St. Johns County
St. Johns County is significantly wealthier than the US average, with a median household income of $109,839. The county has more than doubled in size since 2000, adding 183,799 residents. 51% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has roughly tripled since 2000, reaching $489,200. With a median age of 44.2, the population is older than the US median of 38.9. It ranks in the top 1% of US counties for household income.
Population & growth
PEP 2025 EST:346,328 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
+ 9 more hispanic origin groups with data
+ 3 more asian origin groups with data
+ 45 more ancestry groups with data
Education
Commute & transportation
Work & employment
People & community
Places similar to St. Johns County
Compare St. Johns County to nearby counties
How many people live in St. Johns County, Florida?
St. Johns County, Florida has about 306,934 residents according to the 2024 American Community Survey.
What is the median household income in St. Johns County, Florida?
The typical household in St. Johns County, Florida earns about $109,839 a year. Half of households make more than that, and half make less.
Is St. Johns County, Florida expensive?
In St. Johns County, Florida, the median home is worth about $489,200, and the typical rent is about $1,922 a month.
How educated are people in St. Johns County, Florida?
About 50.9% of adults age 25 and over in St. Johns County, Florida hold a bachelor's degree or higher.
What is the poverty rate in St. Johns County, Florida?
About 6.5% of people in St. Johns County, Florida live below the federal poverty line.
Has St. Johns County, Florida grown since 1990?
Yes, St. Johns County, Florida has grown since 1990. The population has added about 223,105 residents, a change of about 266 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024