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Welcome to Seminole County ...

Time Zone: Seminole County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Sanford is the Seat for Seminole County.

Seminole County was founded April 25, 1913 and was created by taking area from Orange County.

From the Census Estimates for 2019, <1> Seminole had a population of 471,826 people. This is an increase of 11.53% since the last Census (which gave a population of 423,051 people in 2010).

At the time of the 2010 Census, Seminole represented 2.25% of the total population of Florida.

Below are some of the communities located in Seminole County:

  • Altamonte Springs
    (4 miles [6.4 km] to the southwest)
  • Casselberry
    (2 miles [3.2 km] to the south)
  • Lake Mary
    (3 miles [4.8 km] to the north)
    • Jump to our Gazetteer entry for Lake Mary
    • Lake Mary is located in Seminole County (FL)
    • Population from the 2020 Census: 17,486 people
    • Jump to TripAdvisor's Tourism page for Lake Mary <2>
  • Longwood
    (Less than 2 miles to the west)
    • Jump to our Gazetteer entry for Longwood
    • Longwood is located in Seminole County (FL)
    • Population from the 2020 Census: 16,876 people
    • Jump to TripAdvisor's Tourism page for Longwood <2>
  • Oviedo
    (6 miles [9.7 km] to the southeast)
    • Jump to our Gazetteer entry for Oviedo
    • Oviedo is located in Seminole County (FL)
    • Population from the 2020 Census: 41,652 people
    • Jump to TripAdvisor's Tourism page for Oviedo <2>
  • Sanford
    (6 miles [9.7 km] to the north)
    • Jump to our Gazetteer entry for Sanford
    • Sanford is located in Seminole County (FL)
    • Population from the 2020 Census: 61,508 people
    • Jump to TripAdvisor's Tourism page for Sanford <2>
  • Winter Springs
    (Less than 2 miles to the southeast)

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
 

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This page was last modified/updated: 18 Mar 2025