Seminole County, Florida Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 13th-largest in Florida
The population of Seminole County, Florida is 474,912 as of the 2023 American Community Survey, making it the 13th-largest county in Florida. The median household income is $83,030, the median home value is $357,300, and the median age is 39.8.
The population of Seminole County has grown 16.9% since 2010 (423,072 → 494,605), a +1.12% annualized rate.
474,912
Population
+1.12%
Annual growth
1535
People / sq mi
$83,030
Median Income
$357,300
Median Home Value
Seminole County covers 309 sq mi of land at 1535.1 people per square mile.
About Seminole County, FL
Seminole County is a county in Florida with a population of 474,912. It ranks #13 among counties in Florida by population. The median age is 39.8, in line with the national median. The population is 48.7% male and 51.3% female.
The median household income in Seminole County is $83,030, above the US median of $74,580. 6.3% of residents live below the federal poverty level. Home values sit at a median of $357,300, with monthly rent averaging $1,686. The homeownership rate of 65.8% is close to the national rate of 64.8%.
Educational attainment in Seminole County reflects 42.4% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 19.2% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 27.2 minutes each way.
Seminole County Population History (2010-2024)
The county of Seminole County had a population of 423,072 in 2010 and 494,605 in 2024, a 16.9% growth over 14 years. The peak was 494,605 in 2024. Average annual growth rate: 1.12%.
494,605
Population (2024)
423,072
Population (2010)
494,605
Peak (2024)
1.12%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 423,072 |
| 2011 | 426,382 |
| 2012 | 430,626 |
| 2013 | 435,640 |
| 2014 | 441,583 |
| 2015 | 448,535 |
| 2016 | 456,266 |
| 2017 | 463,052 |
| 2018 | 468,195 |
| 2019 | 471,791 |
| 2020 | 471,472 |
| 2021 | 470,935 |
| 2022 | 481,084 |
| 2023 | 489,254 |
| 2024 | 494,605 |
Race & Ethnicity
| White | 62.7% |
| Black or African American | 11.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Age & Sex
39.8
Median Age
51.3%
Female
48.7%
Male
16.3%
Age 65+
Age Distribution
Children (under 15): 16.8% · Seniors (65+): 16.3%
Income & Poverty
| Median household income | $83,030+$11,319 vs state |
| Mean household income | $111,625 |
| Per-capita income | $44,349 |
| Poverty rate | 6.3%-2.6% vs state |
| Unemployment rate | 2.7% |
| Employment-to-population | 64.1% |
Top Industries by Employment
The largest employment sector in Seminole County is professional & business services, accounting for 21.3% of workers.
How residents commute
0.5%
Drive alone
1.0%
Carpool
69.8%
Public transit
19.2%
Work from home
27.2 min
Avg commute
Housing
$357,300+$32,300 vs state
Median home value
$1,686
Median rent
65.8%
Homeownership rate
197,167
Total housing units
94.0%
Occupied
6.0%
Vacant
34.2%
Renter-occupied
Social & access
90.4%
With health insurance
97.7%
With broadband internet
42.6%
Foreign-born
6.9%
Veterans (18+)
11.6%
With a disability
76.7%
Speak language other than English at home
Education
93.9%
High School+
42.4%
Bachelor's+
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County rankings
Common questions about Seminole County, FL
Frequently Asked Questions
Seminole County, Florida has a population of 474,912 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 13th-largest county in Florida. Population density is 1535 people per square mile.
The population of Seminole County has grown 16.9% since 2010 (423,072 → 494,605), a +1.12% annualized rate.
The median household income in Seminole County, Florida is $83,030, with mean (average) household income of $111,625 and per-capita income of $44,349. 6.3% of residents live below the federal poverty level.
In Seminole County, the largest racial and ethnic groups are White (62.7%), Black or African American (11.9%), Hispanic or Latino (1.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Seminole County, Florida is 39.8 years. Residents are 51.3% female and 48.7% male.
The median home value in Seminole County is $357,300 and median monthly rent is $1,686. 65.8% of occupied housing units are owner-occupied. The county has 197,167 total housing units, 6.0% of which are vacant.
The largest employment sector in Seminole County, Florida is professional, scientific, and management services, employing 21.3% of workers. The unemployment rate is 2.7%.
Jacksonville is among the largest cities associated with Seminole County, Florida, with a population of 961,739.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.