Overview
          2,724
                  Total Population
                31.0
                  Median age
                46.88%
                  Female population %
                113.3:100
                  Gender ratio (M:F)
                0-4 years
                  Largest age group
                80.4
                  Total dependency ratio
                White
                  Largest racial group
                41
                  Hispanic population
                Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
St. Henry's population is young compared to the rest of the country:
- The median age in St. Henry is 31.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
 - St. Henry's population under 18 was 35.39%, compared to the 22.51% nationwide.
 - St. Henry's elderly or the senior population (over 65 age) was 13.73% as compared to 16.04% nationwide.
 - Of the total population in St. Henry, 30.84% were under the age of 15, 17.95% aged 15 to 29, 37.48% aged 30 to 64, 11.89% aged 65 to 84, and 1.84% were 85 years of age and older.
 
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Gender
There are 170 less females than males in St. Henry:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 46.88% females and 53.12% males in St. Henry, OH.
 - The St. Henry, OH gender ratio is 113.3:100 i.e. 113.3 men to 100 women (1.133).
 - For male population, the largest age group is 0-4 years with a population of 235.
 - For the female population, the largest age group is 0-4 years with a population of 158.
 
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Race / Ethnicity
St. Henry's population is non diverse:
- Racial distribution of St. Henry population: 99.27% are White and 0.73% are multiracial.
 - St. Henry's racial breakdown clearly shows that there is an absolute majority of White population in the village.
 - By ethnicity, 41 is Hispanic or Latino (of any race), and 2,683 (98.49% of the total population) is Non-Hispanic.
 - The largest racial group in St. Henry is White with a population of 2,704 (99.27% of the total population).
 
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Year by year
St. Henry's population has not reached its peak yet and is showing a trend of further growth:
- The peak population was 2,614 in the year 2022
 - From 2000 to 2010, St. Henry's population increased by 163 (7.14%), as compared to the national growth of 9.63%.
 - From 2010 to 2020, St. Henry's population increased by 157 (6.42%), 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, St. Henry's population was lowest in year 2000 at 2,283.
 
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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)