St. Marks is a city located in Wakulla County, Florida. St. Marks has a 2025 population of 320 . St. Marks is currently growing at a rate of 2.56% annually and its population has increased by 14.7% since the most recent census, which recorded a population of 279 in 2020.
The average household income in St. Marks is $54,723 with a poverty rate of 12.45%. The median age in St. Marks is 60.8 years: 59 years for males, and 60.8 years for females. For every 100 females there are 93.6 males.
Data after 2023 is projected based on recent change
The racial composition of St. Marks includes 97.8% White, and smaller percentages for Two or more races and multiracial populations.
White (97.8%)
Two or more races (2.2%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 267 | 97.8% |
| Two or more races | 6 | 2.2% |
Married
Widowed
Divorced
Separated
Never Married
St. Marks' average per capita income is $34,167. Household income levels show a median of $57,083. The poverty rate stands at 12.45%.
Name | Median | Mean |
|---|---|---|
| Married Families | $73,323 | - |
| Households | $57,083 | $54,723 |
| Non Families | $52,083 | $45,312 |
| Families | - | $55,815 |
Average Income
Median Household Income
Poverty Rate