St. Johns County, Florida Population 2021

St. Johns County, Florida's estimated population is 286,388 with a growth rate of 3.94% in the past year according to the most recent United States census data. St. Johns County, Florida is the 25th largest county in Florida. The 2010 Population was 191,249 and has seen a growth of 49.75% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
2021286,38810,8583.94%
2020275,53010,8584.10%
2019264,67210,8584.28%
2018253,81410,1214.15%
2017243,6938,8653.78%
2016234,8288,4663.74%
2015226,3628,5263.91%
2014217,8368,3974.01%
2013209,4397,3733.65%
2012202,0665,9603.04%
2011196,1064,8572.54%
2010191,249107,420128.14%
199083,82932,52663.40%
198051,30320,57666.96%
197030,7276932.31%
196030,0345,03620.15%
195024,9984,98624.92%
194020,0121,3367.15%
193018,6765,61542.99%
192013,061-147-1.11%
191013,2084,04344.11%
19009,1654535.20%
18908,7124,17792.11%
18804,5351,91773.22%
18702,618-420-13.82%
18603,03851320.32%
18502,525-169-6.27%
18402,6941566.15%
18302,5380.00%
2021 Growth Rate
3.94%
County Website
State
Founded
July 21, 1821
County Seat
2010 Population
191,249
Growth (since 2010)
49.75%
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St. Johns County, Florida Population Growth

Population by Race

Race Population Percentage
White216,33188.42%
Black or African American13,2245.40%
Asian6,5952.70%
Two or More Races5,9702.44%
Some Other Race1,4190.58%
American Indian and Alaska Native9430.39%
Native Hawaiian and Other Pacific Islander1920.08%
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St. Johns County, Florida Population by Race

St. Johns County, Florida Population Pyramid 2021

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St. Johns County, Florida Median Age

43.7


Total

42.5


Male

44.7


Female

St. Johns County, Florida Adults

There are 191,259 adults, (48,237 of whom are seniors) in St. Johns County, Florida.

St. Johns County, Florida Age Dependency

71.1

Age Dependency Ratio

33.7

Old Age Dependency Ratio

37.3

Child Dependency Ratio

St. Johns County, Florida Sex Ratio

Female

125,619

51.34%

Male

119,055

48.66%

St. Johns County, Florida Population by Age

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

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St. Johns County, Florida Household Types

Type Owner Renter
Married88.3%11.7%
All80.4%19.6%
Male73.3%26.7%
Non Family70.9%29.1%
Female59.5%40.5%

80.4%

Rate of Home Ownership

St. Johns County, Florida Households and Families

Type Count Average Size Owned
All88,7732.7380.4
Married53,4193.1488.3
Non Family24,4451.4170.9
Female8,2203.7559.5
Male2,6893.4273.3

3.16

Average Family Size

2.73

Average Household Size

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St. Johns County, Florida Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,8891.67%
9th to 12th Grade6,0873.51%
High School Graduate37,11721.41%
Some College34,51319.90%
Associates Degree15,2798.81%
Bachelors Degree48,72128.10%
Graduate Degree28,79716.61%
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St. Johns County, Florida Educational Attainment by Sex (over 25)

St. Johns County, Florida Educational Attainment by Race

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Name Total High School Bachelors
White147,650141,20967,308
Hispanic10,7279,6244,296
Black8,4007,3392,143
Asian4,7744,5693,131
Multiple Races2,2812,097900
Other Race719603249
Native American479400200
Islander986316

The highest rate of high school graduation is among asian people with a rate of 95.71%.

The highest rate of bachelors degrees is among asian people with a rate of 65.58%.

St. Johns County, Florida Educational Attainment by Race

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Name Average Male Female
Overall$46,916$58,483$36,223
Less Than High School$24,741$28,627$14,871
High School Grad$32,191$38,179$26,005
Some College$40,610$49,417$32,509
Bachelors Degree$56,940$86,100$42,578
Graduate Degree$77,934$104,359$55,895

$46,916

Average Earnings

$58,483

Average Male

$36,223

Average Female

St. Johns County, Florida Earnings by Educational Attainment

St. Johns County, Florida Language by Age

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St. Johns County, Florida Language

91.51% of St. Johns County, Florida residents speak only English, while 8.49% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.91% of the population.

St. Johns County, Florida Language

St. Johns County, Florida Poverty by Race

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Name Total In Poverty Poverty Rate
White199,86314,3097.16%
Black12,9232,92922.67%
Hispanic16,8781,69510.04%
Multiple5,9484707.90%
Other1,37433124.09%
Asian6,5773264.96%
Native943535.62%
Islander1922814.58%

8.18%

Overall Poverty Rate

7.66%

Male Poverty Rate

8.67%

Female Poverty Rate

Poverty in St. Johns County, Florida

The race most likely to be in poverty in St. Johns County, Florida is Other, with 24.09% below the poverty level.

The race least likely to be in poverty in St. Johns County, Florida is Asian, with 4.96% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.81%. Among those working part-time, it was 10.59%, and for those that did not work, the poverty rate was 14.24%.

St. Johns County, Florida Poverty

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Name Poverty
Less Than High School20.60%
High School12.71%
Some College6.57%
Bachelors or Greater4.11%

St. Johns County, Florida Poverty Rate by Education

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Name Poverty
Female Unemployed23.00%
Male Unemployed20.20%
Female Employed5.32%
Male Employed3.43%

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

St. Johns County, Florida Income by Household Type

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Name Median Mean
Households$82,252$113,475
Families$99,320$131,380
Married Families$109,876$144,372
Non Families$44,563$62,121
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Income by Household Type

St. Johns County, Florida Marital Status

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Marriage Rates

56.3%

Overall Marriage Rate

59.0%

Male Marriage Rate

53.7%

Female Marriage Rate

St. Johns County, Florida Married by Age and Sex

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St. Johns 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 35-44.

St. Johns County, Florida Marital Status by Race

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St. Johns County, Florida Marital Status

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20,491

Number of Veterans

18,358

Male Veterans

2,133

Female Veterans

War Veterans
Vietnam7,086
First Gulf War5,676
Second Gulf War3,645
Korea1,927
World War II585

St. Johns County, Florida Veterans by War

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Age Group Veterans
65 to 745,661
35 to 545,276
75+5,054
55 to 643,447
18 to 341,053

St. Johns County, Florida Veterans by Age

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Name Veterans % of Total
White18,41410.77%
Black1,24412.65%
Hispanic9828.09%
2 or More35912.29%
Asian2665.19%
Indian12917.99%
Other688.26%
Hawaiian117.33%

St. Johns County, Florida Veterans by Race

St. Johns County, Florida Veterans by Education

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6.69%

Veteran Poverty Rate

25.21%

Veteran Disability Rate

St. Johns County, Florida Veterans by Education

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59.9%

Labor Force Participation

56.8%

Employment Rate

4.6%

Unemployment Rate

St. Johns County, Florida Employment by Age

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St. Johns County, Florida Employment by Race

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St. Johns 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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35.62%

Born in Florida

92.76%

Native Born

7.24%

Foreign Born

2.40%

Non Citizen

4.84%

Naturalized

Place of Birth

92.76% of St. Johns County, Florida residents were born in the United States, with 35.62% having been born in Florida. 2.40% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

St. Johns 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