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CITY

Marietta

Illinois · 97 residents (2025 est.) · 0.273 sq mi
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The short version

Marietta has notably lower household income than the US average, with a median household income of $52,500. Population has declined 12% since 2000. 11% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has roughly tripled since 2000, reaching $65,000. At a median age of 34.7, residents skew younger than the country as a whole. Households here earn about 37% less than the Illinois median.

At a glance
Lower income
below the US median
US median: $82,259
Younger
median age 34.7
US median: 38.9
Less educated
11% hold a bachelor's degree
US average: 36%
Less affordable
home values up 54%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
132
−12%since 2000
from 150 in 2000
1990 – 2025
Population density
484 / sq mi
−12%since 2000
from 549 / sq mi in 2000
US average: 281
Median age
34.7
+9%since 2000
from 31.7 in 2000
US average: 38.9

PEP 2025 EST:97 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
671081501912321990201020202024Marietta
2024132
1990201020202024
Section 02

Income & economy

Median household income
$52,500
−28%inflation adjusted, since 2000
from $40,000 in 2000
US average: $82,259
1990 – 2024
Per capita income
$24,892
+59%since 2000
from $15,662 in 2000
US average: $44,673
Households earning $100K+
34.0%
+18.9 ptssince 2009
from 15.1% in 2009
US average: 53.3%
Poverty rate
29.5%
+26.8 ptssince 2000
from 2.7% in 2000
US average: 12.5%
Income inequality (Gini)
0.394
−6%since 2010
from 0.417 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade25.9%
US avg: 9.9%
Wholesale trade12.1%
US avg: 6.9%
Information10.3%
US avg: 10.8%
Finance & insurance6.9%
US avg: 5.9%
Professional, scientific, technical6.9%
US avg: 5.1%
Transportation & warehousing5.2%
US avg: 2.2%
Other services1.7%
US avg: 6.7%
Public administration1.7%
US avg: 4.8%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
Education & health services0%
US avg: 0.9%
Arts, entertainment, food0%
US avg: 1.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$65,000
+54%inflation adjusted, since 2000
from $23,200 in 2000
US average: $376,019
1990 – 2024
Owner-occupied
100.0%
+16.1 ptssince 2000
from 83.9% in 2000
0.0% rent
Vacancy rate
7.4%
+7.4 ptssince 2009
from 0.0% in 2009
US average: 10.0%
Owner cost-burdened
20.0%
−34.9 ptssince 2009
from 54.9% in 2009
US average: 22.9%
Afford Score
1.2
+113%since 2000
from 0.6 in 2000
1990 – 2024
Gentrification Score
42
RELATED:See current rent listings in Marietta on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.7%(148)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%
Diversity Score0%(0)
2024
White, non-Hispanic100%(132)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%(0)
Diversity Score0%(0)
Diversity Score
0
from 0 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
11.1%
+6.8 ptssince 2000
from 4.3% in 2000
US average: 35.6%
High school or higher
87.7%
+8.3 ptssince 2000
from 79.3% in 2000
US average: 89.6%
Graduate degree
0.0%
Unchangedsince 2000
from 0.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
24.4 min
−13%since 2000
from 28.2 min in 2000
US average: 26.5
Drive alone to work
96.6%
+9.1 ptssince 2009
from 87.5% in 2009
US average: 68.9%
Carpooled to work
0.0%
−12.5 ptssince 2009
from 12.5% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
1.7%
+1.7 ptssince 2009
from 0.0% in 2009
US average: 15.0%
Walked to work
1.7%
+1.7 ptssince 2009
from 0.0% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
6.0%
−7.2 ptssince 2009
from 13.2% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
15.9%
+5.8 ptssince 2011
from 10.1% in 2011
US average: 5.2%
Labor force participation
66.3%
+23.2 ptssince 2011
from 43.2% in 2011
US average: 63.5%
Self-employed
5.2%
+5.2 ptssince 2009
from 0.0% in 2009
US average: 13.1%
Management & professional
20.7%
−14.3 ptssince 2009
from 35.0% in 2009
US average: 42.5%
Section 08

People & community

Male
50.8%
+2.6 ptssince 2009
from 48.1% in 2009
Female
49.2%
−2.6 ptssince 2009
from 51.9% in 2009
Foreign born
0.0%
−7.4 ptssince 2009
from 7.4% in 2009
US average: 14.1%
Veterans
0.0%
−45.6 ptssince 2009
from 45.6% in 2009
US average: 6.2%
With a disability
9.8%
+3.9 ptssince 2012
from 5.9% in 2012
US average: 13.3%
Uninsured
0.8%
−85.9 ptssince 2013
from 86.7% in 2013
US average: 8.4%
Broadband at home
84.0%
+6.4 ptssince 2017
from 77.6% in 2017
US average: 91.0%
English only at home
97.5%
+0.5 ptssince 2016
from 96.9% in 2016
US average: 77.7%
Spanish at home
2.5%
−0.5 ptssince 2016
from 3.1% in 2016
US average: 13.6%
Drill deeper

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Compare Marietta to nearby cities

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MARIETTA VS
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MARIETTA VS
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MARIETTA VS
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Population8,599+8765%
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Frequently asked

How many people live in Marietta, Illinois?

Marietta, Illinois has about 132 residents according to the 2024 American Community Survey.

What is the median household income in Marietta, Illinois?

The typical household in Marietta, Illinois earns about $52,500 a year. Half of households make more than that, and half make less.

Is Marietta, Illinois expensive?

In Marietta, Illinois, the median home is worth about $65,000.

How educated are people in Marietta, Illinois?

About 11.1% of adults age 25 and over in Marietta, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Marietta, Illinois?

About 29.5% of people in Marietta, Illinois live below the federal poverty line.

Has Marietta, Illinois grown since 1990?

Yes, Marietta, Illinois has shrunk since 1990. The population has lost about 16 residents, a change of about -11 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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