Renwick, IA has a population of 267 and is the 23,064th largest city in the United States. The population density is 266 per sq mi which is 387% higher than the Iowa average and 194% higher than the national average. The median age in Renwick is 47 which is approximately 23% higher than the Iowa average of 38. In Renwick, 71% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 84% of Renwick residents were born in Iowa, 13% were born out of state, 3% were born outside of the United States and 0% were foreign born.
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The population density in Renwick is 387% higher than Iowa.
The median age in Renwick is 23% higher than Iowa.
In Renwick 94.01% of the population is White.
In Renwick 1.50% of the population is Black or African American.