Seminole County, Florida Demographics

Population trends, housing costs, income, commuting, and health, all on one page.

Seminole County, FL Population Density Map and Area Scores

Area Score

Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.

  • B
    Health Around average
    Among the top 3 healthiest counties in Florida
  • B
    Income Around average
    Among the top 5 wealthiest counties in Florida
  • B
    Education Around average
    Among the top 5 best educated counties in Florida

Source: Map AI Methodology

Seminole County
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Population density, people per sq mi

Population: density and quick facts

Metric Seminole County Florida Avg U.S. Average
Population 481,459 22,388,905 337,468,954
Population density (per sq mi) 1395.2 313.4 86.4
Population growth (%/yr) 1.04% 1.47% 0.59%
Median age 38.7 40.2 37.3
Households 187,216 8,743,019 130,235,071

Population in Seminole County grew by 17.7% from 2009 to 2024, reaching 481,459 in 2024.

Population Growth 2009–2024

Year Seminole County

Race & Ethnicity

Group Share

Age & Sex

The largest generation in Seminole County is Millennials, aged 29–44, at 23.4% of residents. That is 2.8 points above Florida as a whole.

Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Florida, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.

Male and female share

Women are 51.3% of the people living in Seminole County and men 48.7%.

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481,459

100% of everyone living in Seminole County

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Economy

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

Metric Seminole County Florida Avg U.S. Average
Median household income $86,462 $74,580 $80,455
Income growth (%/yr) 4.94% 5.42% 4.80%
Unemployment rate 4.1% 4.8% 5.2%

The median household income in Seminole County is about 16% higher than in Florida.

Detailed wealth and income breakdown →

Housing

Metric Seminole County Florida Avg U.S. Average
Median home price $348,990 $311,338 $248,835
Median rent $1,783 $1,668 $1,407
Homeownership rate 66.2% 67.6% 65.2%

The median home price in Seminole County is about 16.3 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,783 per month for that long.

Full housing market analysis →

Commute Time & Mobility

Commuters in Seminole County spend about 47 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 197 hours, about 8.2 full days, spent commuting.

Metric Seminole County Florida Avg U.S. Average
One-way commute (min) 23.7 24.0 22.4
Round-trip commute (min) 47.3 47.9 44.8
Yearly time spent (hours) 197 200 187
Estimated yearly cost $6,113 $6,189 $5,790
Work from home 21.6% 15.7% 15.0%
Highway traffic (vehicles/day) 19,146 14,318 8,813
Local road traffic (vehicles/day) 4,229 3,068 1,355

Fastest commutes among counties in Florida: Taylor County (13.8 min), Monroe County (16.1 min), Franklin County (16.6 min).
Slowest: Washington County (32.8 min), Osceola County (32.3 min), Liberty County (32.1 min).

The average commute time in Seminole County is about the same as 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

Seminole County has a education index of B, which means it is quite educated.

Metric Seminole County Florida Avg U.S. Average
Bachelor's degree or higher 39.0% 30.1% 31.6%
Average household size 2.55 2.50 2.53

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

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

Metric Seminole County Florida Avg U.S. Average
Life expectancy (years) 79.8 77.2 78.3
Self-rated poor health 13.4% 19.5% 16.3%
Smokers 15.9% 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 →

Seminole County, FL Compared With Nearby Counties

Seminole County, FL is the 4th largest of the 6 counties compared here, 481,459 residents against a local median of 579,612. Seminole County, FL's median home price, at $348,990, runs 31% above the $267,348 typical of the counties around it.

Median household income tells the same story from another angle: $86,462 against a local median of $73,226, 18% above it. The one measure here that carries a verdict is median household income, and at 18% above the local median it puts Seminole County, FL at the better end of the local range. The counties themselves spread $180,134 on median home price, so Seminole County, FL sits at one end of an already wide local range rather than apart from it. Seminole County, FL has the 2nd highest median home price of the 6 areas compared here.

Area Population Median household income Median home price Commute
Seminole County, FL 481,459 $86,462 #1/6 $348,990 #2/6 23.7 min #3/6
Orange County, FL 1,470,874 $80,245 $314,989 26.4 min
Volusia County, FL 579,612 $70,504 $267,348 22.6 min
Lake County, FL 412,915 $73,226 $205,133 28.1 min
Osceola County, FL 427,393 $72,294 $385,267 32.3 min
Brevard County, FL 628,683 $79,568 $253,794 22.5 min

Frequently Asked Questions

Common questions about Seminole County, Florida.

How many people live in Seminole County, Florida?

About 481,459 people live in Seminole County, Florida, in 187,216 households of 2.5 people on average. The median age is 38.7, close to the U.S. median of 37.3.

Is Seminole County, Florida mostly urban or rural?

Averaged over its land area, Seminole County, Florida has 1,395 people per square mile, a density typical of urban and suburban areas. That is about 16 times the U.S. average of 86.

Is Seminole County, Florida an affordable place to live?

The median home costs 4.0 times the median household income ($348,990 against $86,462), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,783 a month takes about 25% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.

Is it hard to find a job in Seminole County, Florida?

Unemployment in Seminole County, Florida is only 4.1%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.

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