Allerton is a city located in Wayne County Iowa. With a 2020 population of 513, it is the 436th largest city in Iowa and the 13201st largest city in the United States . Allerton is currently growing at a rate of 0.59% annually and its population has increased by 2.40% since the most recent census, which recorded a population of 501 in 2010. Allerton reached it's highest population of in . Spanning over 1 miles, Allerton has a population density of 451 people per square mile.
The average household income in Allerton is $41,987 with a poverty rate of 31.79%. The median rental costs in recent years comes to $464 per month, and the median house value is $45,800. The median age in Allerton is 33.7 years, 35.8 years for males, and 33.4 years for females.