Sidney, IA has a population of 995 and is the 15,203rd largest city in the United States. The population density is 721 per sq mi which is 1220% higher than the Iowa average and 696% higher than the national average. The median age in Sidney is 41 which is approximately 8% higher than the Iowa average of 38. In Sidney, 56% of the population over 15 years of age are married, 90% speak English and 9% speak Spanish. 41% of Sidney residents were born in Iowa, 52% were born out of state, 1% were born outside of the United States and 6% were foreign born.
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The population density in Sidney is 1220% higher than Iowa.
The median age in Sidney is 8% higher than Iowa.
In Sidney 89.55% of the population is White.
In Sidney 0.60% of the population is Black or African American.