Marietta is a village located in Fulton County, Illinois. Marietta has a 2025 population of 100 . Marietta is currently growing at a rate of 1.01% annually but its population has decreased by -1.96% since the most recent census, which recorded a population of 102 in 2020.
The median household income in Marietta is $57,188 with a poverty rate of 13.64%. The median age in Marietta is 39.5 years: 41.5 years for males, and 37.5 years for females. For every 100 females there are 96.4 males.
Data after 2023 is projected based on recent change
The racial composition of Marietta includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 110 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Marietta's average per capita income is $37,031. Household income levels show a median of $57,188. The poverty rate stands at 13.64%.
Name | Median | Mean |
|---|---|---|
| Families | $65,313 | $76,488 |
| Married Families | $58,125 | - |
| Households | $57,188 | $66,668 |
| Non Families | $36,667 | $43,521 |
Average Income
Median Household Income
Poverty Rate