Diaperville, WI has a population of 44 and is the 28,298th largest city in the United States. The population density is 107 per sq mi which is 23% higher than the Wisconsin average and 19% higher than the national average. The median age in Diaperville is 48 which is approximately 21% higher than the Wisconsin average of 39. In Diaperville, 67% of the population over 15 years of age are married, 93% speak English and 0% speak Spanish. 95% of Diaperville residents were born in Wisconsin, 5% were born out of state, 0% were born outside of the United States and 0% were foreign born.