Nassau County's estimated 2026 population is 109,266 with a growth rate of 2.23% in the past year according to the most recent United States census data. Nassau County is the 37th largest county in Florida. The 2010 population was 73,526 and has seen a growth of 48.61% since that time.
Data after 2023 is projected based on recent change
Overall: 46.5 years
Female: 48.1 years
Male: 44.9 years
There are 78,936 adults, (23,395 of whom are seniors) in Nassau County.
Female: 49,473 (50.6%)
Male: 48,386 (49.4%)
The racial composition of Nassau County includes 85.05% White, 5.57% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 83,225 | 85.05% |
| Two or more races | 5,674 | 5.8% |
| Black or African American | 5,447 | 5.57% |
| Other race | 1,919 | 1.96% |
| Asian | 1,315 | 1.34% |
| Native American | 256 | 0.26% |
| Native Hawaiian or Pacific Islander | 23 | 0.02% |
Nassau County's average per capita income is $50,791. Household income levels show a median of $89,804. The poverty rate stands at 9.68%.
Name | Median | Mean |
|---|---|---|
| Married Families | $117,817 | $145,069 |
| Families | $105,139 | $129,206 |
| Households | $89,804 | $116,081 |
| Non Families | $48,142 | $77,820 |
Average Income
Median Household Income
Poverty Rate