Overview
          195
                  Total Population
                26.1
                  Median age
                42.05%
                  Female population %
                137.8:100
                  Gender ratio (M:F)
                15-19 years
                  Largest age group
                51.2
                  Total dependency ratio
                American Indian and Alaska Native
                  Largest racial group
                19
                  Hispanic population
                Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Ogema's population is young compared to the rest of the country:
- The median age in Ogema is 26.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
 - Ogema's population under 18 was 36.92%, compared to the 22.51% nationwide.
 - Ogema's elderly or the senior population (over 65 age) was 8.21% as compared to 16.04% nationwide.
 - Of the total population in Ogema, 25.64% were under the age of 15, 31.79% aged 15 to 29, 34.36% aged 30 to 64, 8.21% aged 65 to 84, and 0.00% were 85 years of age and older.
 
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Gender
There are 31 less females than males in Ogema:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 42.05% females and 57.95% males in Ogema, MN.
 - The Ogema, MN gender ratio is 137.8:100 i.e. 137.8 men to 100 women (1.378).
 - For male population, the largest age group is 15-19 years with a population of 20.
 - For the female population, the largest age group is 25-29 years with a population of 12.
 
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Race / Ethnicity
Ogema's population is moderately diverse:
- Racial distribution of Ogema population: 28.72% are White, 55.90% are American Indian and Alaska Native, 0.51% are Asian and 14.87% are multiracial.
 - Ogema's racial breakdown clearly shows that there is an absolute majority of American Indian and Alaska Native population in the city.
 - By ethnicity, 19 is Hispanic or Latino (of any race), and 176 (90.26% of the total population) is Non-Hispanic.
 - The largest racial group in Ogema is American Indian and Alaska Native with a population of 109 (55.90% of the total population).
 
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Year by year
Ogema's population has already reached its peak and is showing a trend of decline:
- The peak population was 207 in the year 2020
 - From 2000 to 2010, Ogema's population increased by 43 (30.50%), as compared to the national growth of 9.63%.
 - From 2010 to 2020, Ogema's population increased by 23 (12.50%), 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, Ogema's population was lowest in year 2009 at 140.
 
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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)