Fenton is a city located in St. Louis County, Missouri. Fenton has a 2025 population of 4,062 . Fenton is currently declining at a rate of -0.27% annually and its population has decreased by -1.26% since the most recent census, which recorded a population of 4,114 in 2020.
The average household income in Fenton is $122,464 with a poverty rate of 3.66%. The median age in Fenton is 47 years: 42.9 years for males, and 50.1 years for females. For every 100 females there are 104.2 males.
Data after 2023 is projected based on recent change
The racial composition of Fenton includes 86.4% White, and smaller percentages for Asian, Black or African American, other race and multiracial populations.
White (86.4%)
Two or more races (10.06%)
Asian (2.37%)
Black or African American (0.98%)
Other race (0.2%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,531 | 86.4% |
| Two or more races | 411 | 10.06% |
| Asian | 97 | 2.37% |
| Black or African American | 40 | 0.98% |
| Other race | 8 | 0.2% |
Married
Widowed
Divorced
Separated
Never Married
Fenton's average per capita income is $58,581. Household income levels show a median of $97,991. The poverty rate stands at 3.66%.
Name | Median | Mean |
|---|---|---|
| Married Families | $137,500 | - |
| Families | $119,038 | $140,504 |
| Households | $97,991 | $122,464 |
| Non Families | $35,461 | $50,845 |
Average Income
Median Household Income
Poverty Rate