St. Lucie County, Florida Population 2021

St. Lucie County, Florida's estimated population is 344,041 with a growth rate of 2.34% in the past year according to the most recent United States census data. St. Lucie County, Florida is the 21st largest county in Florida. The 2010 Population was 278,264 and has seen a growth of 23.64% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
2021344,0417,8722.34%
2020336,1697,8722.40%
2019328,2977,8722.46%
2018320,4257,2622.32%
2017313,1637,5972.49%
2016305,5668,2842.79%
2015297,2827,2372.50%
2014290,0454,7461.66%
2013285,2992,3680.84%
2012282,9312,5150.90%
2011280,4162,1520.77%
2010278,264128,09385.30%
1990150,17162,98972.25%
198087,18236,34671.50%
197050,83611,54229.37%
196039,29419,11494.72%
195020,1808,30969.99%
194011,8714,81468.22%
19307,057-829-10.51%
19207,8863,81193.52%
19104,0750.00%
2021 Growth Rate
2.34%
County Website
State
Founded
May 24, 1905
County Seat
2010 Population
278,264
Growth Since 2010
23.64%
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St. Lucie County, Florida Population Growth

Population by Race

Race Population Percentage
White228,61673.05%
Black or African American63,08720.16%
Two or More Races7,5132.40%
Asian6,3832.04%
Some Other Race5,7961.85%
American Indian and Alaska Native1,2840.41%
Native Hawaiian and Other Pacific Islander2680.09%
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St. Lucie County, Florida Population by Race

St. Lucie County, Florida Population Pyramid $2021

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St. Lucie County, Florida Median Age

45.1


Total

43.9


Male

46.5


Female

St. Lucie County, Florida Adults

There are 250,263 adults, (74,360 of whom are seniors) in St. Lucie County, Florida.

St. Lucie County, Florida Age Dependency

77.9

Age Dependency Ratio

42.3

Old Age Dependency Ratio

35.6

Child Dependency Ratio

St. Lucie County, Florida Sex Ratio

Female

160,220

51.20%

Male

152,727

48.80%

St. Lucie County, Florida Population by Age

St. Lucie County, Florida Renter vs Owner Occupied by Household Type

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St. Lucie County, Florida Household Types

Type Owner Renter
Married83.2%16.8%
All73.2%26.8%
Non Family68.2%31.8%
Male54%46%
Female52.7%47.3%

73.2%

Rate of Home Ownership

St. Lucie County, Florida Households and Families

Type Count Average Size Owned
All114,7612.773.2
Married58,1243.2183.2
Non Family37,2731.3268.2
Female13,7433.8452.7
Male5,6213.854

3.27

Average Family Size

2.7

Average Household Size

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St. Lucie County, Florida Households by Type

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Education Attained Count Percentage
Less Than 9th Grade12,4405.47%
9th to 12th Grade18,6688.21%
High School Graduate75,46933.21%
Some College48,90021.52%
Associates Degree22,6629.97%
Bachelors Degree31,69813.95%
Graduate Degree17,4347.67%
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St. Lucie County, Florida Educational Attainment by Sex (over 25)

St. Lucie County, Florida Educational Attainment by Race

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Race Total High School Bachelors
White144,515131,99034,958
Black40,11831,9896,285
Hispanic36,43827,3915,983
Asian4,4383,4381,429
Other Race3,4902,971464
2+ Races3,1632,578772
Native American991981550
Islander11811822

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among native american people with a rate of 55.50%.

St. Lucie County, Florida Educational Attainment by Race

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Name Average Male Female
Overall$32,065$36,936$28,754
Less Than 9th Grade$21,505$25,395$16,810
High School Graduate$28,606$33,611$20,913
Some College$35,163$40,492$30,970
Bachelors Degree$42,334$50,977$40,730
Graduate Degree$50,919$51,333$50,576

$32,065

Average Earnings

$36,936

Average Male

$28,754

Average Female

St. Lucie County, Florida Earnings by Educational Attainment

St. Lucie County, Florida Language by Age

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St. Lucie County, Florida Language

76.57% of St. Lucie County, Florida residents speak only English, while 23.43% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 15.12% of the population.

St. Lucie County, Florida Language

St. Lucie County, Florida Poverty by Race

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Name Total In Poverty Poverty Rate
White177,70019,80111.14%
Black62,23811,08117.80%
Hispanic59,0289,09415.41%
Multiple7,45790812.18%
Other5,70775813.28%
Asian6,38064110.05%
Native1,28437529.21%
Islander26816762.31%

13.32%

Overall Poverty Rate

12.05%

Male Poverty Rate

14.52%

Female Poverty Rate

Poverty in St. Lucie County, Florida

The race most likely to be in poverty in St. Lucie County, Florida is Islander, with 62.31% below the poverty level.

The race least likely to be in poverty in St. Lucie County, Florida is Asian, with 10.05% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.89%. Among those working part-time, it was 15.15%, and for those that did not work, the poverty rate was 18.50%.

St. Lucie County, Florida Poverty

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Name Poverty
Less Than 9th Grade22.58%
High School13.49%
Some College9.81%
Bachelors or Greater6.04%

St. Lucie County, Florida Poverty Rate by Education

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Rate Poverty
Female Unemployed26.63%
Male Unemployed26.39%
Female Employed8.10%
Male Employed4.79%

St. Lucie County, Florida Poverty Rate by Employment Status and Sex

St. Lucie County, Florida Income by Household Type

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Name Median Mean
Households$52,322$68,673
Families$61,739$78,946
Married Families$71,268$87,844
Non Families$31,400$44,020
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Income by Household Type

St. Lucie County, Florida Marital Status

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Marriage Rates

48.7%

Overall Marriage Rate

51.2%

Male Marriage Rate

46.3%

Female Marriage Rate

St. Lucie County, Florida Married by Age and Sex

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St. Lucie County, Florida Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

St. Lucie County, Florida Marital Status by Race

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St. Lucie County, Florida Marital Status

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24,495

Number of Veterans

22,406

Male Veterans

2,089

Female Veterans

War Veterans
Vietnam9,039
First Gulf War3,674
Second Gulf War3,499
Korea2,613
World War II1,305

St. Lucie County, Florida Veterans by War

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Age Group Veterans
75+8,121
65 to 746,784
35 to 544,465
55 to 643,391
18 to 341,734

St. Lucie County, Florida Veterans by Age

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Name Veterans % of Total
White21,30411.26%
Black2,4655.34%
Hispanic2,3905.66%
2+ Races50112.67%
Asian851.64%
Other Race711.64%
Native American696.65%

St. Lucie County, Florida Veterans by Race

St. Lucie County, Florida Veterans by Education

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5.63%

Veteran Poverty Rate

32.54%

Veteran Disability Rate

St. Lucie County, Florida Veterans by Education

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54.5%

Labor Force Participation

51.3%

Employment Rate

5.7%

Unemployment Rate

St. Lucie County, Florida Employment by Age

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St. Lucie County, Florida Employment by Race

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St. Lucie County, Florida Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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34.44%

Born in St. Lucie County, Florida

83.25%

Native Born

16.75%

Foreign Born

7.03%

Non Citizen

9.72%

Naturalized

Place of Birth

83.25% of St. Lucie County, Florida residents were born in the United States, with 34.44% having been born in Florida. 7.03% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

St. Lucie County, Florida Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources