Seminole County Flag

Seminole County

State:
Florida
County Seat:
Sanford

Seminole County's estimated 2026 population is 494,104 with a growth rate of 0.45% in the past year according to the most recent United States census data. Seminole County is the 14th largest county in Florida. The 2010 population was 423,072 and has seen a growth of 16.79% since that time.

494,104
Total Population
1,599
Population Density (mi²)
14
Population Rank (State)
2.2K 0.45%
Annual Population Growth

Seminole County Population

Demographics

Economics and Income Statistics