Newhall, IA has a population of 985 and is the 15,263rd largest city in the United States. The population density is 3,117 per sq mi which is 5606% higher than the Iowa average and 3341% higher than the national average. The median age in Newhall is 40 which is approximately 5% higher than the Iowa average of 38. In Newhall, 67% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 86% of Newhall residents were born in Iowa, 14% were born out of state, 0% were born outside of the United States and 0% were foreign born.