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The total population of Owasa is estimated to be 22 with 8 males (36.36%) and 14 females (63.64%). There are 6 more females than males in Owasa.
In 2022, the population of Owasa was 29, a 3.33% decrease year-by-year from 2021. Previously, in 2021, Owasa's population was 30, a decline of 0.00% compared to a population of 30 in 2020.
The median age in Owasa, IA is 70.5, as per 2021 ACS 5-Year Estimates. Of the total population, 0.00% were under the age of 15, 0.00% aged 15 to 29, 47.06% aged 30 to 64, 41.18% aged 65 to 84, and 11.76% were 85 years of age and older.
Racial distribution of Owasa population: 100% are White.