Seminole County Flag

Seminole County

State:
Florida
County Seat:
Sanford

Seminole County's estimated 2025 population is 495,567 with a growth rate of 1.15% in the past year according to the most recent United States census data. Seminole County is the 13th largest county in Florida. The 2010 population was 423,072 and has seen a growth of 17.14% since that time.

495,567
Total Population
1,604
Population Density (mi²)
13
Population Rank (State)
5.6K 1.15%
Annual Population Growth

Seminole County Population

Demographics

Economics and Income Statistics