St. Johns County, Florida
Population, Census, April 1, 2020 273,425
People
Population
Population estimates, July 1, 2025, (V2025) 346,328
Population estimates, July 1, 2024, (V2024) 334,928
Population estimates base, April 1, 2020, (V2025) 273,426
Population estimates base, April 1, 2020, (V2024) 273,423
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 26.7%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 22.5%
Population, Census, April 1, 2020 273,425
Population, Census, April 1, 2010 190,039
Age and Sex
Persons under 5 years, percent 4.4%
Persons under 18 years, percent 21.2%
Persons 65 years and over, percent 21.6%
Female persons, percent 50.9%
Race and Hispanic Origin
White alone, percent 86.3%
Black alone, percent(a) 5.7%
American Indian and Alaska Native alone, percent(a) 0.4%
Asian alone, percent(a) 5.0%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.1%
Two or More Races, percent 2.5%
Hispanic or Latino, percent(b) 9.7%
White alone, not Hispanic or Latino, percent 77.6%
Population Characteristics
Veterans, 2020-2024 23,534
Foreign-born persons, percent, 2020-2024 9.4%
Housing
Housing Units, July 1, 2025, (V2025) 152,804
Owner-occupied housing unit rate, 2020-2024 82.2%
Median value of owner-occupied housing units, 2020-2024 $489,200
Median selected monthly owner costs - with a mortgage, 2020-2024 $2,351
Median selected monthly owner costs - without a mortage, 2020-2024 $728
Median gross rent, 2020-2024 $1,922
Building Permits, 2025 4,735
Families & Living Arrangements
Households, 2020-2024 115,794
Persons per household, 2020-2024 2.62
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 85.5%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 11.4%
Computer and Internet Use
Households with a computer, percent, 2020-2024 97.4%
Households with a broadband Internet subscription, percent, 2020-2024 95.4%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 95.8%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 50.9%
Health
With a disability, under age 65 years, percent, 2020-2024 7.4%
Persons without health insurance, under age 65 years, percent 7.5%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 60.3%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 53.8%
Total accommodation and food services sales, 2022 ($1,000)(c) 1,291,398
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 1,412,417
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 337,328
Total retail sales, 2022 ($1,000)(c) 5,416,405
Total retail sales per capita, 2022(c) $17,639
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 26.9
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $109,839
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $57,346
Persons in poverty, percent 5.8%
Businesses
Businesses
Total employer establishments, 2023 8,633
Total employment, 2023 80,082
Total annual payroll, 2023 ($1,000) 4,042,403
Total employment, percent change, 2022-2023 3.3%
Total nonemployer establishments, 2023 32,619
All employer firms, Reference year 2023 7,905
Male-owned employer firms, Reference year 2023 4,600
Female-owned employer firms, Reference year 2023 1,661
Minority-owned employer firms, Reference year 2023 828
Nonminority-owned employer firms, Reference year 2023 6,457
Veteran-owned employer firms, Reference year 2023 371
Nonveteran-owned employer firms, Reference year 2023 6,825
Geography
Geography
Population per square mile, 2020 455.2
Population per square mile, 2010 316.4
Land area in square miles, 2020 600.64
Land area in square miles, 2010 600.66
FIPS Code 12109