Marietta Flag

Marietta

County:
Fulton County
County Seat:
No
Area (mi²):
0.273
State:
Illinois

Marietta is a village located in Fulton County, Illinois. Marietta has a 2025 population of 96. Marietta is currently declining at a rate of -1.03% annually and its population has decreased by -6.8% since the most recent census, which recorded a population of 103 in 2020.

The average household income in Marietta is $66,668 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.

96
Total Population
351
Density (mi²)
-1 -1.03%
Growth

Marietta Population

Marietta Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Marietta includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White110100%

Marietta Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Families$65,313$76,488
Married Families$58,125-
Households$57,188$66,668
Non Families$36,667$43,521

$37,031

Average Income

$57,188

Median Household Income

13.64%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)