New Vienna, IA has a population of 381 and is the 21,137th largest city in the United States. The population density is 817 per sq mi which is 1396% higher than the Iowa average and 802% higher than the national average. The median age in New Vienna is 48 which is approximately 26% higher than the Iowa average of 38. In New Vienna, 67% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 94% of New Vienna residents were born in Iowa, 4% were born out of state, 0% were born outside of the United States and 2% were foreign born.
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The population density in New Vienna is 1396% higher than Iowa.
The median age in New Vienna is 26% higher than Iowa.
In New Vienna 95.80% of the population is White.
In New Vienna 0.00% of the population is Black or African American.