St. Johns County, Florida Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 23rd-largest in Florida
The population of St. Johns County, Florida is 292,243 as of the 2023 American Community Survey, making it the 23rd-largest county in Florida. The median household income is $106,169, the median home value is $457,600, and the median age is 44.0.
The population of St. Johns County has grown 75.1% since 2010 (191,268 → 334,928), a +4.08% annualized rate.
292,243
Population
+4.08%
Annual growth
487
People / sq mi
$106,169
Median Income
$457,600
Median Home Value
St. Johns County covers 601 sq mi of land at 486.5 people per square mile.
About St. Johns County, FL
What sets St. Johns County apart is where people work — remote work is unusually prominent here, at 23.7% versus 14.0% nationally. St. Johns County is a county in Florida with a population of 292,243. It ranks #23 among counties in Florida by population.
Households here are among the highest-earning of all US counties: median income is $106,169, above the US median of $78,538. Very few residents live in poverty — 4.5%, below the national 12.4%. Home prices are steep, with the typical property valued at $457,600, with typical rent around $1,775.
St. Johns County is among the best-educated US counties: 48.6% of adults 25 and older hold a bachelor’s degree, above the national 35.0%. Working from home is common here: 23.7% of workers do so, above the national 14.0%, and the average commute runs about 27 minutes each way.
The remote-work concentration is telling in St. Johns County — it skews toward higher-income, college-educated workers and reshapes both commute patterns and housing demand.
St. Johns County Population History (2010-2024)
The county of St. Johns County had a population of 191,268 in 2010 and 334,928 in 2024, a 75.1% growth over 14 years. The peak was 334,928 in 2024. Average annual growth rate: 4.09%.
334,928
Population (2024)
191,268
Population (2010)
334,928
Peak (2024)
4.09%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 191,268 |
| 2011 | 196,165 |
| 2012 | 202,164 |
| 2013 | 209,579 |
| 2014 | 218,009 |
| 2015 | 226,582 |
| 2016 | 235,192 |
| 2017 | 244,067 |
| 2018 | 254,007 |
| 2019 | 265,068 |
| 2020 | 277,105 |
| 2021 | 293,292 |
| 2022 | 307,837 |
| 2023 | 321,510 |
| 2024 | 334,928 |
Race & Ethnicity
| White | 81.2% |
| Black or African American | 5.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.8% |
| Two or More Races | 0.0% |
Age & Sex
44.0
Median Age
51.0%
Female
49.0%
Male
20.9%
Age 65+
Age Distribution
Children (under 15): 17.5% · Seniors (65+): 20.9%
Income & Poverty
| Median household income | $106,169+$34,458 vs state |
| Mean household income | $143,324 |
| Per-capita income | $54,822 |
| Poverty rate | 4.5%-4.4% vs state |
| Unemployment rate | 2.3% |
| Employment-to-population | 57.7% |
Top Industries by Employment
The largest employment sector in St. Johns County is professional & business services, accounting for 19.9% of workers.
How residents commute
0.1%
Drive alone
0.8%
Carpool
66.6%
Public transit
23.7%
Work from home
27.2 min
Avg commute
Housing
$457,600+$132,600 vs state
Median home value
$1,775
Median rent
82.1%
Homeownership rate
127,144
Total housing units
85.6%
Occupied
14.4%
Vacant
17.9%
Renter-occupied
Social & access
93.6%
With health insurance
96.7%
With broadband internet
55.8%
Foreign-born
9.9%
Veterans (18+)
10.8%
With a disability
89.1%
Speak language other than English at home
Education
95.1%
High School+
48.6%
Bachelor's+
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Frequently Asked Questions
St. Johns County, Florida has a population of 292,243 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 23rd-largest county in Florida. Population density is 487 people per square mile.
The population of St. Johns County has grown 75.1% since 2010 (191,268 → 334,928), a +4.08% annualized rate.
The median household income in St. Johns County, Florida is $106,169, with mean (average) household income of $143,324 and per-capita income of $54,822. 4.5% of residents live below the federal poverty level.
In St. Johns County, the largest racial and ethnic groups are White (81.2%), Black or African American (5.2%), Hispanic or Latino (0.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in St. Johns County, Florida is 44.0 years. Residents are 51.0% female and 49.0% male.
The median home value in St. Johns County is $457,600 and median monthly rent is $1,775. 82.1% of occupied housing units are owner-occupied. The county has 127,144 total housing units, 14.4% of which are vacant.
The largest employment sector in St. Johns County, Florida is professional, scientific, and management services, employing 19.9% of workers. The unemployment rate is 2.3%.
Jacksonville is among the largest cities associated with St. Johns County, Florida, with a population of 961,739.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.