St. Lucie County, FL Population

Overview

324,599

Total Population

45.3

Median age

50.90%

Female population %

96.5:100

Gender ratio (M:F)

60-64 years

Largest age group

67.6

Total dependency ratio

White

Largest racial group

64,973

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

St. Lucie County's population is old compared to the rest of the country:

The median age in St. Lucie County is 45.3, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
St. Lucie County's population under 18 was 19.92%, compared to the 22.51% nationwide.
St. Lucie County's elderly or the senior population (over 65 age) was 23.97% as compared to 16.04% nationwide.
Of the total population in St. Lucie County, 16.37% were under the age of 15, 16.36% aged 15 to 29, 43.30% aged 30 to 64, 21.43% aged 65 to 84, and 2.54% were 85 years of age and older.

There are 5,833 more females than males in St. Lucie County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.90% females and 49.10% males in St. Lucie County, FL.
The St. Lucie County, FL gender ratio is 96.5:100 i.e. 96.5 men to 100 women (0.965).
For male population, the largest age group is 60-64 years with a population of 11,361.
For the female population, the largest age group is 55-59 years with a population of 12,176.

St. Lucie County's population has become increasingly diverse:

Racial distribution of St. Lucie County population: 66.45% are White, 20.42% are Black or African American, 0.31% are American Indian and Alaska Native, 2.02% are Asian, 0.05% are Native Hawaiian and other Pacific Islander, 3.19% are some other race and 7.55% are multiracial.
St. Lucie County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 64,973 is Hispanic or Latino (of any race), and 259,626 (79.98% of the total population) is Non-Hispanic.
The largest racial group in St. Lucie County is White with a population of 215,702 (66.45% of the total population).

St. Lucie County's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 358,704 in the year 2022
From 2000 to 2010, St. Lucie County's population increased by 84,890 (43.89%), as compared to the national growth of 9.63%.
From 2010 to 2020, St. Lucie County's population increased by 53,138 (19.09%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, St. Lucie County's population was lowest in year 2000 at 193,400.