Marietta, IL
Population 110 · Illinois
About Marietta, IL
Marietta is a small community in Illinois with a population of 110 residents. The median household income is $57,188 per year, which is near the national average. The median age in Marietta is 39.5 years.
Housing in Marietta has a median home value of $81,700 and median monthly rent of $0. Of the 51 total housing units, the majority are owner-occupied, with 46 owner-occupied and 1 renter-occupied units.
The unemployment rate in Marietta is 5.5% and the poverty rate is 13.6%. 20.3% of residents hold a bachelor's degree or higher. The average commute time is 24.4 minutes.
Cost of Living in Marietta, IL
Compared to national averages, Marietta has a median household income of $57,188 (24% below the national median of $75,149). Home values average $81,700, which is 67% below the national median. Monthly rent at $0 is 100% below the US average of $1,163. Within Illinois, Marietta's income is 24% below the state average of $75,072, and home values are 51% below the state median of $165,779.
Why Live in Marietta, IL?
Marietta offers affordable housing with a median home value of $81,700, below the US average of $244,900, and rent that’s lower than the national average at $0/month, and short commute times averaging just 24.4 minutes.
Potential considerations include median household income ($57,188) that falls below the national average. However, Marietta’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Marietta has a population of 110 with a median age of 39.5 years. Compare Marietta with other cities to see how it stacks up, or explore all cities in Illinois.
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Other Cities in Illinois
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Marietta
What is the population of Marietta, IL?
The population of Marietta, IL is 110 according to the latest Census data.
What is the median household income in Marietta?
The median household income in Marietta, IL is $57,188 per year.
What is the median home value in Marietta?
The median home value in Marietta, IL is $81,700.
What is the average rent in Marietta?
The median monthly rent in Marietta, IL is $0.
What is the unemployment rate in Marietta?
The unemployment rate in Marietta, IL is 5.5%.