Port St. John is a CDP located in Brevard County, Florida. Port St. John has a 2025 population of 27,391 . Port St. John is currently growing at a rate of 3.82% annually and its population has increased by 14.42% since the most recent census, which recorded a population of 23,940 in 2020.
The average household income in Port St. John is $99,533 with a poverty rate of 10.05%. The median age in Port St. John is 45.1 years: 45.1 years for males, and 45.1 years for females. For every 100 females there are 97.9 males.
Data after 2023 is projected based on recent change
The racial composition of Port St. John includes 84.62% White, 4.83% Black or African American, and smaller percentages for other race, Asian, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
White (84.62%)
Two or more races (7.68%)
Black or African American (4.83%)
Other race (1.28%)
Asian (1.04%)
Native Hawaiian or Pacific Islander (0.35%)
Native American (0.22%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 20,830 | 84.62% |
| Two or more races | 1,890 | 7.68% |
| Black or African American | 1,189 | 4.83% |
| Other race | 315 | 1.28% |
| Asian | 255 | 1.04% |
| Native Hawaiian or Pacific Islander | 85 | 0.35% |
| Native American | 53 | 0.22% |
Married
Widowed
Divorced
Separated
Never Married
Port St. John's average per capita income is $46,594. Household income levels show a median of $84,214. The poverty rate stands at 10.05%.
Name | Median | Mean |
|---|---|---|
| Married Families | $100,556 | - |
| Families | $92,250 | $101,617 |
| Households | $84,214 | $99,533 |
| Non Families | $48,333 | $83,131 |
Average Income
Median Household Income
Poverty Rate