Overview
          312
                  Total Population
                18.6
                  Median age
                41.67%
                  Female population %
                14:100
                  Gender ratio (M:F)
                5-9 years
                  Largest age group
                79.3
                  Total dependency ratio
                American Indian and Alaska Native
                  Largest racial group
                Zero
                  Hispanic population
                Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
St. Michael's population is young compared to the rest of the country:
- The median age in St. Michael is 18.6, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
 - St. Michael's population under 18 was 48.40%, compared to the 22.51% nationwide.
 - St. Michael's elderly or the senior population (over 65 age) was 4.17% as compared to 16.04% nationwide.
 - Of the total population in St. Michael, 40.06% were under the age of 15, 27.24% aged 15 to 29, 28.53% aged 30 to 64, 4.17% aged 65 to 84, and 0.00% were 85 years of age and older.
 
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Gender
There are 52 less females than males in St. Michael:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 41.67% females and 58.33% males in St. Michael, AK.
 - The St. Michael, AK gender ratio is 14:100 i.e. 14 men to 100 women (1.400).
 - For male population, the largest age group is 5-9 years with a population of 29.
 - For the female population, the largest age group is 10-14 years with a population of 25.
 
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Race / Ethnicity
St. Michael's population is non diverse:
- Racial distribution of St. Michael population: 100% are American Indian and Alaska Native.
 - St. Michael's racial breakdown clearly shows that there is an absolute majority of American Indian and Alaska Native population in the city.
 - By ethnicity, Zero is Hispanic or Latino (of any race), and 312 (100% of the total population) is Non-Hispanic.
 - The largest racial group in St. Michael is American Indian and Alaska Native with a population of 312 (100% of the total population).
 
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Year by year
St. Michael's population has already reached its peak and is showing a trend of decline:
- The peak population was 454 in the year 2020
 - From 2000 to 2010, St. Michael's population increased by 36 (9.81%), as compared to the national growth of 9.63%.
 - From 2010 to 2020, St. Michael's population increased by 51 (12.66%), 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. Michael's population was lowest in year 2000 at 367.
 
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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)