Marietta, IL Population

Overview

82

Total Population

40.5

Median age

43.90%

Female population %

127.8:100

Gender ratio (M:F)

20-24 years

Largest age group

49.1

Total dependency ratio

White

Largest racial group

Zero

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Marietta's population is old compared to the rest of the country:

The median age in Marietta is 40.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Marietta's population under 18 was 17.07%, compared to the 22.51% nationwide.
Marietta's elderly or the senior population (over 65 age) was 21.95% as compared to 16.04% nationwide.
Of the total population in Marietta, 10.98% were under the age of 15, 24.39% aged 15 to 29, 42.68% aged 30 to 64, 20.73% aged 65 to 84, and 1.22% were 85 years of age and older.

There are 10 less females than males in Marietta:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 43.90% females and 56.10% males in Marietta, IL.
The Marietta, IL gender ratio is 127.8:100 i.e. 127.8 men to 100 women (1.278).
For male population, the largest age group is 15-19 years with a population of 5.
For the female population, the largest age group is 20-24 years with a population of 7.

Marietta's population is non diverse:

Racial distribution of Marietta population: 100% are White.
Marietta's racial breakdown clearly shows that there is an absolute majority of White population in the village.
By ethnicity, Zero is Hispanic or Latino (of any race), and 82 (100% of the total population) is Non-Hispanic.
The largest racial group in Marietta is White with a population of 82 (100% of the total population).

Marietta's population has already reached its peak and is showing a trend of decline:

The peak population was 149 in the year 2000
From 2000 to 2010, Marietta's population decreased by 36 (24.16%), as compared to the national growth of 9.63%.
From 2010 to 2020, Marietta's population decreased by 10 (8.85%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Marietta's population was lowest in year 2022 at 101.