Skip to main content

Seminole County, Florida Demographics 2026

Seminole County, Florida has a population of 481,470, the 13th most populous county in Florida. The median household income is $85,761 and the median home value is $386,900. The poverty rate is 9.0%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Seminole County Quick Facts

Population 481,470
Median Household Income $85,761
Median Home Value $386,900
Poverty Rate 9.0%
Unemployment Rate 4.2%
Median Age 39.8 years
Homeownership Rate 66.2%
Affordability Ratio 4.5x
Bachelor's Degree+ 42.7%
High School Graduation 94.0%
Cities/Places 15
Population 481,470 13th of 67
Median Income $85,761 15% higher than state
Poverty Rate 9.0%
Unemployment 4.2%

How Seminole County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population474,912481,470+1.4%
Median household income$83,030$85,761+3.3%
Median home value$357,300$386,900+8.3%

Economy & Housing

Household Income Distribution

Under $25K 10.2%
$25K-$50K 16.1%
$50K-$100K 30.8%
$100K+ 42.9%
Detailed income brackets
Under $10K
3.5%
$10K-$15K
1.9%
$15K-$20K
2.1%
$20K-$25K
2.8%
$25K-$30K
2.8%
$30K-$35K
3.5%
$35K-$40K
3.0%
$40K-$45K
3.4%
$45K-$50K
3.3%
$50K-$60K
7.7%
$60K-$75K
10.1%
$75K-$100K
13.0%
$100K-$125K
11.4%
$125K-$150K
8.0%
$150K-$200K
10.2%
$200K+
13.3%

Employment

4.2% Unemployment Rate State: 4.8%|National: 5.2%
67.0% Labor Force Participation

Housing Overview

Owner 66.2%
Renter 33.8%
Affordability Index Moderate
4.5x home value to income ratio
Median gross rent $1,783/mo 24.9% of median household income annually

People & Demographics

Diversity Index

63out of 100
High Diversity

A diverse community with significant representation from multiple racial and ethnic groups.

State average: 65 | National average: 61

Education

Cities & Places in Seminole County

CityPopulationMedian IncomePovertyHome Value
Sanford63,730$66,89111.9%$309,300
Altamonte Springs46,116$64,07011.9%$293,000
Oviedo40,599$117,0705.3%$454,000
Winter Springs38,951$92,5746.8%$378,700
Casselberry30,135$62,44712.2%$299,200
Wekiwa Springs23,915$116,5965.3%$453,600
Lake Mary16,860$109,1733.5%$494,900
Longwood16,337$78,5489.9%$354,300
Forest City15,312$85,6069.5%$369,900
Fern Park7,981$59,42812.4%$346,900
Heathrow6,769$126,2503.5%$598,600
Geneva3,441$132,9810.6%$520,400
Chuluota2,187$97,6889.3%$362,100
Midway (Seminole County)1,407$60,71417.2%$236,700
Black Hammock1,290$51,56314.6%$297,400

Population Overview

Seminole County is located in Florida with a total population of 481,470. It is the 13th most populous county out of 67 in Florida. The county encompasses 15 Census-designated places.

Age Demographics

The median age in Seminole County is 39.8 years. This is 7% lower than the state median of 42.6 years.

Economy, Income & Housing

The median household income in Seminole County is $85,761. This is 15% higher than the state median of $74,568. It is also 6% higher than the national median of $80,734. The poverty rate stands at 9.0%. This is 28% lower than the state poverty rate of 12.6%. The unemployment rate is 4.2%. This is 14% lower than the state rate of 4.8%. The median home value is $386,900. Housing costs are 8% higher than the state median of $359,000. The home-value-to-income ratio is 4.5x. 66.2% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 67.6%.

Race & Ethnicity

The largest racial or ethnic group in Seminole County is White (non-Hispanic), making up 54.7% of the population. Hispanic or Latino residents account for 23.9%. The Asian population is significantly higher than the state average (5.3% vs 2.9%).

Education

42.7% of residents aged 25 and older hold a bachelor's degree or higher. This places Seminole County in the top 10% of all counties in the state for educational attainment. This is 25% higher than the state rate of 34.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.0%.

Data Sources & Methodology

All figures for Seminole County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Florida and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Seminole County, Florida?

Seminole County has a population of 481,470, making it the 13th most populous county in Florida.

What is the median income in Seminole County?

The median household income in Seminole County is $85,761 with a poverty rate of 9.0%.

How many cities are in Seminole County, Florida?

Seminole County contains 15 Census-designated places.