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.
Data after 2023 is projected based on recent change
Overall: 39.8 years
Female: 40.9 years
Male: 38.5 years
There are 382,555 adults, (80,052 of whom are seniors) in Seminole County.
Female: 247,071 (51.3%)
Male: 234,399 (48.7%)
The racial composition of Seminole County includes 59.16% White, 11.77% Black or African American, 5.8% other race, 5.42% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 284,854 | 59.16% |
| Two or more races | 84,756 | 17.6% |
| Black or African American | 56,660 | 11.77% |
| Other race | 27,924 | 5.8% |
| Asian | 26,087 | 5.42% |
| Native American | 934 | 0.19% |
| Native Hawaiian or Pacific Islander | 255 | 0.05% |
Seminole County's average per capita income is $52,848. Household income levels show a median of $85,761. The poverty rate stands at 9.03%.
Name | Median | Mean |
|---|---|---|
| Married Families | $119,963 | $152,472 |
| Families | $104,387 | $133,709 |
| Households | $85,761 | $114,520 |
| Non Families | $54,754 | $72,097 |
Average Income
Median Household Income
Poverty Rate