St. Johns County, FL Population Statistics: Density Map Data

Analyze local population trends, population density map, housing costs, and the local economy.

Area Snapshot Statistics

Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.

B Healthiest county in Florida
B Wealthiest county in Florida
A Best educated county in Florida

Population: density and quick facts

Metric St. Johns County Florida Avg U.S. Average
Population 300,327 22,318,419 334,821,731
Population density (per sq mi) 365.8 312.4 85.8
Population growth (%/yr) 4.25% 1.35% 0.57%
Median age 42.6 40.2 37.1
Households 108,827 8,536,315 128,459,983

Population in St. Johns County grew by 67.0% from 2009 to 2023, reaching 292,243 in 2023.

Population Growth 2009–2023

Year St. Johns County

Race & Ethnicity

Group Share

Economy

St. Johns County has a the economy index of B, which means it is quite prosperous.

Metric St. Johns County Florida Avg U.S. Average
Median household income $105,817 $71,865 $78,145
Income growth (%/yr) 6.03% 5.65% 5.07%
Unemployment rate 3.9% 4.8% 5.2%

The median household income in St. Johns County is about 47% higher than in Florida.

Detailed wealth and income breakdown →

Housing

Metric St. Johns County Florida Avg U.S. Average
Median home price $385,257 $293,727 $242,182
Median rent $1,775 $1,564 $1,342
Homeownership rate 82.1% 67.3% 65.1%

The median home price in St. Johns County is about 18.1 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,775 per month for that long.

Full housing market analysis →

Commute Time & Mobility

Commuters in St. Johns County spend about 51 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 211 hours, about 8.8 full days, spent commuting.

Metric St. Johns County Florida Avg U.S. Average
One-way commute (min) 25.3 23.9 22.5
Round-trip commute (min) 50.7 47.9 44.9
Yearly time spent (hours) 211 200 187
Estimated yearly cost $6,548 $6,185 $5,803
Work from home 23.7% 13.9% 13.4%
Highway traffic (vehicles/day) 14,939 14,318 8,813
Local road traffic (vehicles/day) 3,496 3,068 1,355

Fastest commutes among counties in Florida: Taylor County (13.8 min), Monroe County (16.1 min), Franklin County (17.1 min).
Slowest: Osceola County (32.4 min), Union County (32.1 min), Washington County (32.1 min).

The average commute time in St. Johns County is 25 minutes, longer than the 24 minutes in Florida.

Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.

Commute and transport details →

Education & Households

St. Johns County has a education index of A, which means it is very educated.

Metric St. Johns County Florida Avg U.S. Average
Bachelor's degree or higher 44.2% 30.1% 31.6%
Average household size 2.66 2.51 2.54

Highest education index among counties in Florida: St. Johns County (0.4), Leon County (0.4), Alachua County (0.4).
Lowest: Hamilton County (0.1), Hendry County (0.1), Hardee County (0.1).

Health

St. Johns County has a health index of B, which means it is quite healthy.

Metric St. Johns County Florida Avg U.S. Average
Life expectancy (years) 80.2 77.2 78.3
Self-rated poor health 13.4% 19.5% 16.3%
Smokers 15.1% 21.3% 19.0%

Highest health index among counties in Florida: St. Johns County (0.8), Seminole County (0.8), Alachua County (0.8).
Lowest: Glades County (0.8), Putnam County (0.8), Hendry County (0.8).

Full health data →

Frequently Asked Questions

Common questions about St. Johns County, Florida.

What is the population of St. Johns County, Florida?

The population of St. Johns County, Florida is 300,327, compared to the U.S. total of 334,821,731.

What is the population density of St. Johns County, Florida?

The population density of St. Johns County, Florida is 365.8 people per square mile, compared to the U.S. average of 85.8 people per square mile.

What is the median household income in St. Johns County, Florida?

The median household income in St. Johns County, Florida is $105,817, compared to the U.S. median of $78,145.

What is the median home price in St. Johns County, Florida?

The median home price in St. Johns County, Florida is $385,257, compared to the U.S. median of $242,182.

What is the unemployment rate in St. Johns County, Florida?

The unemployment rate in St. Johns County, Florida is 3.9%, compared to the U.S. average of 5.2%.