Seminole County, Florida

Seminole County, Florida, had an estimated population of 491,884 in 2025 across 801 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Florida's counties and nationally.

Population: 491,884; 2025 estimate
Area: 801 km²
Density: 614; per km²
Median income: $85,761; household, ACS 2024
Median age: 39.8; years, ACS 2024

How Florida's counties spread

Amenities & Infrastructure

Indicator	Value	In Florida	In the US
Households with Broadband2024	94.7%	2 / 67	89 / 3,144
Median Gross Rent2024	$1,783	8 / 67	102 / 3,137
Median Home Value2024	$386,900	12 / 67	326 / 3,139
Owner-Occupied Homes2024	66.2%	57 / 67	2,580 / 3,144
Vacant Homes2024	6.2%	66 / 67	2,791 / 3,144

Demography

Indicator	Value	In Florida	In the US
Aged 65 and Over2024	16.6%	54 / 67	2,507 / 3,144
American Indian & Alaska Native2024	0.1%	25 / 67	1,566 / 3,144
Asian, non-Hispanic2024	5.3%	2 / 67	167 / 3,144
Average Household Size2024people	2.6	19 / 67	831 / 3,144
Black, non-Hispanic2024	11.1%	32 / 67	704 / 3,144
Foreign-Born2024	15.1%	12 / 67	188 / 3,144
Hispanic or Latino2024	23.9%	16 / 67	355 / 3,144
Median Age2024years	39.8	53 / 67	2,083 / 3,144
Sex Ratio2024per 1,000 males	1,054	12 / 67	452 / 3,144
Speak a Language Other Than English2024	23.1%	14 / 67	316 / 3,144
Under 182024	20.5%	26 / 67	2,096 / 3,144
Veterans2024	6.6%	54 / 67	1,961 / 3,144
White, non-Hispanic2024	54.7%	51 / 67	2,584 / 3,144

Economy

Indicator	Value	In Florida	In the US
Below Poverty Line2024	9.0%	61 / 67	2,562 / 3,144
Households on SNAP2024	9.2%	51 / 67	2,089 / 3,144
Income Inequality2024index	0.443	47 / 67	1,688 / 3,144
Median Household Income2024	$85,761	7 / 67	406 / 3,143
Per Capita Income2024	$45,458	13 / 67	385 / 3,144
Unemployment Rate2024	4.2%	52 / 67	1,696 / 3,144

Education

Indicator	Value	In Florida	In the US
Bachelor's Degree or Higher2024	42.7%	4 / 67	203 / 3,144
High School or Higher2024	94.0%	4 / 67	489 / 3,144

Health Coverage

Indicator	Value	In Florida	In the US
No Health Insurance2024	9.5%	55 / 67	1,153 / 3,144
With a Disability2024	11.9%	60 / 67	2,689 / 3,144

Population & Density

Indicator	Value	In Florida	In the US
Population2025	491,884	13 / 67	151 / 3,144
Population Density2025/km²	614	4 / 67	101 / 3,144

Work & Commute

Indicator	Value	In Florida	In the US
Commute by Public Transit2024	0.5%	19 / 67	782 / 3,144
Households with No Vehicle2024	3.9%	51 / 67	2,372 / 3,144
Mean Commute Time2024minutes	26.8	46 / 67	981 / 3,143
Work from Home2024	21.6%	2 / 67	95 / 3,144

Other counties of Florida

Compare Seminole County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.