Marietta, IL
Population 110 · Illinois
About Marietta, IL
Marietta is a small community located in Illinois with a population of 110 residents according to the latest US Census Bureau American Community Survey data. The median household income is $57,188 per year, which is 24% below the national median of $75,149. The median age of 39.5 years is close to the US median age of 38.9 years.
Housing Market Overview
The housing market in Marietta features a median home value of $81,700, which is 67% below the national median of $244,900. This makes Marietta one of the more affordable markets in the country, potentially attractive for first-time homebuyers. Median monthly rent is $0, 100% below the national average of $1,163/month. Of the 51 total housing units, 98% are owner-occupied (46 units) and 2% are renter-occupied (1 units). The high homeownership rate suggests a stable, established residential community.
Economy & Employment
The local economy in Marietta shows an unemployment rate of 5.5%, which is near the national rate of 3.7%. The poverty rate stands at 13.6%, above the national average of 12.4%. Workers in Marietta have an average one-way commute time of 24.4 minutes.
Education & Demographics
20.3% of Marietta residents aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The lower educational attainment rate may reflect the area's industry mix, with more employment in trades, manufacturing, or agricultural sectors. The community's demographic composition includes 0.0% White, 0.0% Hispanic or Latino, 0.0% Black or African American, and 0.0% Asian residents, with 0.0% of the population being foreign-born.
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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Demographics
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Economy & Education
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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 US Census Bureau American Community Survey estimates. This makes it a small community in Illinois.
What is the median household income in Marietta?
The median household income in Marietta, IL is $57,188 per year, which is 24% below the national median of $75,149.
What is the median home value in Marietta?
The median home value in Marietta, IL is $81,700, which is 67% below the national median of $244,900. The majority of housing units are owner-occupied.
What is the average rent in Marietta?
The median monthly rent in Marietta, IL is $0, which is 100% below the national average of $1,163/month.
What is the unemployment rate in Marietta?
The unemployment rate in Marietta, IL is 5.5%, compared to the national average of 3.7%. Job seekers may want to research the dominant industries in the area.
Is Marietta, IL a good place to live?
Marietta offers a moderate cost of living, affordable housing, and growing employment opportunities. With a population of 110 and a median age of 39.5, the city appeals to a broad range of residents.
How educated is Marietta, IL?
20.3% of residents in Marietta aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The educational profile reflects the area's industry mix and employment landscape.
What is the cost of living in Marietta?
Key cost-of-living indicators for Marietta, IL: median home value is $81,700 (67% below national), median rent is $0/month, and median household income is $57,188. The home-value-to-income ratio is 1.4x, indicating relatively affordable housing relative to local incomes.
What is the poverty rate in Marietta?
The poverty rate in Marietta, IL is 13.6%, compared to the national average of 12.4%. Residents and prospective movers should be aware of the economic challenges facing parts of this community.
How diverse is Marietta, IL?
Marietta's population is 0.0% White, 0.0% Hispanic or Latino, 0.0% Black or African American, 0.0% Asian, and 0.0% two or more races. 0.0% of residents are foreign-born.