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
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.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 474,912 | 481,470 | +1.4% |
| Median household income | $83,030 | $85,761 | +3.3% |
| Median home value | $357,300 | $386,900 | +8.3% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Seminole County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Sanford | 63,730 | $66,891 | 11.9% | $309,300 |
| Altamonte Springs | 46,116 | $64,070 | 11.9% | $293,000 |
| Oviedo | 40,599 | $117,070 | 5.3% | $454,000 |
| Winter Springs | 38,951 | $92,574 | 6.8% | $378,700 |
| Casselberry | 30,135 | $62,447 | 12.2% | $299,200 |
| Wekiwa Springs | 23,915 | $116,596 | 5.3% | $453,600 |
| Lake Mary | 16,860 | $109,173 | 3.5% | $494,900 |
| Longwood | 16,337 | $78,548 | 9.9% | $354,300 |
| Forest City | 15,312 | $85,606 | 9.5% | $369,900 |
| Fern Park | 7,981 | $59,428 | 12.4% | $346,900 |
| Heathrow | 6,769 | $126,250 | 3.5% | $598,600 |
| Geneva | 3,441 | $132,981 | 0.6% | $520,400 |
| Chuluota | 2,187 | $97,688 | 9.3% | $362,100 |
| Midway (Seminole County) | 1,407 | $60,714 | 17.2% | $236,700 |
| Black Hammock | 1,290 | $51,563 | 14.6% | $297,400 |
Explore Florida Rankings
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.