Marietta, IL demographics:
population, income, and more

Total population
132
20.0% year-over-year change
Median household income
$52,500/yr
-8.2% year-over-year change
Housing units
54
5.9% year-over-year change

Marietta population

How many people live in Marietta

Marietta is home to 132 residents, according to the most recent Census data. Gender-wise, 50.8% of Marietta locals are male, and 49.2% are female.

Total population
132
20.0% year-over-year change
Gender ratio
Male
50.8%
67
Female
49.2%
65
Value Percent YoY change
Male 67 50.8% 24.1%
Female 65 49.2% 16.1%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Marietta is 35, with the population distributed as follows: about 21.2% are children under 15, then 17.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 24.2% of the population, while another 24.2% fall into the 45 to 64 bracket. Finally, around 12.9% are 65 or older.

Median age
34.7
Age breakdown
Under 15
21.2%
15 to 24
17.4%
25 to 44
24.2%
45 to 64
24.2%
Over 65
12.9%
Value Percent YoY change
Under 15 28 21.2% 33.3%
15 to 24 23 17.4% 15.0%
25 to 44 32 24.2% 39.1%
45 to 64 32 24.2% 23.1%
Over 65 17 12.9% -15.0%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

Citizenship
U.S.-born citizens
100%
Non-U.S.-born citizens
0%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 132 100% 20.0%
Racial breakdown
White
100%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
0%
Other
0%
Value Percent
White 132 100%

Households in Marietta

A peek inside Marietta households

Marietta has 50 households, with an average of 3 members in each. Of these, 76% are families, while the remaining 24% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
50
6.4% year-over-year change
Average people per household
3
Non-family households
12
Family households
38
Value Percent YoY change
Non-family households 12 24% -14.3%
Family households 38 76% 15.2%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Marietta

The housing landscape of Marietta

Marietta's housing consists of 54 units, with 94.4% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 5.6% of the housing landscape.

Housing units
54
5.9% year-over-year change
Housing types
Value Percent
1 unit, detached 51 94.4%
Mobile home 3 5.6%
Homes built since 2020
0
% year-over-year change

The age of buildings in Marietta

In Marietta, the median construction year is 1967. About 31.5% of homes were built before the 1940s, with another 7.4% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 17 31.5% -10.5%
Built between 1940 and 1949 4 7.4% 0.0%
Built between 1950 and 1959 4 7.4% 0.0%
Built between 1960 and 1969 3 5.6% -66.7%
Built between 1970 and 1979 4 7.4% 0.0%
Built between 1980 and 1989 1 1.8% -50.0%
Built between 1990 and 1999 2 3.7% N/A
Built between 2000 and 2009 13 24.1% 333.3%
Built between 2010 and 2019 6 11.1% 0.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Marietta occupancy rates

Meanwhile, 7.4% of all homes on the local market sit vacant.

Occupied housing units
50
6.4% year-over-year change
Occupancy breakdown
Renter occupied
0
Owner occupied
50
Value Percent YoY
change
Owner occupied 50 100% 8.7%
Unoccupied housing units
7.4%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Marietta housing costs

Median housing costs per month
$767/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.

Education in Marietta

Marietta education at a glance

About 65.3% of the population in Marietta went to high school, while 14.7% pursued college studies. Another 10.5% earned an associate degree and 9.5% hold a bachelor’s.

Education level
Value Percent YoY change
High school diploma 62 65.3% 10.7%
College diploma 14 14.7% 250.0%
Associate degree 10 10.5% 42.9%
Bachelor's degree 9 9.5% -35.7%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Marietta

How much people earn in Marietta

The average annual household income in Marietta was $64,106 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -3.8% change from the previous year. At the same time, the median income stood at $52,500, reflecting a -8.2% shift over the same period.

Average household income in Marietta
$64,106/year
-3.8% year-over-year change
Median household income in Marietta
$52,500/year
-8.2% year-over-year change

Marietta income by age

Those with someone between 45 and 64 in charge, often well established professionally, earn $45,000 overall. Overall, 69.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
45 - 64 $45,000 -26.5%
Over 65 $56,250 0.0%
Above poverty level
89
Below poverty level
39
Value Percent YoY
change
Above poverty level 89 69.5% -2.2%
Below poverty level 39 30.5% 160.0%

Employment in Marietta

Workforce and job types in Marietta

The job market in Marietta is powered by 58 working residents, spread across a range of industries and roles. 60.3% of the working population are employed in professional or administrative positions, while 39.7% are in hands-on or service-based jobs. Also, 5.2% run their own businesses, 75.9% are employed by private companies, and 19% work in the public sector.

Workforce demographics

Working population
58
11.5% year-over-year change
White collar
35
Blue collar
23
Value Percent YoY change
White collar 35 60.3% -5.4%
Blue collar 23 39.7% 53.3%
Employer type
Self employees
5.2%
Private companies
75.9%
Governmental workers
19%
Not for profit companies
0%
Value Percent YoY change
Self employees 3 5.2% -25.0%
Private companies 44 75.9% 33.3%
Governmental workers 11 19% -26.7%
Unemployment rate
15.9%
266.7% year-over-year change

Available workforce

The unemployment rate in Marietta stands at 15.9%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Marietta

How people get around in Marietta

Commuting methods vary: 96.6% of residents travel by personal vehicle and 1.7% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 56 96.6% 9.8%
Walk 1 1.7% N/A
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Marietta by zipcode?

Zipcode Population Number of households Median income Average income
61459 406 135 $52,813 $73,073

Explore more communities

FAQs about Marietta demographics 

What is the total population of Marietta?

Marietta has a total population of 132 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +20.0% compared to a year ago.

What is the gender ratio in Marietta?

The gender ratio in Marietta is as follows:
  • 50.8% males (67 residents)
  • 49.2% females (65 residents)

What is the median age in Marietta?

The median age in Marietta is 34.7.

What is the age distribution of the population in Marietta?

The age distribution in Marietta is as follows:
  • Under 15: 21.2% (28 residents)
  • Ages 15-24: 17.4% (23 residents)
  • Ages 25-44: 24.2% (32 residents)
  • Ages 45-64: 24.2% (32 residents)
  • Over 65: 12.9% (17 residents)

What is the racial and ethnic makeup of Marietta?

The racial and ethnic makeup of Marietta is as follows:
  • White: 100% (132 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 0% (0 residents)
  • Other: 0% (0 residents)

What percentage of the population in Marietta are U.S.-born citizens?

U.S.-born citizens represent 100% of the population in Marietta.

How many housing units are there in Marietta?

There are 54 housing units in Marietta, reflecting a +5.9% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Marietta and what is the average household size?

Marietta has a total of 50 households, with an average of 3 people in each.

What is the median household income in Marietta?

Marietta has a median household income of $52,500, representing a -8.2% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Marietta?

The employment rate is 84.1% in Marietta, with a workforce of 58 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 60.3% (35 residents)
  • Blue-collar workers: 39.7% (23 residents)

Places of employment:
  • Self-employed: 5.2% (3 residents)
  • Private companies: 75.9% (44 residents)
  • Governmental workers: 19% (11 residents)
  • Not-for-profit companies: 0% (0 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025