Postville is a city located in Allamakee County Iowa. With a 2020 population of 1,993, it is the 160th largest city in Iowa and the 7648th largest city in the United States . Postville is currently declining at a rate of -1.48% annually and its population has decreased by -10.51% since the most recent census, which recorded a population of 2,227 in 2010. Postville reached it's highest population of in . Spanning over 2 miles, Postville has a population density of 944 people per square mile.
The average household income in Postville is $61,916 with a poverty rate of 30.28%. The median rental costs in recent years comes to $722 per month, and the median house value is $84,200. The median age in Postville is 30.7 years, 31.4 years for males, and 29.1 years for females.