St. Lucie County Demographics

A map of St. Lucie County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	184,223	176,533	51.1%	53.6%
Hispanic	78,741	66,320	21.8%	20.1%
Black	75,302	64,597	20.9%	19.6%
Multiracial	12,521	12,919	3.5%	3.9%
Asian	7,046	5,678	2.0%	1.7%
Native American/Other	2,667	3,179	0.7%	1.0%

St. Lucie County, Florida has an estimated population of 360,500, an increase from the 329,226 recorded in the 2020 Census. The population is 51.1% White, 21.8% Hispanic, 20.9% Black, 3.5% Multiracial, 2.0% Asian, and 0.7% Native American/Other. This demographic dot map shows the population of St. Lucie County, with one dot drawn for each person counted by the Census, color-coded by race.

St. Lucie has become more racially diverse since the 2020 Census. It is about as diverse as Florida overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In St. Lucie County, that probability was 63.1% in 2020 and 64.6% in the most recent ACS estimates.

St. Lucie County is ranked the 20th most populous county in Florida, out of 67 counties. St. Lucie County was ranked the 20th most populous county in the 2020 Census.

St. Lucie County's White Population

184,223 residents of St. Lucie County, or 51.1% of the population, identify as White. The share of White residents in St. Lucie County is comparable to the share in Florida overall, where 50.4% of the population is White. St. Lucie County ranks 57th statewide in terms of White residents as a share of the population, out of 67 counties.

Since the 2020 Census, St. Lucie County's White population has grown by an estimated 4.4%. White residents' share of St. Lucie County's population has decreased from 53.6% to 51.1%.

St. Lucie County is more White than neighboring Palm Beach County (49.6% White). St. Lucie County is less White than neighboring Martin County (74.8% White), Indian River County (72.5% White), Okeechobee County (61.8% White), and Glades County (54.6% White).

St. Lucie County's Black Population

75,302 residents of St. Lucie County, or 20.9% of the population, identify as Black. The share of Black residents in St. Lucie County is higher than in Florida overall, where 14.6% of the population is Black. St. Lucie County ranks 11th statewide in terms of Black residents as a share of the population, out of 67 counties.

Since the 2020 Census, St. Lucie County's Black population has grown by an estimated 16.6%. Black residents' share of St. Lucie County's population has increased from 19.6% to 20.9%.

St. Lucie County is more Black than neighboring Martin County (4.7% Black), Indian River County (7.7% Black), Okeechobee County (7.5% Black), Palm Beach County (18.1% Black), and Glades County (14.7% Black).

St. Lucie County's Asian Population

7,046 residents of St. Lucie County, or 2.0% of the population, identify as Asian. The share of Asian residents in St. Lucie County is comparable to the share in Florida overall, where 2.9% of the population is Asian. St. Lucie County ranks 25th statewide in terms of Asian residents as a share of the population, out of 67 counties.

Since the 2020 Census, St. Lucie County's Asian population has grown by an estimated 24.1%. Asian residents' share of St. Lucie County's population has remained roughly unchanged at 2.0%.

St. Lucie County is more Asian than neighboring Martin County (1.3% Asian), Indian River County (1.5% Asian), Okeechobee County (0.7% Asian), and Glades County (0.5% Asian). St. Lucie County is less Asian than neighboring Palm Beach County (2.8% Asian).

St. Lucie County's Hispanic Population

78,741 residents of St. Lucie County, or 21.8% of the population, identify as Hispanic. The share of Hispanic residents in St. Lucie County is lower than in Florida overall, where 27.4% of the population is Hispanic. St. Lucie County ranks 18th statewide in terms of Hispanic residents as a share of the population, out of 67 counties.

Since the 2020 Census, St. Lucie County's Hispanic population has grown by an estimated 18.7%. Hispanic residents' share of St. Lucie County's population has increased from 20.1% to 21.8%.

St. Lucie County is more Hispanic than neighboring Martin County (15.9% Hispanic), and Indian River County (13.9% Hispanic). St. Lucie County is less Hispanic than neighboring Okeechobee County (26.1% Hispanic), Palm Beach County (24.4% Hispanic), and Glades County (25.7% Hispanic).

St. Lucie County's Native American/Other Population

2,667 residents of St. Lucie County, or 0.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in St. Lucie County is comparable to the share in Florida overall, where 0.8% of the population is Native American/Other. St. Lucie County ranks 15th statewide in terms of Native American/Other residents as a share of the population, out of 67 counties.

Since the 2020 Census, St. Lucie County's Native American/Other population has declined by an estimated 16.1%. Native American/Other residents' share of St. Lucie County's population has remained roughly unchanged at 0.7%.

St. Lucie County is more Native American/Other than neighboring Martin County (0.4% Native American/Other). St. Lucie County is less Native American/Other than neighboring Indian River County (1% Native American/Other), Palm Beach County (1% Native American/Other), and Glades County (3.5% Native American/Other).

St. Lucie County's Multiracial Population

12,521 residents of St. Lucie County, or 3.5% of the population, identify as Multiracial. The share of Multiracial residents in St. Lucie County is comparable to the share in Florida overall, where 3.8% of the population is Multiracial. St. Lucie County ranks 25th statewide in terms of Multiracial residents as a share of the population, out of 67 counties.

Since the 2020 Census, St. Lucie County's Multiracial population has declined by an estimated 3.1%. Multiracial residents' share of St. Lucie County's population has remained roughly unchanged at 3.5%.

St. Lucie County is more Multiracial than neighboring Martin County (2.9% Multiracial), Okeechobee County (3.2% Multiracial), and Glades County (1.1% Multiracial). St. Lucie County is less Multiracial than neighboring Palm Beach County (4.1% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.