County · Florida
Seminole County, Florida
Seminole County, Florida. Seminole County had 491,884 residents in 2025 by the Census Bureau's estimate, up 4.5% since 2020, slower than Florida (+8.9%). It holds 16 places (7 cities, villages and boroughs and 9 census-designated) and 89 census tracts. GEOID 12117.
Seminole County is one of the 4 counties of the Orlando-Kissimmee-Sanford, FL metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
491,884
Census Bureau estimate (no margin published)
2020 Census count: 470,856 · ACS 2020-2024: 481,470
Median household income
$85,761
±$2,077 (90% margin)
Florida: $74,568
Median home value
$386,900
±$3,956 (90% margin)
Florida: $359,000
Median gross rent
$1,783
±$15 (90% margin)
Florida: $1,669
How many people live in Seminole County, and is it growing?
The 2020 Census counted 470,856 residents in Seminole County. The Census Bureau estimates 491,884 for July 1, 2025, up 4.5% since 2020, slower than Florida (+8.9%). The 2020-2024 American Community Survey puts the population at 481,470 over 309 square miles of land.
| Measure | Seminole County | Florida | Change since 2015-2019 |
|---|---|---|---|
| Total population | 481,470 | 22,416,077 | +20,068 |
| Households | 187,248±1,188 | 8,752,810 | +13,580 |
| Average household size | 2.55±0.02 | 2.51 | −0.08 |
| Housing units | 199,565±103 | 10,256,470 | +9,409 |
Seminole County's population since 2000
From 365,196 in 2000 to 491,884 in 2025: up 34.7%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Seminole County?
Seminole County holds 16 places: 7 cities, villages and boroughs (incorporated places) and 9 census-designated places. The largest is Sanford with 67,483 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Sanford | 61,051 | $66,891 |
|---|---|---|
| Altamonte Springs | 46,231 | $64,070 |
| Oviedo | 40,059 | $117,070 |
| Winter Springs | 38,342 | $92,574 |
| Casselberry | 28,794 | $62,447 |
| Wekiwa Springs | 23,428 | $116,596 |
| Lake Mary | 16,798 | $109,173 |
| Longwood | 15,087 | $78,548 |
| Forest City | 14,623 | $85,606 |
| Fern Park | 8,205 | $59,428 |
| Heathrow | 6,806 | $126,250 |
| Goldenrod | 13,431 | $67,563 |
| GenevaGEOID 1225750 | 2,913 | $132,981 |
| Chuluota | 2,524 | $97,688 |
| Midway (Seminole County)GEOID 1245475 | 1,524 | $60,714 |
| Black HammockGEOID 1206670 | 1,195 | $51,563 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Seminole County?
The median resident of Seminole County is 39.8 years old; 20.5% are under 18 and 16.6% are 65 or older. The largest group is non-Hispanic white residents at 54.7%, then Hispanic or Latino residents (of any race) at 23.9%. 15.1% of residents were born outside the United States.
| Measure | Seminole County | Florida | Change since 2015-2019 |
|---|---|---|---|
| Median age | 39.8±0.3 | 42.6 | +0.6 |
| Under 18 years | 20.5%±0.1 pts | 19.5% | – |
| 65 years and over | 16.6%±0.1 pts | 21.3% | – |
| Hispanic or Latino (any race) | 23.9% | 27.4% | +2.5 pts |
| White alone, not Hispanic | 54.7%±0.2 pts | 50.4% | −5.6 pts |
| Black or African American alone, not Hispanic | 11.1%±0.3 pts | 14.6% | no clear change |
| Asian alone, not Hispanic | 5.3%±0.1 pts | 2.9% | +0.8 pts |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Two or more races, not Hispanic | 4.2%±0.4 pts | 3.8% | – |
| Some other race alone, not Hispanic | 0.6%±0.1 pts | 0.7% | – |
| Born outside the United States | 15.1%±0.6 pts | 21.9% | +1.0 pts |
| Speak a language other than English at home (age 5+) | 23.1%±0.6 pts | 30.6% | – |
| Civilian veterans (age 18+) | 6.6%±0.3 pts | 7.4% | – |
| With a disability | 11.9%±0.4 pts | 13.7% | – |
| No health insurance coverage | 9.5%±0.6 pts | 11.5% | no clear change |
| High school graduate or higher (age 25+) | 94.0%±0.5 pts | 89.9% | – |
| Bachelor's degree or higher (age 25+) | 42.7%±1.0 pts | 34.1% | +3.1 pts |
| Graduate or professional degree (age 25+) | 14.7%±0.6 pts | 12.9% | – |
| Moved from another state in the past year | 2.3%±0.3 pts | 2.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Seminole County earn?
