Lucie County come to a median of $1,353 per month, while tenants specifically pay a median gross rent of $1,649.

Median housing costs per month
$1,353/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in St Lucie County
$1,649/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in St Lucie County

St Lucie County education at a glance

About 36.9% of the population in St Lucie County went to high school, while 22.4% pursued college studies. Another 11.2% earned an associate degree and 16.7% hold a bachelor’s. Meanwhile, 8.7% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 12,500 4.1% 5.8%
High school diploma 112,619 36.9% 0.4%
College diploma 68,177 22.4% 4.7%
Associate degree 34,225 11.2% 5.5%
Bachelor's degree 50,787 16.7% 9.4%
Graduate degree 26,539 8.7% 8.1%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in St Lucie County

How much people earn in St Lucie County

The average annual household income in St Lucie County was $89,561 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +5.4% change from the previous year. At the same time, the median income stood at $71,136, reflecting a +8.3% shift over the same period.

Average household income in St Lucie County
$89,561/year
5.3% year-over-year change
Median household income in St Lucie County
$71,136/year
8.3% year-over-year change

St Lucie County income by age

In St Lucie County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $80,087. Those with someone between 45 and 64 in charge, often well established professionally, earn $89,292 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $69,513, while those led by someone over 65, many of whom may be retired, have about $54,286 in earnings. Overall, 87.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $69,513 50.8%
25 - 44 $80,087 2.9%
45 - 64 $89,292 8.8%
Over 65 $54,286 4.7%
Above poverty level
325,844
Below poverty level
45,362
Value Percent YoY
change
Above poverty level 325,844 87.8% 3.3%
Below poverty level 45,362 12.2% 9.4%

Employment in St Lucie County

Workforce and job types in St Lucie County

77.4% of the working population are employed in professional or administrative positions, while 22.6% are in hands-on or service-based jobs. Also, 13.1% run their own businesses, 67.6% are employed by private companies, and 12.2% work in the public sector.

Workforce demographics

White collar
127,811
Blue collar
37,328
Value Percent YoY change
White collar 127,811 77.4% 3.3%
Blue collar 37,328 22.6% 4.7%
Employer type
Self employees
13.1%
Private companies
67.6%
Governmental workers
12.2%
Not for profit companies
7.2%
Value Percent YoY change
Self employees 21,585 13.1% 6.7%
Private companies 111,590 67.6% 2.1%
Governmental workers 20,111 12.2% 9.7%
Not for profit companies 11,853 7.2% 3.1%

Transportation in St Lucie County

How people get around in St Lucie County

In St Lucie County, the average commute time is 81 minutes. Commuting methods vary: 97.8% of residents travel by personal vehicle and 1.2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
81 min
-41.3% year-over-year change
Means of transportation
Value Percent YoY change
Car 137,315 97.8% 1.5%
Taxicab 162 0.1% 548.0%
Bus or trolleybus 343 0.2% 0.0%
Railroad 220 0.2% 323.1%
Ferryboat 31 0% 0.0%
Motorcycle 104 0.1% -48.3%
Bicycle 548 0.4% -10.8%
Walk 1,700 1.2% -7.6%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in St Lucie County by zipcode?

Zipcode Population Number of households Median income Average income
34945 6,321 1,856 $87,568 $115,729
34946 6,852 2,831 $40,315 $54,719
34947 12,804 4,109 $51,811 $63,905
34949 7,470 4,146 $94,949 $121,259
34950 17,461 6,839 $30,400 $44,928
34951 17,148 7,419 $63,122 $80,013
34952 42,655 18,375 $61,628 $80,698
34953 86,875 28,211 $85,667 $107,651
34957 23,462 11,200 $70,403 $103,981
34981 5,031 1,742 $71,136 $85,976

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FAQs about St Lucie County demographics 

What is the total population of St Lucie County?

St Lucie County has a total population of 378,816 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +4.1% compared to a year ago.

What is the gender ratio in St Lucie County?

The gender ratio in St Lucie County is as follows:
  • 49% males (185,656 residents)
  • 51% females (193,160 residents)

What is the median age in St Lucie County?

The median age in St Lucie County is 40.8.

What is the age distribution of the population in St Lucie County?

The age distribution in St Lucie County is as follows:
  • Under 15: 15.9% (60,126 residents)
  • Ages 15-24: 10.5% (39,910 residents)
  • Ages 25-44: 23.1% (87,594 residents)
  • Ages 45-64: 25.8% (97,594 residents)
  • Over 65: 24.7% (93,592 residents)

What is the racial and ethnic makeup of St Lucie County?

The racial and ethnic makeup of St Lucie County is as follows:
  • White: 58.3% (220,780 residents)
  • Black or African American: 20.7% (78,264 residents)
  • American Indian and Alaska Native: 0.5% (2,016 residents)
  • Asian: 2% (7,646 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (123 residents)
  • Two or More Races: 13.7% (51,777 residents)
  • Other: 4.8% (18,210 residents)

What percentage of the population in St Lucie County are U.S.-born citizens?

U.S.-born citizens represent 78.8% of the population in St Lucie County.

How many housing units are there in St Lucie County?

There are 170,053 housing units in St Lucie County, reflecting a +3.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in St Lucie County and what is the average household size?

St Lucie County has a total of 145,468 households, with an average of 3 people in each.

What is the median household income in St Lucie County?

St Lucie County has a median household income of $71,136, representing a +8.3% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for St Lucie County?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 77.4% (127,811 residents)
  • Blue-collar workers: 22.6% (37,328 residents)

Places of employment:
  • Self-employed: 13.1% (21,585 residents)
  • Private companies: 67.6% (111,590 residents)
  • Governmental workers: 12.2% (20,111 residents)
  • Not-for-profit companies: 7.2% (11,853 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025