Overview
1,288
Total Population
47.2
Median age
51.71%
Female population %
93.4:100
Gender ratio (M:F)
70-74 years
Largest age group
83.5
Total dependency ratio
White
Largest racial group
29
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Marissa's population is old compared to the rest of the country:
- The median age in Marissa is 47.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Marissa's population under 18 was 21.43%, compared to the 22.51% nationwide.
- Marissa's elderly or the senior population (over 65 age) was 26.40% as compared to 16.04% nationwide.
- Of the total population in Marissa, 19.10% were under the age of 15, 11.96% aged 15 to 29, 42.55% aged 30 to 64, 24.38% aged 65 to 84, and 2.02% were 85 years of age and older.

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Gender
There are 44 more females than males in Marissa:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.71% females and 48.29% males in Marissa, IL.
- The Marissa, IL gender ratio is 93.4:100 i.e. 93.4 men to 100 women (0.934).
- For male population, the largest age group is 45-49 years with a population of 66.
- For the female population, the largest age group is 70-74 years with a population of 70.

Read more about Marissa, IL population by gender ➔
Race / Ethnicity
Marissa's population is moderately diverse:
- Racial distribution of Marissa population: 98.45% are White and 1.55% are multiracial.
- Marissa's racial breakdown clearly shows that there is an absolute majority of White population in the village.
- By ethnicity, 29 is Hispanic or Latino (of any race), and 1,259 (97.75% of the total population) is Non-Hispanic.
- The largest racial group in Marissa is White with a population of 1,268 (98.45% of the total population).

Read more about Marissa, IL population by race ➔
Year by year
Marissa's population has already reached its peak and is showing a trend of decline:
- The peak population was 2,164 in the year 2000
- From 2000 to 2010, Marissa's population decreased by 187 (8.64%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Marissa's population decreased by 147 (7.44%), 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, Marissa's population was lowest in year 2022 at 1,781.

Read more about Marissa, IL population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)