Half of Seminole County's 187,248 households earn less than $85,761 a year (±$2,077), against $74,568 in Florida. In 2015-2019 the median was $82,171 in 2024 dollars, so it rose by $3,590 after inflation. 9.0% of residents live below the poverty line.
| Measure | Seminole County | Florida | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $85,761±$2,077 | $74,568 | +$3,590 |
| Mean household income | $114,520±$1,940 | $105,967 | – |
| Per capita income | $45,458±$763 | $42,609 | +$2,168 |
| People below the poverty line | 9.0%±0.6 pts | 12.6% | −1.6 pts |
| Children under 18 below the poverty line | 9.4%±1.3 pts | 16.5% | −4.3 pts |
| Households receiving SNAP | 9.2%±0.6 pts | 12.6% | – |
| Households with a broadband subscription | 94.7%±0.5 pts | 91.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Seminole County?
Owners occupy 66.2% of Seminole County's occupied homes and renters 33.8%. The median owner-occupied home is valued at $386,900 by its owner (±$3,956). The median renter pays $1,783 a month including utilities, and 48.7% of renters pay 35% or more of their income on rent.
| Measure | Seminole County | Florida | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $386,900±$3,956 | $359,000 | +$88,334 |
| Median gross rent | $1,783±$15 | $1,669 | +$254 |
| Renters paying 35% or more of income on rent | 48.7%±2.1 pts | 50.2% | +7.3 pts |
| Median monthly owner costs, with a mortgage | $2,020±$42 | $1,959 | – |
| Owner-occupied homes | 66.2%±0.9 pts | 67.6% | +1.6 pts |
| Housing units | 199,565±103 | 10,256,470 | +9,409 |
| Homeowner vacancy rate | 0.9%±0.3 pts | 1.4% | – |
| Rental vacancy rate | 7.2%±1.1 pts | 7.6% | – |
| Single-family detached homes | 61.4%±0.9 pts | 54.7% | – |
| Mobile homes | 2.1%±0.3 pts | 8.0% | – |
| Built 2020 or later | 2.2%±0.3 pts | 3.2% | – |
| Built 1939 or earlier | 1.2%±0.2 pts | 1.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Seminole County building?
Builders took permits for 1,997 new housing units across Seminole County in 2025 (893 single-family), 4.1 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Seminole County get to work?
67.7% of Seminole County's workers drive alone and 21.6% work from home. The average trip to work takes 26.8 minutes. The unemployment rate in 2020-2024 averaged 4.2%.
| Measure | Seminole County | Florida | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 67.0%±0.6 pts | 59.8% | – |
| Unemployment rate | 4.2%±0.4 pts | 4.8% | −0.8 pts |
| Drove alone to work | 67.7%±1.1 pts | 70.2% | – |
| Carpooled | 7.4%±0.6 pts | 9.2% | – |
| Public transportation | 0.5%±0.1 pts | 1.2% | – |
| Walked | 0.9%±0.2 pts | 1.4% | – |
| Worked from home | 21.6%±0.9 pts | 15.7% | +13.9 pts |
| Mean travel time to work | 26.8 min±0.5 | 28.0 min | −0.7 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Seminole County's census tracts?
Seminole County is divided into 89 census tracts. Among those with a reliable estimate, median household income runs from $35,797 (Tract 201.01) to $250,000 or more (Tract 207.03).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Seminole County compare with Florida's other counties?
| Measure | Rank |
|---|---|
| Population | 13th of 67 |
| Growth 2020-2025 | 50th of 67 |
| Residents per square mile | 4th of 67 |
| Median household income | 7th of 67 |
| Median home value | 12th of 67 |
| Median gross rent | 8th of 67 |
| Poverty rate | 61st of 67 |
| Bachelor's degree or higher | 4th of 67 |
| Median age | 53rd of 67 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Seminole County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.