Osterdock, IA has a population of 54 and is the 28,084th largest city in the United States. The population density is 118 per sq mi which is 115% higher than the Iowa average and 30% higher than the national average. The median age in Osterdock is 41 which is approximately 7% higher than the Iowa average of 38. In Osterdock, 81% of the population over 15 years of age are married, 94% speak English and 6% speak Spanish. 83% of Osterdock residents were born in Iowa, 17% 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 Osterdock is 115% higher than Iowa.
The median age in Osterdock is 7% higher than Iowa.
In Osterdock 100.00% of the population is White.
In Osterdock 0.00% of the population is Black or African American.