Ottosen, IA has a population of 63 and is the 27,842nd largest city in the United States. The population density is 111 per sq mi which is 103% higher than the Iowa average and 23% higher than the national average. The median age in Ottosen is 54 which is approximately 42% higher than the Iowa average of 38. In Ottosen, 64% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 62% of Ottosen residents were born in Iowa, 38% were born out of state, 0% were born outside of the United States and 0% were foreign born.
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The population density in Ottosen is 103% higher than Iowa.
The median age in Ottosen is 42% higher than Iowa.
In Ottosen 84.13% of the population is White.
In Ottosen 0.00% of the population is Black or African American.