Bronson, IA has a population of 310 and is the 22,325th largest city in the United States. The population density is 1,014 per sq mi which is 1756% higher than the Iowa average and 1019% higher than the national average. The median age in Bronson is 35 which is approximately 7% lower than the Iowa average of 38. In Bronson, 65% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 79% of Bronson residents were born in Iowa, 21% were born out of state, 0% were born outside of the United States and 0% were foreign born.