Overview
          55
                  Total Population
                27.8
                  Median age
                38.18%
                  Female population %
                161.9:100
                  Gender ratio (M:F)
                0-4 years
                  Largest age group
                175.0
                  Total dependency ratio
                White
                  Largest racial group
                Zero
                  Hispanic population
                Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Plato's population is young compared to the rest of the country:
- The median age in Plato is 27.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
 - Plato's population under 18 was 38.18%, compared to the 22.51% nationwide.
 - Plato's elderly or the senior population (over 65 age) was 27.27% as compared to 16.04% nationwide.
 - Of the total population in Plato, 36.36% were under the age of 15, 27.27% aged 15 to 29, 9.09% aged 30 to 64, 12.73% aged 65 to 84, and 14.55% were 85 years of age and older.
 
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Gender
There are 13 less females than males in Plato:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 38.18% females and 61.82% males in Plato, MO.
 - The Plato, MO gender ratio is 161.9:100 i.e. 161.9 men to 100 women (1.619).
 - For male population, the largest age group is 0-4 years with a population of 10.
 - For the female population, the largest age group is 25-29 years with a population of 5.
 
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Race / Ethnicity
Plato's population is not that diverse:
- Racial distribution of Plato population: 96.36% are White and 3.64% are multiracial.
 - Plato'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 55 (100% of the total population) is Non-Hispanic.
 - The largest racial group in Plato is White with a population of 53 (96.36% of the total population).
 
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Year by year
Plato's population has already reached its peak and is showing a trend of decline:
- The peak population was 104 in the year 2010
 - From 2000 to 2010, Plato's population increased by 36 (52.94%), as compared to the national growth of 9.63%.
 - From 2010 to 2020, Plato's population decreased by 18 (17.31%), 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, Plato's population was lowest in year 2003 at 67.
 
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References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
 - U.S. Census Bureau Population Estimates Population Estimates Program (PEP)