Allenton, WI has a population of 1,063 and is the 14,774th largest city in the United States. The population density is 735 per sq mi which is 741% higher than the Wisconsin average and 712% higher than the national average. The median age in Allenton is 34 which is approximately 13% lower than the Wisconsin average of 39. In Allenton, 56% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 93% of Allenton residents were born in Wisconsin, 7% were born out of state, 0% were born outside of the United States and 0% were foreign born.